From 3ca9c5d071cb8162c89fd514a6116ee6b450d763 Mon Sep 17 00:00:00 2001
From: "Steve M. Robbins" <smr@sumost.ca>
Date: Wed, 31 Jan 2007 04:27:07 +0000
Subject: Add tests of the precision generated by
 assertion_traits<double>::toString().

---
 examples/cppunittest/TestAssertTest.cpp | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

(limited to 'examples/cppunittest/TestAssertTest.cpp')

diff --git a/examples/cppunittest/TestAssertTest.cpp b/examples/cppunittest/TestAssertTest.cpp
index 8719440..3b621ed 100644
--- a/examples/cppunittest/TestAssertTest.cpp
+++ b/examples/cppunittest/TestAssertTest.cpp
@@ -135,7 +135,6 @@ TestAssertTest::testAssertEqual()
   CPPUNIT_ASSERT_ASSERTION_FAIL( CPPUNIT_ASSERT_EQUAL( 1, 2 ) );
 }
 
-
 void 
 TestAssertTest::testAssertMessageTrue()
 {
@@ -173,6 +172,26 @@ TestAssertTest::testAssertDoubleEquals()
   CPPUNIT_ASSERT_ASSERTION_FAIL( CPPUNIT_ASSERT_DOUBLES_EQUAL( 1.2, 1.1, 0.09 ) );
 }
 
+/*
+ * Test that the error message from CPPUNIT_ASSERT_DOUBLES_EQUAL() 
+ * has more than the default 6 digits of precision.
+ */
+void 
+TestAssertTest::testAssertDoubleEqualsPrecision()
+{
+  std::string failure( "2.000000001" );
+  try
+  {
+    CPPUNIT_ASSERT_DOUBLES_EQUAL( 1.0, 2.000000001, 1 );
+  }
+  catch( CPPUNIT_NS::Exception &e )
+  {
+    checkMessageContains( &e, failure );
+    return;
+  }
+  CPPUNIT_FAIL( "Expected assertion failure" );
+}
+
 void 
 TestAssertTest::testAssertDoubleNonFinite()
 {
-- 
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