| //===-- SourceCodeTests.cpp ------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| #include "SourceCode.h" |
| #include "llvm/Support/Error.h" |
| #include "llvm/Support/raw_os_ostream.h" |
| #include "llvm/Testing/Support/Error.h" |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| |
| namespace clang{ |
| namespace clangd { |
| namespace { |
| |
| using llvm::Failed; |
| using llvm::HasValue; |
| |
| MATCHER_P2(Pos, Line, Col, "") { |
| return arg.line == Line && arg.character == Col; |
| } |
| |
| const char File[] = R"(0:0 = 0 |
| 1:0 = 8 |
| 2:0 = 16)"; |
| |
| /// A helper to make tests easier to read. |
| Position position(int line, int character) { |
| Position Pos; |
| Pos.line = line; |
| Pos.character = character; |
| return Pos; |
| } |
| |
| TEST(SourceCodeTests, PositionToOffset) { |
| // line out of bounds |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(-1, 2)), Failed()); |
| // first line |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(0, -1)), |
| Failed()); // out of range |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(0, 0)), |
| HasValue(0)); // first character |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(0, 3)), |
| HasValue(3)); // middle character |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(0, 6)), |
| HasValue(6)); // last character |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(0, 7)), |
| HasValue(7)); // the newline itself |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(0, 7), false), |
| HasValue(7)); |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(0, 8)), |
| HasValue(7)); // out of range |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(0, 8), false), |
| Failed()); // out of range |
| // middle line |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(1, -1)), |
| Failed()); // out of range |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(1, 0)), |
| HasValue(8)); // first character |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(1, 3)), |
| HasValue(11)); // middle character |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(1, 3), false), |
| HasValue(11)); |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(1, 6)), |
| HasValue(14)); // last character |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(1, 7)), |
| HasValue(15)); // the newline itself |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(1, 8)), |
| HasValue(15)); // out of range |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(1, 8), false), |
| Failed()); // out of range |
| // last line |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(2, -1)), |
| Failed()); // out of range |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(2, 0)), |
| HasValue(16)); // first character |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(2, 3)), |
| HasValue(19)); // middle character |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(2, 7)), |
| HasValue(23)); // last character |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(2, 8)), |
| HasValue(24)); // EOF |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(2, 9), false), |
| Failed()); // out of range |
| // line out of bounds |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(3, 0)), Failed()); |
| EXPECT_THAT_EXPECTED(positionToOffset(File, position(3, 1)), Failed()); |
| } |
| |
| TEST(SourceCodeTests, OffsetToPosition) { |
| EXPECT_THAT(offsetToPosition(File, 0), Pos(0, 0)) << "start of file"; |
| EXPECT_THAT(offsetToPosition(File, 3), Pos(0, 3)) << "in first line"; |
| EXPECT_THAT(offsetToPosition(File, 6), Pos(0, 6)) << "end of first line"; |
| EXPECT_THAT(offsetToPosition(File, 7), Pos(0, 7)) << "first newline"; |
| EXPECT_THAT(offsetToPosition(File, 8), Pos(1, 0)) << "start of second line"; |
| EXPECT_THAT(offsetToPosition(File, 11), Pos(1, 3)) << "in second line"; |
| EXPECT_THAT(offsetToPosition(File, 14), Pos(1, 6)) << "end of second line"; |
| EXPECT_THAT(offsetToPosition(File, 15), Pos(1, 7)) << "second newline"; |
| EXPECT_THAT(offsetToPosition(File, 16), Pos(2, 0)) << "start of last line"; |
| EXPECT_THAT(offsetToPosition(File, 19), Pos(2, 3)) << "in last line"; |
| EXPECT_THAT(offsetToPosition(File, 23), Pos(2, 7)) << "end of last line"; |
| EXPECT_THAT(offsetToPosition(File, 24), Pos(2, 8)) << "EOF"; |
| EXPECT_THAT(offsetToPosition(File, 25), Pos(2, 8)) << "out of bounds"; |
| } |
| |
| } // namespace |
| } // namespace clangd |
| } // namespace clang |