objc4-437.tar.gz

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

diff --git a/test/copyPropertyList.m b/test/copyPropertyList.m
new file mode 100644 (file)
index 0000000..5821016
--- /dev/null
+++ b/test/copyPropertyList.m
@@ -0,0 +1,120 @@
+#include "test.h"
+#include <string.h>
+#include <malloc/malloc.h>
+#include <objc/objc-runtime.h>
+
+@interface SuperProps { id isa; int prop1; int prop2; } 
+@property int prop1;
+@property int prop2;
+@end
+@implementation SuperProps 
+@synthesize prop1;
+@synthesize prop2;
+@end
+
+@interface SubProps : SuperProps { int prop3; int prop4; }
+@property int prop3;
+@property int prop4;
+@end
+@implementation SubProps 
+@synthesize prop3;
+@synthesize prop4;
+@end
+
+
+@interface FourProps { int prop1; int prop2; int prop3; int prop4; }
+@property int prop1;
+@property int prop2;
+@property int prop3;
+@property int prop4;
+@end
+@implementation FourProps 
+@synthesize prop1;
+@synthesize prop2;
+@synthesize prop3;
+@synthesize prop4;
+@end
+
+@interface NoProps @end
+@implementation 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;
+    Class cls;
+
+    cls = objc_getClass("SubProps");
+    testassert(cls);
+
+    count = 100;
+    props = class_copyPropertyList(cls, &count);
+    testassert(props);
+    testassert(count == 2);
+    testassert((isNamed(props[0], "prop3")  &&  isNamed(props[1], "prop4"))  ||
+               (isNamed(props[1], "prop3")  &&  isNamed(props[0], "prop4")));
+    // props[] should be null-terminated
+    testassert(props[2] == NULL);
+    free(props);
+
+    cls = objc_getClass("SuperProps");
+    testassert(cls);
+
+    count = 100;
+    props = class_copyPropertyList(cls, &count);
+    testassert(props);
+    testassert(count == 2);
+    testassert((isNamed(props[0], "prop1")  &&  isNamed(props[1], "prop2"))  ||
+               (isNamed(props[1], "prop1")  &&  isNamed(props[0], "prop2")));
+    // 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
+    cls = objc_getClass("FourProps");
+    testassert(cls);
+
+    count = 100;
+    props = class_copyPropertyList(cls, &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 = class_copyPropertyList(cls, NULL);
+    testassert(props);
+    testassert(props[4] == NULL);
+    testassert(props[3] != NULL);
+    free(props);
+
+    // Check NULL class parameter
+    count = 100;
+    props = class_copyPropertyList(NULL, &count);
+    testassert(!props);
+    testassert(count == 0);
+    
+    // Check NULL class and count
+    props = class_copyPropertyList(NULL, NULL);
+    testassert(!props);
+
+    // Check class with no properties
+    cls = objc_getClass("NoProps");
+    testassert(cls);
+
+    count = 100;
+    props = class_copyPropertyList(cls, &count);
+    testassert(!props);
+    testassert(count == 0);
+
+    succeed(__FILE__);
+    return 0;
+}