Add the clang library to the repo (with some of my changes, too).

1 files changed, 75 insertions, 0 deletions

diff --git a/clang/test/SemaObjC/warn-strict-selector-match.m b/clang/test/SemaObjC/warn-strict-selector-match.m
new file mode 100644
index 0000000..34f1712
--- /dev/null
+++ b/clang/test/SemaObjC/warn-strict-selector-match.m
@@ -0,0 +1,75 @@
+// RUN: %clang_cc1  -Wstrict-selector-match -fsyntax-only -verify %s
+
+@interface Foo
+-(int) method; // expected-note {{using}}
+@end
+
+@interface Bar
+-(float) method;	// expected-note {{also found}}
+@end
+
+int main() { [(id)0 method]; } // expected-warning {{multiple methods named 'method' found}}
+
+@interface Object @end
+
+@interface Class1
+- (void)setWindow:(Object *)wdw;	// expected-note {{using}}
+@end
+
+@interface Class2
+- (void)setWindow:(Class1 *)window;	// expected-note {{also found}}
+@end
+
+id foo(void) {
+  Object *obj = 0;
+  id obj2 = obj;
+  [obj setWindow:0]; 	// expected-warning {{Object' may not respond to 'setWindow:'}}
+  [obj2 setWindow:0]; // expected-warning {{multiple methods named 'setWindow:' found}}
+  return obj;
+}
+
+@protocol MyObject
+- (id)initWithData:(Object *)data;	// expected-note {{using}} \
+					// expected-note {{passing argument to parameter 'data' here}}
+@end
+
+@protocol SomeOther
+- (id)initWithData:(int)data;	// expected-note {{also found}}
+@end
+
+@protocol MyCoding
+- (id)initWithData:(id<MyObject, MyCoding>)data;	// expected-note {{also found}}
+@end
+
+@interface NTGridDataObject: Object <MyCoding>
+{
+    Object<MyCoding> *_data;
+}
++ (NTGridDataObject*)dataObject:(id<MyObject, MyCoding>)data;
+@end
+
+@implementation NTGridDataObject
+- (id)initWithData:(id<MyObject, MyCoding>)data {
+  return data;
+}
++ (NTGridDataObject*)dataObject:(id<MyObject, MyCoding>)data
+{
+    NTGridDataObject *result = [(id)0 initWithData:data]; // expected-warning {{multiple methods named 'initWithData:' found}} \
+    expected-warning {{sending 'id<MyObject,MyCoding>' to parameter of incompatible type 'Object *'}}
+    return result;
+}
+@end
+
+@interface Base
+- (unsigned)port;
+@end
+
+@interface Derived: Base
+- (Object *)port;
++ (Protocol *)port;
+@end
+
+void foo1(void) {
+  [(Class)0 port]; // OK - gcc issues warning but there is only one Class method so no ambiguity to warn
+}
+