xref: /llvm-project/clang/unittests/Tooling/RecursiveASTVisitorTests/BitfieldInitializer.cpp (revision 897cc8a7d7c0e47686322dbd4b95ecad30bb2298)
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
18     : public ExpectedLocationVisitor<BitfieldInitializerVisitor> {
19 public:
20   bool VisitIntegerLiteral(IntegerLiteral *IL) {
21     Match(std::to_string(IL->getValue().getSExtValue()), IL->getLocation());
22     return true;
23   }
24 };
25 
26 TEST(RecursiveASTVisitor, BitfieldInitializerIsVisited) {
27   BitfieldInitializerVisitor Visitor;
28   Visitor.ExpectMatch("123", 2, 15);
29   EXPECT_TRUE(Visitor.runOver("struct S {\n"
30                               "  int x : 8 = 123;\n"
31                               "};\n"));
32 }
33 
34 } // end anonymous namespace
35