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author | rdivacky <rdivacky@FreeBSD.org> | 2009-10-14 18:03:49 +0000 |
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committer | rdivacky <rdivacky@FreeBSD.org> | 2009-10-14 18:03:49 +0000 |
commit | 9092c3e0fa01f3139b016d05d267a89e3b07747a (patch) | |
tree | 137ebebcae16fb0ce7ab4af456992bbd8d22fced /test/SemaCXX/warn-assignment-condition.cpp | |
parent | 4981926bf654fe5a2c3893f24ca44106b217e71e (diff) | |
download | FreeBSD-src-9092c3e0fa01f3139b016d05d267a89e3b07747a.zip FreeBSD-src-9092c3e0fa01f3139b016d05d267a89e3b07747a.tar.gz |
Update clang to r84119.
Diffstat (limited to 'test/SemaCXX/warn-assignment-condition.cpp')
-rw-r--r-- | test/SemaCXX/warn-assignment-condition.cpp | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/test/SemaCXX/warn-assignment-condition.cpp b/test/SemaCXX/warn-assignment-condition.cpp new file mode 100644 index 0000000..3b9f306 --- /dev/null +++ b/test/SemaCXX/warn-assignment-condition.cpp @@ -0,0 +1,65 @@ +// RUN: clang-cc -fsyntax-only -Wparentheses -verify %s + +struct A { + int foo(); + friend A operator+(const A&, const A&); + operator bool(); +}; + +void test() { + int x, *p; + A a, b; + + // With scalars. + if (x = 7) {} // expected-warning {{using the result of an assignment as a condition without parentheses}} + if ((x = 7)) {} + do { + } while (x = 7); // expected-warning {{using the result of an assignment as a condition without parentheses}} + do { + } while ((x = 7)); + while (x = 7) {} // expected-warning {{using the result of an assignment as a condition without parentheses}} + while ((x = 7)) {} + for (; x = 7; ) {} // expected-warning {{using the result of an assignment as a condition without parentheses}} + for (; (x = 7); ) {} + + if (p = p) {} // expected-warning {{using the result of an assignment as a condition without parentheses}} + if ((p = p)) {} + do { + } while (p = p); // expected-warning {{using the result of an assignment as a condition without parentheses}} + do { + } while ((p = p)); + while (p = p) {} // expected-warning {{using the result of an assignment as a condition without parentheses}} + while ((p = p)) {} + for (; p = p; ) {} // expected-warning {{using the result of an assignment as a condition without parentheses}} + for (; (p = p); ) {} + + // Initializing variables (shouldn't warn). + if (int y = x) {} + while (int y = x) {} + if (A y = a) {} + while (A y = a) {} + + // With temporaries. + if (x = (b+b).foo()) {} // expected-warning {{using the result of an assignment as a condition without parentheses}} + if ((x = (b+b).foo())) {} + do { + } while (x = (b+b).foo()); // expected-warning {{using the result of an assignment as a condition without parentheses}} + do { + } while ((x = (b+b).foo())); + while (x = (b+b).foo()) {} // expected-warning {{using the result of an assignment as a condition without parentheses}} + while ((x = (b+b).foo())) {} + for (; x = (b+b).foo(); ) {} // expected-warning {{using the result of an assignment as a condition without parentheses}} + for (; (x = (b+b).foo()); ) {} + + // With a user-defined operator. + if (a = b + b) {} // expected-warning {{using the result of an assignment as a condition without parentheses}} + if ((a = b + b)) {} + do { + } while (a = b + b); // expected-warning {{using the result of an assignment as a condition without parentheses}} + do { + } while ((a = b + b)); + while (a = b + b) {} // expected-warning {{using the result of an assignment as a condition without parentheses}} + while ((a = b + b)) {} + for (; a = b + b; ) {} // expected-warning {{using the result of an assignment as a condition without parentheses}} + for (; (a = b + b); ) {} +} |