diff options
author | Clement Courbet <courbet@google.com> | 2017-07-11 15:45:22 +0000 |
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committer | Clement Courbet <courbet@google.com> | 2017-07-11 15:45:22 +0000 |
commit | e575997e85ce57a89dd5ba926dac7f40e7fffe76 (patch) | |
tree | 22906b1f49c8626863aef7f158752227006b78b2 /unittests | |
parent | 1e30b7a60a9a2bfc5657b59bfe8cab0bec8ef957 (diff) |
[ASTMatchers][NFC] integerLiteral(): Mention negative integers in
documentation.
Trying to match integerLiteral(-1) will silently fail, because an numeric
literal is always positive.
- Update the documentation to explain how to match negative numeric
literals.
- Add a unit test.
Differential Revision: https://reviews.llvm.org/D35196
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@307663 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests')
-rw-r--r-- | unittests/ASTMatchers/ASTMatchersNodeTest.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/unittests/ASTMatchers/ASTMatchersNodeTest.cpp b/unittests/ASTMatchers/ASTMatchersNodeTest.cpp index dfaa441cd7..58c26eafd7 100644 --- a/unittests/ASTMatchers/ASTMatchersNodeTest.cpp +++ b/unittests/ASTMatchers/ASTMatchersNodeTest.cpp @@ -666,6 +666,12 @@ TEST(Matcher, IntegerLiterals) { EXPECT_TRUE(notMatches("int i = 'a';", HasIntLiteral)); EXPECT_TRUE(notMatches("int i = 1e10;", HasIntLiteral)); EXPECT_TRUE(notMatches("int i = 10.0;", HasIntLiteral)); + + // Negative integers. + EXPECT_TRUE( + matches("int i = -10;", + unaryOperator(hasOperatorName("-"), + hasUnaryOperand(integerLiteral(equals(10)))))); } TEST(Matcher, FloatLiterals) { |