Re-enables test.

BUG=None
TEST=Build and run a test.

Review URL: https://codereview.appspot.com/6355058

5 files changed, 1179 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 3e42f9f..3054645 100644
--- a/configure.ac
+++ b/configure.ac
@@ -181,6 +181,15 @@ AC_ARG_ENABLE(db-open-phrase,
 )
 AM_CONDITIONAL(PYZY_BUILD_DB_OPEN_PHRASE, [test x"$enable_db_open_phrase" = x"yes" ])
 
+# --enable-tests option.
+AC_ARG_ENABLE(tests,
+    AS_HELP_STRING([--enable-tests],
+                   [Run tests]),
+    [enable_tests=$enableval],
+    [enable_tests=no]
+)
+AM_CONDITIONAL([ENABLE_TESTS], [test x"$enable_tests" = x"yes"])
+
 # doxygen
 AC_CHECK_PROGS([DOXYGEN], [doxygen])
 if test -z "$DOXYGEN"; then
@@ -201,6 +210,7 @@ m4/Makefile
 pyzy-1.0.pc
 pyzy.spec
 src/Makefile
+src/tests/Makefile
 ])
 
 AC_OUTPUT
@@ -213,5 +223,6 @@ Build options:
     Use opencc                  $enable_opencc
     Build database android      $enable_db_android
     Build database open-phrase  $enable_db_open_phrase
+    Run test cases              $enable_tests
 ])
 
diff --git a/src/Makefile.am b/src/Makefile.am
index fc40a84..6692441 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -33,6 +33,13 @@
 # 	$(NULL)
 # 
 
+if ENABLE_TESTS
+SUBDIRS = \
+	. \
+	tests \
+	$(NULL)
+endif
+
 libpyzy=libpyzy-1.0.la
 
 libpyzyincludedir = $(includedir)/pyzy-@PYZY_API_VERSION@/PyZy
diff --git a/src/tests/.gitignore b/src/tests/.gitignore
new file mode 100644
index 0000000..784eb32
--- /dev/null
+++ b/src/tests/.gitignore
@@ -0,0 +1,2 @@
+*.o
+basic
diff --git a/src/tests/Makefile.am b/src/tests/Makefile.am
new file mode 100644
index 0000000..21f060a
--- /dev/null
+++ b/src/tests/Makefile.am
@@ -0,0 +1,57 @@
+# vim:set noet ts=4:
+#
+# ibus-pinyin - The Chinese PinYin engine for IBus
+#
+# Copyright (c) 2008-2010 Peng Huang <shawn.p.huang@gmail.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+# @MAINTAINER_MODE_FALSE@skip_gentable=test -f $@ ||
+
+# AM_CFLAGS = \
+# 	@IBUS_CFLAGS@ \
+# 	@SQLITE_CFLAGS@ \
+# 	-DPKGDATADIR=\"$(pkgdatadir)\" \
+# 	$(NULL)
+# AM_CXXFLAGS = $(AM_CFLAGS)
+# AM_LDADD = \
+# 	@IBUS_LIBS@ \
+# 	@SQLITE_LIBS@ \
+# 	$(NULL)
+
+DEPS = $(top_builddir)/src/libpyzy-@PYZY_API_VERSION@.la
+
+INCLUDES =                  \
+        -g                  \
+        @GLIB2_CFLAGS@      \
+        @SQLITE_CFLAGS@     \
+        @OPENCC_CFLAGS@     \
+        -I$(top_srcdir)/src \
+        $(NULL)
+
+prog_ldadd =                \
+        @GLIB2_LIBS@        \
+        @SQLITE_LIBS@       \
+        @OPENCC_LIBS@       \
+        $(top_builddir)/src/libpyzy-@PYZY_API_VERSION@.la       \
+        $(NULL)
+
+noinst_PROGRAMS = $(TESTS)
+TESTS =                   \
+        basic             \
+        $(NULL)
+
+basic_SOURCES = basic.cc
+basic_LDADD = $(prog_ldadd)
diff --git a/src/tests/basic.cc b/src/tests/basic.cc
new file mode 100644
index 0000000..b77c8b8
--- /dev/null
+++ b/src/tests/basic.cc
@@ -0,0 +1,1102 @@
+/* vim:set et ts=4 sts=4:
+ *
+ * libpyzy - The Chinese PinYin and Bopomofo conversion library.
+ *
+ * Copyright (c) 2008-2010 Peng Huang <shawn.p.huang@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of the
+ * License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+#include <glib/gstdio.h>
+
+#include <iostream>
+#include <algorithm>
+
+#include "Config.h"
+#include "InputContext.h"
+#include "Util.h"  // for unique_ptr
+#include "Variant.h"
+
+
+using namespace std;
+using namespace PyZy;
+
+class DummyObserver : public PyZy::InputContext::Observer {
+public:
+    void commitText (const InputContext *context, const std::string &commit_text) {
+        m_commited_text = commit_text;
+    }
+    void inputTextChanged (const InputContext *context) {}
+    void preeditTextChanged (const InputContext *context) {}
+    void auxiliaryTextChanged (const InputContext *context) {}
+    void candidatesChanged (const InputContext *context) {}
+    void cursorChanged (const InputContext *context) {}
+
+    string commitedText ()         { return m_commited_text; }
+
+    void clear () {
+        m_commited_text.clear ();
+    }
+private:
+    string           m_commited_text;
+};
+
+void insertKeys (InputContext *context, const string &keys) {
+    for (size_t i = 0; i < keys.size (); ++i) {
+        context->insert (keys[i]);
+    }
+}
+
+#define g_assert_cmpstring(s1, cmp, s2) \
+    g_assert_cmpstr (s1.c_str(), cmp, s2)
+
+int testFullPinyin ()
+{
+    DummyObserver observer;
+    unique_ptr<InputContext> context;
+    context.reset (InputContext::create (InputContext::FULL_PINYIN, &observer));
+
+    {  // Reset
+        context->reset ();
+
+        observer.clear ();
+        insertKeys (context.get (), "nihao");
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (),  ==, "nihao");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "你好");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ni hao|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->reset ();
+        g_assert_cmpint (context->cursor (), ==, 0);
+        g_assert_cmpstring (context->inputText (), ==, "");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+    }
+
+    {  // Commit directly
+        context->reset ();
+
+        observer.clear ();
+        insertKeys (context.get (), "nihao");
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "nihao");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "你好");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ni hao|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->commit (InputContext::TYPE_CONVERTED);
+        g_assert_cmpint (context->cursor (), ==, 0);
+        g_assert_cmpstring (context->inputText (), ==, "");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "nihao");
+    }
+
+    {  // Select candidate
+        context->reset ();
+
+        observer.clear ();
+        insertKeys (context.get (), "nihao");
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "nihao");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "你好");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ni hao|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->selectCandidate (0);
+        g_assert_cmpint (context->cursor (), ==, 0);
+        g_assert_cmpstring (context->inputText (), ==, "");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "你好");
+    }
+
+    {  // Select special phrases.
+        context->reset ();
+
+        observer.clear ();
+        insertKeys (context.get (), "aazhi");
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "AA制");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "aazhi|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->selectCandidate (0);
+        g_assert_cmpint (context->cursor (), ==, 0);
+        g_assert_cmpstring (context->inputText (), ==, "");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "AA制");
+    }
+
+    {  // Select special phrases with some operations.
+        context->reset ();
+
+        observer.clear ();
+        insertKeys (context.get (), "aazhii");
+        g_assert_cmpint (context->cursor (), ==, 6);
+        g_assert_cmpstring (context->inputText (), ==, "aazhii");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "啊啊之");
+        g_assert_cmpstring (context->restText (), ==, "i");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "a a zhi i|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->moveCursorLeft ();
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhii");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "AA制");
+        g_assert_cmpstring (context->restText (), ==, "i");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "aazhi|i");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->selectCandidate (0);
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhii");
+        g_assert_cmpstring (context->selectedText (), ==, "AA制");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "i");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->commit (InputContext::TYPE_CONVERTED);
+        g_assert_cmpint (context->cursor (), ==, 0);
+        g_assert_cmpstring (context->inputText (), ==, "");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "AA制i");
+    }
+
+    { // Many operations
+        context->reset ();
+
+        observer.clear ();
+        insertKeys (context.get (), "aazhi");
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "AA制");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "aazhi|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->focusCandidate (1);
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "啊啊之");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "aazhi|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->selectCandidate (4);
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "阿");
+        g_assert_cmpstring (context->conversionText (), ==, "\xE9\x98\xBF\xE7\xB4\xAB");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "a zhi|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->unselectCandidates ();
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "AA制");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "aazhi|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->moveCursorLeft ();
+        g_assert_cmpint (context->cursor (), ==, 4);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "a a zh|i");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "a a zh|i");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->insert ('i');
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhii");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "AA制");
+        g_assert_cmpstring (context->restText (), ==, "i");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "aazhi|i");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->removeCharBefore ();
+        g_assert_cmpint (context->cursor (), ==, 4);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "a a zh|i");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "a a zh|i");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->moveCursorRight ();
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "AA制");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "aazhi|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->removeWordBefore ();
+        g_assert_cmpint (context->cursor (), ==, 2);
+        g_assert_cmpstring (context->inputText (), ==, "aa");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "啊啊");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "a a|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        insertKeys (context.get (), "nihao");
+        g_assert_cmpint (context->cursor (), ==, 7);
+        g_assert_cmpstring (context->inputText (), ==, "aanihao");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "啊啊你好");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "a a ni hao|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->selectCandidate (1);
+        g_assert_cmpint (context->cursor (), ==, 7);
+        g_assert_cmpstring (context->inputText (), ==, "aanihao");
+        g_assert_cmpstring (context->selectedText (), ==, "啊啊");
+        g_assert_cmpstring (context->conversionText (), ==, "你好");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ni hao|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->commit (InputContext::TYPE_CONVERTED);
+        g_assert_cmpint (context->cursor (), ==, 0);
+        g_assert_cmpstring (context->inputText (), ==, "");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "啊啊nihao");
+    }
+}
+
+void testDoublePinyin()
+{
+    DummyObserver observer;
+    unique_ptr<InputContext> context;
+    context.reset (
+        InputContext::create (InputContext::DOUBLE_PINYIN, &observer));
+
+    {  // Reset
+        context->reset ();
+
+        observer.clear ();
+        insertKeys (context.get (), "nihk");
+        g_assert_cmpint (context->cursor (), ==, 4);
+        g_assert_cmpstring (context->inputText (), ==, "nihk");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "你好");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ni hao|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->reset ();
+        g_assert_cmpint (context->cursor (), ==, 0);
+        g_assert_cmpstring (context->inputText (), ==, "");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+    }
+
+    {  // Commit directly
+        context->reset ();
+
+        observer.clear ();
+        insertKeys (context.get (), "nihk");
+        g_assert_cmpint (context->cursor (), ==, 4);
+        g_assert_cmpstring (context->inputText (), ==, "nihk");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "你好");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ni hao|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->commit (InputContext::TYPE_CONVERTED);
+        g_assert_cmpint (context->cursor (), ==, 0);
+        g_assert_cmpstring (context->inputText (), ==, "");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "nihk");
+    }
+
+    {  // Select candidate
+        context->reset ();
+
+        observer.clear ();
+        insertKeys (context.get (), "nihk");
+        g_assert_cmpint (context->cursor (), ==, 4);
+        g_assert_cmpstring (context->inputText (), ==, "nihk");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "你好");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ni hao|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->selectCandidate (0);
+        g_assert_cmpint (context->cursor (), ==, 0);
+        g_assert_cmpstring (context->inputText (), ==, "");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "你好");
+    }
+
+    {  // Select special phrases.
+        context->reset ();
+
+        observer.clear ();
+        insertKeys (context.get (), "aazhi");
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "AA制");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "aazhi|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->selectCandidate (0);
+        g_assert_cmpint (context->cursor (), ==, 0);
+        g_assert_cmpstring (context->inputText (), ==, "");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "AA制");
+    }
+
+    {  // Select special phrases with some operations.
+        context->reset ();
+
+        observer.clear ();
+        insertKeys (context.get (), "aazhii");
+        g_assert_cmpint (context->cursor (), ==, 6);
+        g_assert_cmpstring (context->inputText (), ==, "aazhii");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "啊展翅");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "a zang chi|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->moveCursorLeft ();
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhii");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "AA制");
+        g_assert_cmpstring (context->restText (), ==, "i");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "aazhi|i");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->selectCandidate (0);
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhii");
+        g_assert_cmpstring (context->selectedText (), ==, "AA制");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "i");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->commit (InputContext::TYPE_CONVERTED);
+        g_assert_cmpint (context->cursor (), ==, 0);
+        g_assert_cmpstring (context->inputText (), ==, "");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "AA制i");
+    }
+
+    { // Many operations
+        context->reset ();
+
+        observer.clear ();
+        insertKeys (context.get (), "aazhi");
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "AA制");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "aazhi|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->focusCandidate (1);
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "啊战场");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "aazhi|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->selectCandidate (3);
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "阿");
+        g_assert_cmpstring (context->conversionText (), ==, "战场");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "zang ch|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->unselectCandidates ();
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "AA制");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "aazhi|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->moveCursorLeft ();
+        g_assert_cmpint (context->cursor (), ==, 4);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "a zang|i");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "a zang|i");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->insert ('i');
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhii");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "AA制");
+        g_assert_cmpstring (context->restText (), ==, "i");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "aazhi|i");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->removeCharBefore ();
+        g_assert_cmpint (context->cursor (), ==, 4);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "a zang|i");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "a zang|i");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->moveCursorRight ();
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "AA制");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "aazhi|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->removeWordBefore ();
+        g_assert_cmpint (context->cursor (), ==, 4);
+        g_assert_cmpstring (context->inputText (), ==, "aazh");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "啊张");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "a zang|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        insertKeys (context.get (), "nihk");
+        g_assert_cmpint (context->cursor (), ==, 8);
+        g_assert_cmpstring (context->inputText (), ==, "aazhnihk");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "啊站立好");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "a zang ni hao|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->selectCandidate (1);
+        g_assert_cmpint (context->cursor (), ==, 8);
+        g_assert_cmpstring (context->inputText (), ==, "aazhnihk");
+        g_assert_cmpstring (context->selectedText (), ==, "啊");
+        g_assert_cmpstring (context->conversionText (), ==, "站立好");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "zang ni hao|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->commit (InputContext::TYPE_CONVERTED);
+        g_assert_cmpint (context->cursor (), ==, 0);
+        g_assert_cmpstring (context->inputText (), ==, "");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "啊zhnihk");
+    }
+}
+
+void testBopomofo ()
+{
+    DummyObserver observer;
+    unique_ptr<InputContext> context;
+    context.reset (InputContext::create (InputContext::BOPOMOFO, &observer));
+    context->setProperty (InputContext::PROPERTY_SPECIAL_PHRASE,
+                          Variant::fromBool (false));
+
+    {  // Reset
+        context->reset ();
+
+        observer.clear ();
+        insertKeys (context.get (), "sucl");
+        g_assert_cmpint (context->cursor (), ==, 4);
+        g_assert_cmpstring (context->inputText (), ==, "sucl");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "你好");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄋㄧ,ㄏㄠ|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->reset ();
+        g_assert_cmpint (context->cursor (), ==, 0);
+        g_assert_cmpstring (context->inputText (), ==, "");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+    }
+
+    {  // Commit directly
+        context->reset ();
+
+        observer.clear ();
+        insertKeys (context.get (), "sucl");
+        g_assert_cmpint (context->cursor (), ==, 4);
+        g_assert_cmpstring (context->inputText (), ==, "sucl");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "你好");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄋㄧ,ㄏㄠ|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->commit (InputContext::TYPE_RAW);
+        g_assert_cmpint (context->cursor (), ==, 0);
+        g_assert_cmpstring (context->inputText (), ==, "");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "sucl");
+    }
+
+    {  // Select candidate
+        context->reset ();
+
+        observer.clear ();
+        insertKeys (context.get (), "sucl");
+        g_assert_cmpint (context->cursor (), ==, 4);
+        g_assert_cmpstring (context->inputText (), ==, "sucl");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "你好");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄋㄧ,ㄏㄠ|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->selectCandidate (0);
+        g_assert_cmpint (context->cursor (), ==, 0);
+        g_assert_cmpstring (context->inputText (), ==, "");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "你好");
+    }
+
+    {  // Don't use special phrases for bopomofo.
+        context->reset ();
+
+        observer.clear ();
+        insertKeys (context.get (), "aazhi");
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "妈妈好吃哦");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄇ,ㄇ,ㄈ,ㄘ,ㄛ|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->selectCandidate (0);
+        g_assert_cmpint (context->cursor (), ==, 0);
+        g_assert_cmpstring (context->inputText (), ==, "");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "妈妈好吃哦");
+    }
+
+    {  // Select special phrases with some operations.
+        context->reset ();
+
+        observer.clear ();
+        insertKeys (context.get (), "aazhii");
+        g_assert_cmpint (context->cursor (), ==, 6);
+        g_assert_cmpstring (context->inputText (), ==, "aazhii");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "妈妈好吃哦哦");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄇ,ㄇ,ㄈ,ㄘ,ㄛ,ㄛ|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->moveCursorLeft ();
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhii");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "ㄇㄇㄈㄘㄛ ㄛ");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄇ,ㄇ,ㄈ,ㄘ,ㄛ|ㄛ");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->selectCandidate (0);
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhii");
+        g_assert_cmpstring (context->selectedText (), ==, "妈妈好吃哦");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "ㄛ");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->commit (InputContext::TYPE_CONVERTED);
+        g_assert_cmpint (context->cursor (), ==, 0);
+        g_assert_cmpstring (context->inputText (), ==, "");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "妈妈好吃哦ㄛ");
+    }
+
+    { // Many operations
+        context->reset ();
+
+        observer.clear ();
+        insertKeys (context.get (), "aazhi");
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "妈妈好吃哦");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄇ,ㄇ,ㄈ,ㄘ,ㄛ|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->focusCandidate (1);
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "妈妈");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄇ,ㄇ,ㄈ,ㄘ,ㄛ|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->selectCandidate (3);
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "慢慢");
+        g_assert_cmpstring (context->conversionText (), ==, "好吃哦");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄈ,ㄘ,ㄛ|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->unselectCandidates ();
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "妈妈好吃哦");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄇ,ㄇ,ㄈ,ㄘ,ㄛ|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->moveCursorLeft ();
+        g_assert_cmpint (context->cursor (), ==, 4);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "ㄇㄇㄈㄘ ㄛ");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄇ,ㄇ,ㄈ,ㄘ|ㄛ");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->insert ('i');
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhii");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "ㄇㄇㄈㄘㄛ ㄛ");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄇ,ㄇ,ㄈ,ㄘ,ㄛ|ㄛ");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->removeCharBefore ();
+        g_assert_cmpint (context->cursor (), ==, 4);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "ㄇㄇㄈㄘ ㄛ");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄇ,ㄇ,ㄈ,ㄘ|ㄛ");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->moveCursorRight ();
+        g_assert_cmpint (context->cursor (), ==, 5);
+        g_assert_cmpstring (context->inputText (), ==, "aazhi");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "妈妈好吃哦");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄇ,ㄇ,ㄈ,ㄘ,ㄛ|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->removeWordBefore ();
+        g_assert_cmpint (context->cursor (), ==, 4);
+        g_assert_cmpstring (context->inputText (), ==, "aazh");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "妈妈好吃");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄇ,ㄇ,ㄈ,ㄘ|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        insertKeys (context.get (), "nihk");
+        g_assert_cmpint (context->cursor (), ==, 8);
+        g_assert_cmpstring (context->inputText (), ==, "aazhnihk");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "妈妈好吃是哦车");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄇ,ㄇ,ㄈ,ㄘ,ㄙ,ㄛ,ㄘㄜ|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->selectCandidate (1);
+        g_assert_cmpint (context->cursor (), ==, 8);
+        g_assert_cmpstring (context->inputText (), ==, "aazhnihk");
+        g_assert_cmpstring (context->selectedText (), ==, "妈妈");
+        g_assert_cmpstring (context->conversionText (), ==, "好吃是哦车");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄈ,ㄘ,ㄙ,ㄛ,ㄘㄜ|");
+        g_assert (context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "");
+
+        observer.clear ();
+        context->commit (InputContext::TYPE_CONVERTED);
+        g_assert_cmpint (context->cursor (), ==, 0);
+        g_assert_cmpstring (context->inputText (), ==, "");
+        g_assert_cmpstring (context->selectedText (), ==, "");
+        g_assert_cmpstring (context->conversionText (), ==, "");
+        g_assert_cmpstring (context->restText (), ==, "");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "");
+        g_assert (!context->hasCandidate (0));
+        g_assert_cmpstring (observer.commitedText (), ==, "妈妈ㄈㄘㄙㄛㄘㄜ");
+    }
+}
+
+void testCommit ()
+{
+    {  // Pinyin commit
+        DummyObserver observer;
+        unique_ptr<InputContext> context;
+        context.reset (
+            InputContext::create (InputContext::FULL_PINYIN, &observer));
+
+        observer.clear ();
+        insertKeys (context.get (), "nihao");
+        g_assert_cmpstring (context->inputText (), ==, "nihao");
+        g_assert_cmpstring (context->conversionText (), ==, "你好");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ni hao|");
+
+        observer.clear ();
+        context->commit (InputContext::TYPE_RAW);
+        g_assert_cmpstring (observer.commitedText (), ==, "nihao");
+
+        context->reset ();
+        observer.clear ();
+        insertKeys (context.get (), "nihao");
+        g_assert_cmpstring (context->inputText (), ==, "nihao");
+        g_assert_cmpstring (context->conversionText (), ==, "你好");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ni hao|");
+
+        observer.clear ();
+        context->commit (InputContext::TYPE_PHONETIC);
+        g_assert_cmpstring (observer.commitedText (), ==, "nihao");
+
+        context->reset ();
+        observer.clear ();
+        insertKeys (context.get (), "nihao");
+        g_assert_cmpstring (context->inputText (), ==, "nihao");
+        g_assert_cmpstring (context->conversionText (), ==, "你好");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ni hao|");
+
+        // To get "你好", we should call selectCandidate().
+        observer.clear ();
+        context->commit (InputContext::TYPE_CONVERTED);
+        g_assert_cmpstring (observer.commitedText (), ==, "nihao");
+    }
+
+    {  // Bopomofo commit
+        DummyObserver observer;
+        unique_ptr<InputContext> context;
+        context.reset (
+            InputContext::create (InputContext::BOPOMOFO, &observer));
+
+        observer.clear ();
+        insertKeys (context.get (), "sucl");
+        g_assert_cmpstring (context->inputText (), ==, "sucl");
+        g_assert_cmpstring (context->conversionText (), ==, "你好");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄋㄧ,ㄏㄠ|");
+
+        observer.clear ();
+        context->commit (InputContext::TYPE_RAW);
+        g_assert_cmpstring (observer.commitedText (), ==, "sucl");
+
+        context->reset ();
+        observer.clear ();
+        insertKeys (context.get (), "sucl");
+        g_assert_cmpstring (context->inputText (), ==, "sucl");
+        g_assert_cmpstring (context->conversionText (), ==, "你好");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄋㄧ,ㄏㄠ|");
+
+        observer.clear ();
+        context->commit (InputContext::TYPE_PHONETIC);
+        g_assert_cmpstring (observer.commitedText (), ==, "ㄋㄧㄏㄠ");
+
+        context->reset ();
+        observer.clear ();
+        insertKeys (context.get (), "sucl");
+        g_assert_cmpstring (context->inputText (), ==, "sucl");
+        g_assert_cmpstring (context->conversionText (), ==, "你好");
+        g_assert_cmpstring (context->auxiliaryText (), ==, "ㄋㄧ,ㄏㄠ|");
+
+        // To get "你好", we should call selectCandidate().
+        observer.clear ();
+        context->commit (InputContext::TYPE_CONVERTED);
+        g_assert_cmpstring (observer.commitedText (), ==, "ㄋㄧㄏㄠ");
+    }
+}
+
+string getTestDir ()
+{
+    const char *kPyZyTestDirName = "__pyzy_test_dir__";
+
+    gchar *path = g_build_filename (g_get_tmp_dir(), kPyZyTestDirName, NULL);
+    const string result = path;
+    g_free (path);
+    return result;
+}
+
+bool removeDirectory (const string &path) {
+    GDir *dir = g_dir_open (path.c_str (), 0, NULL);
+    if (dir == NULL) {
+        return false;
+    }
+
+    const gchar *entry_name = NULL;
+    while ((entry_name = g_dir_read_name (dir)) != NULL) {
+        gchar *entry_path = g_build_filename (path.c_str (), entry_name, NULL);
+
+        if (g_file_test (entry_path, G_FILE_TEST_IS_DIR)) {
+            removeDirectory (entry_path);
+        } else {
+            g_unlink (entry_path);
+        }
+
+        g_free (entry_path);
+    }
+
+    g_dir_close (dir);
+    int ret = g_rmdir (path.c_str ());
+
+    return ret == 0;
+}
+
+void setUp ()
+{
+    const string test_dir = getTestDir ();
+    InputContext::init (test_dir, test_dir);
+}
+
+void tearDown ()
+{
+    InputContext::finalize ();
+    removeDirectory (getTestDir ());
+}
+
+int main (int argc, char **argv)
+{
+    setUp();
+    testFullPinyin();
+    tearDown();
+
+    setUp();
+    testDoublePinyin();
+    tearDown();
+
+    setUp();
+    testBopomofo();
+    tearDown();
+
+    setUp();
+    testCommit();
+    tearDown();
+
+    return 0;
+}