From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- .../test/SemaObjC/objc-container-subscripting-2.m | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 clang/test/SemaObjC/objc-container-subscripting-2.m (limited to 'clang/test/SemaObjC/objc-container-subscripting-2.m') diff --git a/clang/test/SemaObjC/objc-container-subscripting-2.m b/clang/test/SemaObjC/objc-container-subscripting-2.m new file mode 100644 index 0000000..3c0081b --- /dev/null +++ b/clang/test/SemaObjC/objc-container-subscripting-2.m @@ -0,0 +1,30 @@ +// RUN: %clang_cc1 -fsyntax-only -verify %s + +typedef unsigned int size_t; +@protocol P @end + +@interface NSMutableArray +- (id)objectAtIndexedSubscript:(size_t)index; +- (void)setObject:(id)object atIndexedSubscript:(size_t)index; +@end + +@interface NSMutableDictionary +- (id)objectForKeyedSubscript:(id)key; +- (void)setObject:(id)object forKeyedSubscript:(size_t)key; +@end + +id func() { + NSMutableArray *array; + float f; + array[f] = array; // expected-error {{indexing expression is invalid because subscript type 'float' is not an integral or objective-C pointer type}} + return array[3.14]; // expected-error {{indexing expression is invalid because subscript type 'double' is not an integral or objective-C pointer type}} +} + +void test_unused() { + NSMutableArray *array; + array[10]; // expected-warning {{container access result unused - container access should not be used for side effects}} + + NSMutableDictionary *dict; + dict[array]; // expected-warning {{container access result unused - container access should not be used for side effects}} +} + -- cgit v1.2.3