objc4-756.2.tar.gz

[apple/objc4.git] / test / bool.c

diff --git a/test/bool.c b/test/bool.c
new file mode 100644 (file)
index 0000000..edfe1fa
--- /dev/null
+++ b/test/bool.c
@@ -0,0 +1,45 @@
+// TEST_CFLAGS -funsigned-char
+// (verify -funsigned-char doesn't change the definition of BOOL)
+
+#include "test.h"
+#include <objc/objc.h>
+
+#if TARGET_OS_OSX
+#   define RealBool 0
+#elif TARGET_OS_IOS
+#   if (__arm__ && !__armv7k__) || __i386__
+#       define RealBool 0
+#   else
+#       define RealBool 1
+#   endif
+#else
+#   define RealBool 1
+#endif
+
+#if __OBJC__ && !defined(__OBJC_BOOL_IS_BOOL)
+#   error no __OBJC_BOOL_IS_BOOL
+#endif
+
+#if RealBool != OBJC_BOOL_IS_BOOL
+#   error wrong OBJC_BOOL_IS_BOOL
+#endif
+
+#if RealBool == OBJC_BOOL_IS_CHAR
+#   error wrong OBJC_BOOL_IS_CHAR
+#endif
+
+int main()
+{
+    const char *expected __unused =
+#if RealBool
+        "B"
+#else
+        "c"
+#endif
+        ;
+#if __OBJC__
+    const char *enc = @encode(BOOL);
+    testassert(0 == strcmp(enc, expected));
+#endif
+    succeed(__FILE__);
+}