[ASTMatchers] Add isLambda() matcher.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@274015 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp b/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
index e304d0629c..7deed85440 100644
--- a/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
+++ b/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
@@ -537,6 +537,12 @@ TEST(DeclarationMatcher, ClassIsDerived) {
     cxxRecordDecl(isDerivedFrom(namedDecl(hasName("X"))))));
 }
 
+TEST(DeclarationMatcher, IsLambda) {
+  const auto IsLambda = cxxMethodDecl(ofClass(cxxRecordDecl(isLambda())));
+  EXPECT_TRUE(matches("auto x = []{};", IsLambda));
+  EXPECT_TRUE(notMatches("struct S { void operator()() const; };", IsLambda));
+}
+
 TEST(Matcher, BindMatchedNodes) {
   DeclarationMatcher ClassX = has(recordDecl(hasName("::X")).bind("x"));