minix/external/bsd/llvm/dist/clang/test/Analysis/bool-assignment.c
Lionel Sambuc f4a2713ac8 Importing netbsd clang -- pristine
Change-Id: Ia40e9ffdf29b5dab2f122f673ff6802a58bc690f
2014-07-28 17:05:57 +02:00

94 lines
2.3 KiB
C

// RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.core.BoolAssignment -analyzer-store=region -verify -std=c99 -Dbool=_Bool %s
// RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.core.BoolAssignment -analyzer-store=region -verify -x c++ %s
// Test C++'s bool and C's _Bool.
// FIXME: We stopped warning on these when SValBuilder got smarter about
// casts to bool. Arguably, however, these conversions are okay; the result
// is always 'true' or 'false'.
void test_stdbool_initialization(int y) {
bool constant = 2; // no-warning
if (y < 0) {
bool x = y; // no-warning
return;
}
if (y > 1) {
bool x = y; // no-warning
return;
}
bool x = y; // no-warning
}
void test_stdbool_assignment(int y) {
bool x = 0; // no-warning
if (y < 0) {
x = y; // no-warning
return;
}
if (y > 1) {
x = y; // no-warning
return;
}
x = y; // no-warning
}
// Test Objective-C's BOOL
typedef signed char BOOL;
void test_BOOL_initialization(int y) {
BOOL constant = 2; // expected-warning {{Assignment of a non-Boolean value}}
if (y < 0) {
BOOL x = y; // expected-warning {{Assignment of a non-Boolean value}}
return;
}
if (y > 1) {
BOOL x = y; // expected-warning {{Assignment of a non-Boolean value}}
return;
}
BOOL x = y; // no-warning
}
void test_BOOL_assignment(int y) {
BOOL x = 0; // no-warning
if (y < 0) {
x = y; // expected-warning {{Assignment of a non-Boolean value}}
return;
}
if (y > 1) {
x = y; // expected-warning {{Assignment of a non-Boolean value}}
return;
}
x = y; // no-warning
}
// Test MacTypes.h's Boolean
typedef unsigned char Boolean;
void test_Boolean_initialization(int y) {
Boolean constant = 2; // expected-warning {{Assignment of a non-Boolean value}}
if (y < 0) {
Boolean x = y; // expected-warning {{Assignment of a non-Boolean value}}
return;
}
if (y > 1) {
Boolean x = y; // expected-warning {{Assignment of a non-Boolean value}}
return;
}
Boolean x = y; // no-warning
}
void test_Boolean_assignment(int y) {
Boolean x = 0; // no-warning
if (y < 0) {
x = y; // expected-warning {{Assignment of a non-Boolean value}}
return;
}
if (y > 1) {
x = y; // expected-warning {{Assignment of a non-Boolean value}}
return;
}
x = y; // no-warning
}