clang/unittests/Tooling/RecursiveASTVisitorTests/BitfieldInitializer.cpp

   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