xref: /llvm-project/clang/unittests/Tooling/RecursiveASTVisitorTests/BitfieldInitializer.cpp (revision 4e600751d2f7e8e7b85a71b7128b68444bdde91b)
1 //===- unittest/Tooling/RecursiveASTVisitorTests/BitfieldInitializer.cpp -===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "TestVisitor.h"
10 #include <string>
11 
12 using namespace clang;
13 
14 namespace {
15 
16 // Check to ensure that bitfield initializers are visited.
17 class BitfieldInitializerVisitor : public ExpectedLocationVisitor {
18 public:
19   bool VisitIntegerLiteral(IntegerLiteral *IL) override {
20     Match(std::to_string(IL->getValue().getSExtValue()), IL->getLocation());
21     return true;
22   }
23 };
24 
25 TEST(RecursiveASTVisitor, BitfieldInitializerIsVisited) {
26   BitfieldInitializerVisitor Visitor;
27   Visitor.ExpectMatch("123", 2, 15);
28   EXPECT_TRUE(Visitor.runOver("struct S {\n"
29                               "  int x : 8 = 123;\n"
30                               "};\n"));
31 }
32 
33 } // end anonymous namespace
34