| //===- clang-apply-replacements/ReformattingTest.cpp ----------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "clang-apply-replacements/Tooling/ApplyReplacements.h" |
| #include "common/VirtualFileHelper.h" |
| #include "clang/Format/Format.h" |
| #include "clang/Tooling/Refactoring.h" |
| #include "gtest/gtest.h" |
| |
| using namespace clang; |
| using namespace clang::tooling; |
| using namespace clang::replace; |
| |
| typedef std::vector<clang::tooling::Replacement> ReplacementsVec; |
| |
| static Replacement makeReplacement(unsigned Offset, unsigned Length, |
| unsigned ReplacementLength, |
| llvm::StringRef FilePath = "") { |
| return Replacement(FilePath, Offset, Length, |
| std::string(ReplacementLength, '~')); |
| } |
| |
| // generate a set of replacements containing one element |
| static ReplacementsVec makeReplacements(unsigned Offset, unsigned Length, |
| unsigned ReplacementLength, |
| llvm::StringRef FilePath = "~") { |
| ReplacementsVec Replaces; |
| Replaces.push_back( |
| makeReplacement(Offset, Length, ReplacementLength, FilePath)); |
| return Replaces; |
| } |
| |
| // Put these functions in the clang::tooling namespace so arg-dependent name |
| // lookup finds these functions for the EXPECT_EQ macros below. |
| namespace clang { |
| namespace tooling { |
| |
| std::ostream &operator<<(std::ostream &os, const Range &R) { |
| return os << "Range(" << R.getOffset() << ", " << R.getLength() << ")"; |
| } |
| |
| } // namespace tooling |
| } // namespace clang |
| |
| // Ensure zero-length ranges are produced. Even lines where things are deleted |
| // need reformatting. |
| TEST(CalculateChangedRangesTest, producesZeroLengthRange) { |
| RangeVector Changes = calculateChangedRanges(makeReplacements(0, 4, 0)); |
| EXPECT_EQ(Range(0, 0), Changes.front()); |
| } |
| |
| // Basic test to ensure replacements turn into ranges properly. |
| TEST(CalculateChangedRangesTest, calculatesRanges) { |
| ReplacementsVec R; |
| R.push_back(makeReplacement(2, 0, 3)); |
| R.push_back(makeReplacement(5, 2, 4)); |
| RangeVector Changes = calculateChangedRanges(R); |
| |
| Range ExpectedRanges[] = { Range(2, 3), Range(8, 4) }; |
| EXPECT_TRUE(std::equal(Changes.begin(), Changes.end(), ExpectedRanges)); |
| } |