Adds child traversal matchers for IfStmt's then and else branches.

llvm-svn: 209649
diff --git a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
index 4ce56fd..9d9b2a1 100644
--- a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -1966,6 +1966,17 @@
   EXPECT_TRUE(notMatches("void x() { if (1) {} }", Condition));
 }
 
+TEST(IfStmt, ChildTraversalMatchers) {
+  EXPECT_TRUE(matches("void f() { if (false) true; else false; }",
+                      ifStmt(hasThen(boolLiteral(equals(true))))));
+  EXPECT_TRUE(notMatches("void f() { if (false) false; else true; }",
+                         ifStmt(hasThen(boolLiteral(equals(true))))));
+  EXPECT_TRUE(matches("void f() { if (false) false; else true; }",
+                      ifStmt(hasElse(boolLiteral(equals(true))))));
+  EXPECT_TRUE(notMatches("void f() { if (false) true; else false; }",
+                         ifStmt(hasElse(boolLiteral(equals(true))))));
+}
+
 TEST(MatchBinaryOperator, HasOperatorName) {
   StatementMatcher OperatorOr = binaryOperator(hasOperatorName("||"));