91c45e8f46
Make sure that we do not add SymbolCast at the very boundary of the range in which the cast would not certainly happen. Differential Revision: http://reviews.llvm.org/D16178 llvm-svn: 258039
104 lines
2.5 KiB
C
104 lines
2.5 KiB
C
// RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.core.BoolAssignment -analyzer-store=region -verify -std=c99 -Dbool=_Bool %s
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// RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.core.BoolAssignment -analyzer-store=region -verify -x c++ %s
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// Test C++'s bool and C's _Bool.
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// FIXME: We stopped warning on these when SValBuilder got smarter about
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// casts to bool. Arguably, however, these conversions are okay; the result
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// is always 'true' or 'false'.
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void test_stdbool_initialization(int y) {
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bool constant = 2; // no-warning
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if (y < 0) {
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bool x = y; // no-warning
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return;
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}
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if (y > 1) {
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bool x = y; // no-warning
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return;
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}
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bool x = y; // no-warning
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}
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void test_stdbool_assignment(int y) {
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bool x = 0; // no-warning
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if (y < 0) {
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x = y; // no-warning
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return;
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}
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if (y > 1) {
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x = y; // no-warning
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return;
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}
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x = y; // no-warning
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}
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// Test Objective-C's BOOL
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typedef signed char BOOL;
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void test_BOOL_initialization(int y) {
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BOOL constant = 2; // expected-warning {{Assignment of a non-Boolean value}}
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if (y < 0) {
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BOOL x = y; // expected-warning {{Assignment of a non-Boolean value}}
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return;
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}
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if (y > 200 && y < 250) {
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// FIXME: Currently we are loosing this warning due to a SymbolCast in RHS.
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BOOL x = y; // no-warning
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return;
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}
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if (y >= 127 && y < 150) {
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BOOL x = y; // expected-warning{{Assignment of a non-Boolean value}}
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return;
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}
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if (y > 1) {
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BOOL x = y; // expected-warning {{Assignment of a non-Boolean value}}
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return;
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}
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BOOL x = y; // no-warning
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}
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void test_BOOL_assignment(int y) {
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BOOL x = 0; // no-warning
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if (y < 0) {
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x = y; // expected-warning {{Assignment of a non-Boolean value}}
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return;
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}
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if (y > 1) {
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x = y; // expected-warning {{Assignment of a non-Boolean value}}
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return;
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}
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x = y; // no-warning
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}
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// Test MacTypes.h's Boolean
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typedef unsigned char Boolean;
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void test_Boolean_initialization(int y) {
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Boolean constant = 2; // expected-warning {{Assignment of a non-Boolean value}}
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if (y < 0) {
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Boolean x = y; // expected-warning {{Assignment of a non-Boolean value}}
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return;
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}
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if (y > 1) {
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Boolean x = y; // expected-warning {{Assignment of a non-Boolean value}}
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return;
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}
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Boolean x = y; // no-warning
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}
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void test_Boolean_assignment(int y) {
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Boolean x = 0; // no-warning
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if (y < 0) {
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x = y; // expected-warning {{Assignment of a non-Boolean value}}
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return;
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}
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if (y > 1) {
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x = y; // expected-warning {{Assignment of a non-Boolean value}}
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return;
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}
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x = y; // no-warning
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}
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