1f4a2713aSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only -Wstring-conversion -verify %s
2f4a2713aSLionel Sambuc
3f4a2713aSLionel Sambuc // Warn on cases where a string literal is converted into a bool.
4*0a6a1f1dSLionel Sambuc // An exception is made for this in logical and operators.
5f4a2713aSLionel Sambuc void assert(bool condition);
test0()6f4a2713aSLionel Sambuc void test0() {
7f4a2713aSLionel Sambuc bool b0 = "hi"; // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}}
8f4a2713aSLionel Sambuc b0 = ""; // expected-warning{{implicit conversion turns string literal into bool: 'const char [1]' to 'bool'}}
9*0a6a1f1dSLionel Sambuc b0 = 0 || ""; // expected-warning{{implicit conversion turns string literal into bool: 'const char [1]' to 'bool'}}
10*0a6a1f1dSLionel Sambuc b0 = "" || 0; // expected-warning{{implicit conversion turns string literal into bool: 'const char [1]' to 'bool'}}
11f4a2713aSLionel Sambuc b0 = 0 && "";
12*0a6a1f1dSLionel Sambuc b0 = "" && 0;
13f4a2713aSLionel Sambuc assert("error"); // expected-warning{{implicit conversion turns string literal into bool: 'const char [6]' to 'bool'}}
14*0a6a1f1dSLionel Sambuc assert(0 || "error"); // expected-warning{{implicit conversion turns string literal into bool: 'const char [6]' to 'bool'}}
15*0a6a1f1dSLionel Sambuc assert("error" || 0); // expected-warning{{implicit conversion turns string literal into bool: 'const char [6]' to 'bool'}}
16f4a2713aSLionel Sambuc assert(0 && "error");
17*0a6a1f1dSLionel Sambuc assert("error" && 0);
18f4a2713aSLionel Sambuc
19f4a2713aSLionel Sambuc while("hi") {} // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}}
20f4a2713aSLionel Sambuc do {} while("hi"); // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}}
21f4a2713aSLionel Sambuc for (;"hi";); // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}}
22f4a2713aSLionel Sambuc if("hi") {} // expected-warning{{implicit conversion turns string literal into bool: 'const char [3]' to 'bool'}}
23f4a2713aSLionel Sambuc }
24f4a2713aSLionel Sambuc
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