forked from OSchip/llvm-project
125 lines
5.7 KiB
C++
125 lines
5.7 KiB
C++
//===-- 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;
|
|
}
|
|
|
|
// The = → 🡆 below are ASCII (1 byte), BMP (3 bytes), and astral (4 bytes).
|
|
const char File[] = R"(0:0 = 0
|
|
1:0 → 8
|
|
2:0 🡆 18)";
|
|
|
|
/// 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(16)); // last character
|
|
EXPECT_THAT_EXPECTED(positionToOffset(File, position(1, 7)),
|
|
HasValue(17)); // the newline itself
|
|
EXPECT_THAT_EXPECTED(positionToOffset(File, position(1, 8)),
|
|
HasValue(17)); // 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(18)); // first character
|
|
EXPECT_THAT_EXPECTED(positionToOffset(File, position(2, 3)),
|
|
HasValue(21)); // middle character
|
|
EXPECT_THAT_EXPECTED(positionToOffset(File, position(2, 5), false),
|
|
Failed()); // middle of surrogate pair
|
|
EXPECT_THAT_EXPECTED(positionToOffset(File, position(2, 5)),
|
|
HasValue(26)); // middle of surrogate pair
|
|
EXPECT_THAT_EXPECTED(positionToOffset(File, position(2, 6), false),
|
|
HasValue(26)); // end of surrogate pair
|
|
EXPECT_THAT_EXPECTED(positionToOffset(File, position(2, 8)),
|
|
HasValue(28)); // last character
|
|
EXPECT_THAT_EXPECTED(positionToOffset(File, position(2, 9)),
|
|
HasValue(29)); // EOF
|
|
EXPECT_THAT_EXPECTED(positionToOffset(File, position(2, 10), 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, 12), Pos(1, 4)) << "before BMP char";
|
|
EXPECT_THAT(offsetToPosition(File, 13), Pos(1, 5)) << "in BMP char";
|
|
EXPECT_THAT(offsetToPosition(File, 15), Pos(1, 5)) << "after BMP char";
|
|
EXPECT_THAT(offsetToPosition(File, 16), Pos(1, 6)) << "end of second line";
|
|
EXPECT_THAT(offsetToPosition(File, 17), Pos(1, 7)) << "second newline";
|
|
EXPECT_THAT(offsetToPosition(File, 18), Pos(2, 0)) << "start of last line";
|
|
EXPECT_THAT(offsetToPosition(File, 21), Pos(2, 3)) << "in last line";
|
|
EXPECT_THAT(offsetToPosition(File, 22), Pos(2, 4)) << "before astral char";
|
|
EXPECT_THAT(offsetToPosition(File, 24), Pos(2, 6)) << "in astral char";
|
|
EXPECT_THAT(offsetToPosition(File, 26), Pos(2, 6)) << "after astral char";
|
|
EXPECT_THAT(offsetToPosition(File, 28), Pos(2, 8)) << "end of last line";
|
|
EXPECT_THAT(offsetToPosition(File, 29), Pos(2, 9)) << "EOF";
|
|
EXPECT_THAT(offsetToPosition(File, 30), Pos(2, 9)) << "out of bounds";
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace clangd
|
|
} // namespace clang
|