diff options
Diffstat (limited to 'test/Analysis/casts.c')
| -rw-r--r-- | test/Analysis/casts.c | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/test/Analysis/casts.c b/test/Analysis/casts.c index 087bd97..3e2f807 100644 --- a/test/Analysis/casts.c +++ b/test/Analysis/casts.c @@ -1,6 +1,7 @@ -// RUN: %clang_cc1 -triple x86_64-apple-darwin9 -analyze -analyzer-checker=core,alpha.core -analyzer-store=region -verify %s -// RUN: %clang_cc1 -triple i386-apple-darwin9 -analyze -analyzer-checker=core,alpha.core -analyzer-store=region -verify %s -// expected-no-diagnostics +// RUN: %clang_cc1 -triple x86_64-apple-darwin9 -analyze -analyzer-checker=core,alpha.core,debug.ExprInspection -analyzer-store=region -verify %s +// RUN: %clang_cc1 -triple i386-apple-darwin9 -analyze -analyzer-checker=core,alpha.core,debug.ExprInspection -analyzer-store=region -verify %s + +extern void clang_analyzer_eval(_Bool); // Test if the 'storage' region gets properly initialized after it is cast to // 'struct sockaddr *'. @@ -85,3 +86,34 @@ int foo (int* p) { } return 0; } + +void castsToBool() { + clang_analyzer_eval(0); // expected-warning{{FALSE}} + clang_analyzer_eval(0U); // expected-warning{{FALSE}} + clang_analyzer_eval((void *)0); // expected-warning{{FALSE}} + + clang_analyzer_eval(1); // expected-warning{{TRUE}} + clang_analyzer_eval(1U); // expected-warning{{TRUE}} + clang_analyzer_eval(-1); // expected-warning{{TRUE}} + clang_analyzer_eval(0x100); // expected-warning{{TRUE}} + clang_analyzer_eval(0x100U); // expected-warning{{TRUE}} + clang_analyzer_eval((void *)0x100); // expected-warning{{TRUE}} + + extern int symbolicInt; + clang_analyzer_eval(symbolicInt); // expected-warning{{UNKNOWN}} + if (symbolicInt) + clang_analyzer_eval(symbolicInt); // expected-warning{{TRUE}} + + extern void *symbolicPointer; + clang_analyzer_eval(symbolicPointer); // expected-warning{{UNKNOWN}} + if (symbolicPointer) + clang_analyzer_eval(symbolicPointer); // expected-warning{{TRUE}} + + int localInt; + clang_analyzer_eval(&localInt); // expected-warning{{TRUE}} + clang_analyzer_eval(&castsToBool); // expected-warning{{TRUE}} + clang_analyzer_eval("abc"); // expected-warning{{TRUE}} + + extern float globalFloat; + clang_analyzer_eval(globalFloat); // expected-warning{{UNKNOWN}} +} |
