From e0652d113ae77cb181c7164569e34af1f53612da Mon Sep 17 00:00:00 2001
From: Manuel Klimek <klimek@google.com>
Date: Tue, 27 May 2014 12:31:10 +0000
Subject: Make equalsNode work with pointers to subtypes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@209652 91177308-0d34-0410-b5e6-96231b3b80d8
---
 unittests/ASTMatchers/ASTMatchersTest.cpp | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

(limited to 'unittests/ASTMatchers')

diff --git a/unittests/ASTMatchers/ASTMatchersTest.cpp b/unittests/ASTMatchers/ASTMatchersTest.cpp
index 9d9b2a15b7..691719c04e 100644
--- a/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -4158,24 +4158,32 @@ public:
   }
 
   bool verify(const BoundNodes &Nodes, ASTContext &Context, const Stmt *Node) {
+    // Use the original typed pointer to verify we can pass pointers to subtypes
+    // to equalsNode.
+    const T *TypedNode = cast<T>(Node);
     return selectFirst<const T>(
-        "", match(stmt(hasParent(stmt(has(stmt(equalsNode(Node)))).bind(""))),
-                  *Node, Context)) != NULL;
+               "", match(stmt(hasParent(
+                             stmt(has(stmt(equalsNode(TypedNode)))).bind(""))),
+                         *Node, Context)) != NULL;
   }
   bool verify(const BoundNodes &Nodes, ASTContext &Context, const Decl *Node) {
+    // Use the original typed pointer to verify we can pass pointers to subtypes
+    // to equalsNode.
+    const T *TypedNode = cast<T>(Node);
     return selectFirst<const T>(
-        "", match(decl(hasParent(decl(has(decl(equalsNode(Node)))).bind(""))),
-                  *Node, Context)) != NULL;
+               "", match(decl(hasParent(
+                             decl(has(decl(equalsNode(TypedNode)))).bind(""))),
+                         *Node, Context)) != NULL;
   }
 };
 
 TEST(IsEqualTo, MatchesNodesByIdentity) {
   EXPECT_TRUE(matchAndVerifyResultTrue(
       "class X { class Y {}; };", recordDecl(hasName("::X::Y")).bind(""),
-      new VerifyAncestorHasChildIsEqual<Decl>()));
-  EXPECT_TRUE(
-      matchAndVerifyResultTrue("void f() { if(true) {} }", ifStmt().bind(""),
-                               new VerifyAncestorHasChildIsEqual<Stmt>()));
+      new VerifyAncestorHasChildIsEqual<CXXRecordDecl>()));
+  EXPECT_TRUE(matchAndVerifyResultTrue(
+      "void f() { if (true) if(true) {} }", ifStmt().bind(""),
+      new VerifyAncestorHasChildIsEqual<IfStmt>()));
 }
 
 class VerifyStartOfTranslationUnit : public MatchFinder::MatchCallback {
-- 
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