Adds the equalsBoundNode matcher.
Most of the tests contributed by Edwin Vane.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@184427 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/ASTMatchers/ASTMatchersTest.cpp b/unittests/ASTMatchers/ASTMatchersTest.cpp
index a7ccb56..839c447 100644
--- a/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -4081,5 +4081,94 @@
EXPECT_TRUE(VerifyCallback.Called);
}
+TEST(EqualsBoundNodeMatcher, QualType) {
+ EXPECT_TRUE(matches(
+ "int i = 1;", varDecl(hasType(qualType().bind("type")),
+ hasInitializer(ignoringParenImpCasts(
+ hasType(qualType(equalsBoundNode("type"))))))));
+ EXPECT_TRUE(notMatches("int i = 1.f;",
+ varDecl(hasType(qualType().bind("type")),
+ hasInitializer(ignoringParenImpCasts(hasType(
+ qualType(equalsBoundNode("type"))))))));
+}
+
+TEST(EqualsBoundNodeMatcher, NonMatchingTypes) {
+ EXPECT_TRUE(notMatches(
+ "int i = 1;", varDecl(namedDecl(hasName("i")).bind("name"),
+ hasInitializer(ignoringParenImpCasts(
+ hasType(qualType(equalsBoundNode("type"))))))));
+}
+
+TEST(EqualsBoundNodeMatcher, Stmt) {
+ EXPECT_TRUE(
+ matches("void f() { if(true) {} }",
+ stmt(allOf(ifStmt().bind("if"),
+ hasParent(stmt(has(stmt(equalsBoundNode("if")))))))));
+
+ EXPECT_TRUE(notMatches(
+ "void f() { if(true) { if (true) {} } }",
+ stmt(allOf(ifStmt().bind("if"), has(stmt(equalsBoundNode("if")))))));
+}
+
+TEST(EqualsBoundNodeMatcher, Decl) {
+ EXPECT_TRUE(matches(
+ "class X { class Y {}; };",
+ decl(allOf(recordDecl(hasName("::X::Y")).bind("record"),
+ hasParent(decl(has(decl(equalsBoundNode("record")))))))));
+
+ EXPECT_TRUE(notMatches("class X { class Y {}; };",
+ decl(allOf(recordDecl(hasName("::X")).bind("record"),
+ has(decl(equalsBoundNode("record")))))));
+}
+
+TEST(EqualsBoundNodeMatcher, Type) {
+ EXPECT_TRUE(matches(
+ "class X { int a; int b; };",
+ recordDecl(
+ has(fieldDecl(hasName("a"), hasType(type().bind("t")))),
+ has(fieldDecl(hasName("b"), hasType(type(equalsBoundNode("t"))))))));
+
+ EXPECT_TRUE(notMatches(
+ "class X { int a; double b; };",
+ recordDecl(
+ has(fieldDecl(hasName("a"), hasType(type().bind("t")))),
+ has(fieldDecl(hasName("b"), hasType(type(equalsBoundNode("t"))))))));
+}
+
+TEST(EqualsBoundNodeMatcher, UsingForEachDescendant) {
+
+ EXPECT_TRUE(matchAndVerifyResultTrue(
+ "int f() {"
+ " if (1) {"
+ " int i = 9;"
+ " }"
+ " int j = 10;"
+ " {"
+ " float k = 9.0;"
+ " }"
+ " return 0;"
+ "}",
+ // Look for variable declarations within functions whose type is the same
+ // as the function return type.
+ functionDecl(returns(qualType().bind("type")),
+ forEachDescendant(varDecl(hasType(
+ qualType(equalsBoundNode("type")))).bind("decl"))),
+ // Only i and j should match, not k.
+ new VerifyIdIsBoundTo<VarDecl>("decl", 2)));
+}
+
+TEST(EqualsBoundNodeMatcher, FiltersMatchedCombinations) {
+ EXPECT_TRUE(matchAndVerifyResultTrue(
+ "void f() {"
+ " int x;"
+ " double d;"
+ " x = d + x - d + x;"
+ "}",
+ functionDecl(
+ hasName("f"), forEachDescendant(varDecl().bind("d")),
+ forEachDescendant(declRefExpr(to(decl(equalsBoundNode("d")))))),
+ new VerifyIdIsBoundTo<VarDecl>("d", 5)));
+}
+
} // end namespace ast_matchers
} // end namespace clang