objc4-437.tar.gz

[apple/objc4.git] / test / protocol_copyPropertyList.m

diff --git a/test/protocol_copyPropertyList.m b/test/protocol_copyPropertyList.m
new file mode 100644 (file)
index 0000000..af03d9a
--- /dev/null
+++ b/test/protocol_copyPropertyList.m
@@ -0,0 +1,105 @@
+#include "test.h"
+#include <string.h>
+#include <malloc/malloc.h>
+#include <objc/objc-runtime.h>
+
+@protocol SuperProps
+@property int prop1;
+@property int prop2;
+@end
+
+@protocol SubProps <SuperProps>
+@property int prop3;
+@property int prop4;
+@end
+
+
+@protocol FourProps
+@property int prop1;
+@property int prop2;
+@property int prop3;
+@property int prop4;
+@end
+
+@protocol NoProps @end
+
+static int isNamed(objc_property_t p, const char *name)
+{
+    return (0 == strcmp(name, property_getName(p)));
+}
+
+int main()
+{
+    objc_property_t *props;
+    unsigned int count;
+    Protocol *proto;
+
+    proto = @protocol(SubProps);
+    testassert(proto);
+
+    count = 100;
+    props = protocol_copyPropertyList(proto, &count);
+    testassert(props);
+    testassert(count == 2);
+    testassert(isNamed(props[0], "prop4"));
+    testassert(isNamed(props[1], "prop3"));
+    // props[] should be null-terminated
+    testassert(props[2] == NULL);
+    free(props);
+
+    proto = @protocol(SuperProps);
+    testassert(proto);
+
+    count = 100;
+    props = protocol_copyPropertyList(proto, &count);
+    testassert(props);
+    testassert(count == 2);
+    testassert(isNamed(props[0], "prop2"));
+    testassert(isNamed(props[1], "prop1"));
+    // props[] should be null-terminated
+    testassert(props[2] == NULL);
+    free(props);
+
+    // Check null-termination - this property list block would be 16 bytes
+    // if it weren't for the terminator
+    proto = @protocol(FourProps);
+    testassert(proto);
+
+    count = 100;
+    props = protocol_copyPropertyList(proto, &count);
+    testassert(props);
+    testassert(count == 4);
+    testassert(malloc_size(props) >= 5 * sizeof(objc_property_t));
+    testassert(props[3] != NULL);
+    testassert(props[4] == NULL);
+    free(props);
+
+    // Check NULL count parameter
+    props = protocol_copyPropertyList(proto, NULL);
+    testassert(props);
+    testassert(props[4] == NULL);
+    testassert(props[3] != NULL);
+    free(props);
+
+    // Check NULL protocol parameter
+    count = 100;
+    props = protocol_copyPropertyList(NULL, &count);
+    testassert(!props);
+    testassert(count == 0);
+    
+    // Check NULL protocol and count
+    props = protocol_copyPropertyList(NULL, NULL);
+    testassert(!props);
+
+    // Check protocol with no properties
+    proto = @protocol(NoProps);
+    testassert(proto);
+
+    count = 100;
+    props = protocol_copyPropertyList(proto, &count);
+    testassert(!props);
+    testassert(count == 0);
+
+    succeed(__FILE__);
+    return 0;
+}