56 lines
1.4 KiB
Objective-C
56 lines
1.4 KiB
Objective-C
// RUN: %clang_cc1 -fsyntax-only -Wuninitialized -fsyntax-only -fblocks %s -verify
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#include <stdarg.h>
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@interface NSObject {} @end
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@class NSString;
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@interface NSException
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+ (void)raise:(NSString *)name format:(NSString *)format, ...;
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+ (void)raise:(NSString *)name format:(NSString *)format arguments:(va_list)argList;
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- (void)raise;
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@end
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// Duplicated from uninit-variables.c.
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// Test just to ensure the analysis is working.
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int test1() {
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int x; // expected-note{{initialize the variable 'x' to silence this warning}}
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return x; // expected-warning{{variable 'x' is uninitialized when used here}}
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}
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// Test ObjC fast enumeration.
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void test2() {
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id collection = 0;
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for (id obj in collection) {
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if (0 == obj) // no-warning
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break;
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}
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}
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void test3() {
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id collection = 0;
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id obj;
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for (obj in collection) { // no-warning
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if (0 == obj) // no-warning
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break;
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}
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}
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int test_abort_on_exceptions(int y, NSException *e, NSString *s, int *z, ...) {
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int x; // expected-note {{initialize the variable 'x' to silence this warning}}
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if (y == 1) {
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va_list alist;
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va_start(alist, z);
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[NSException raise:@"Blah" format:@"Blah %@" arguments:alist];
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return x;
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}
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else if (y == 2) {
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[NSException raise:@"Blah" format:s];
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return x;
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}
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else if (y == 3) {
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[e raise];
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return x;
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}
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return x; // expected-warning {{variable 'x' is uninitialized when used here}}
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}
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