Add a nullPointerConstant() AST matcher to handle variations of null pointer constants in one matcher.
llvm-svn: 261008
diff --git a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
index 4672fb8..53ebbe1 100644
--- a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -5348,5 +5348,15 @@
)));
}
+TEST(NullPointerConstants, Basic) {
+ EXPECT_TRUE(matches("#define NULL ((void *)0)\n"
+ "void *v1 = NULL;", expr(nullPointerConstant())));
+ EXPECT_TRUE(matches("void *v2 = nullptr;", expr(nullPointerConstant())));
+ EXPECT_TRUE(matches("void *v3 = __null;", expr(nullPointerConstant())));
+ EXPECT_TRUE(matches("char *cp = (char *)0;", expr(nullPointerConstant())));
+ EXPECT_TRUE(matches("int *ip = 0;", expr(nullPointerConstant())));
+ EXPECT_TRUE(notMatches("int i = 0", expr(nullPointerConstant())));
+}
+
} // end namespace ast_matchers
} // end namespace clang