Rename the Clay test suite to Clar

Clay is the name of a programming language on the makings, and we want
to avoid confusions. Sorry for the huge diff!

1 files changed, 57 insertions, 0 deletions

diff --git a/tests-clar/clar_libgit2.h b/tests-clar/clar_libgit2.h
new file mode 100644
index 000000000..73ef66844
--- /dev/null
+++ b/tests-clar/clar_libgit2.h
@@ -0,0 +1,57 @@
+#ifndef __CLAR_LIBGIT2__
+#define __CLAR_LIBGIT2__
+
+#include "clar.h"
+#include <git2.h>
+#include "common.h"
+
+/**
+ * Special wrapper for `clar_must_pass` that passes
+ * the last library error as the test failure message.
+ *
+ * Use this wrapper around all `git_` library calls that
+ * return error codes!
+ */
+#define cl_git_pass(expr) do { \
+	git_clearerror(); \
+	if ((expr) != GIT_SUCCESS) \
+		clar__assert(0, __FILE__, __LINE__, "Function call failed: " #expr, git_lasterror(), 1); \
+	} while(0)
+
+/**
+ * Wrapper for `clar_must_fail` -- this one is
+ * just for consistency. Use with `git_` library
+ * calls that are supposed to fail!
+ */
+#define cl_git_fail(expr) cl_must_fail(expr)
+
+/**
+ * Wrapper for string comparison that knows about nulls.
+ */
+#define cl_assert_strequal(a,b) \
+	cl_assert_strequal_internal(a,b,__FILE__,__LINE__,"string mismatch: " #a " != " #b)
+
+GIT_INLINE(void) cl_assert_strequal_internal(
+	const char *a, const char *b, const char *file, int line, const char *err)
+{
+	int match = (a == NULL || b == NULL) ? (a == b) : (strcmp(a, b) == 0);
+	if (!match) {
+		char buf[4096];
+		snprintf(buf, 4096, "'%s' != '%s'", a, b);
+		clar__assert(0, file, line, buf, err, 1);
+	}
+}
+
+/*
+ * Some utility macros for building long strings
+ */
+#define REP4(STR)	 STR STR STR STR
+#define REP15(STR)	 REP4(STR) REP4(STR) REP4(STR) STR STR STR
+#define REP16(STR)	 REP4(REP4(STR))
+#define REP256(STR)  REP16(REP16(STR))
+#define REP1024(STR) REP4(REP256(STR))
+
+/* Write the contents of a buffer to disk */
+void cl_git_mkfile(const char *filename, const char *content);
+
+#endif