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-rw-r--r--assert.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/assert.c b/assert.c
new file mode 100644
index 0000000..9b4f0ae
--- /dev/null
+++ b/assert.c
@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include "test.h"
+
+void test_assert(void)
+{
+ int n = 0;
+
+ testing_header("assert.h");
+
+#define NDEBUG
+#include <assert.h>
+ testing_comment("Expression with side-effect should be removed by preprocessor");
+ test_void(assert(n = 1));
+ test_int_equals(n, 0);
+
+#undef NDEBUG
+#include <assert.h>
+ testing_comment("Expression with side-effect should execute");
+ test_void(assert(n = 1));
+ test_int_equals(n, 1);
+
+#define NDEBUG
+#include <assert.h>
+ testing_comment("Successful assertion should be removed by preprocessor");
+ test_void(assert(n == 1));
+
+#undef NDEBUG
+#include <assert.h>
+ testing_comment("Successful assertion should execute");
+ test_void(assert(n == 1));
+
+#define NDEBUG
+#include <assert.h>
+ testing_comment("Unsuccessful assertion should be removed by preprocessor");
+ test_void(assert(n == 0));
+
+#undef NDEBUG
+#include <assert.h>
+ testing_comment("Unsuccessful assertion should execute");
+ test_void(assert(n == 0));
+}