/*

* Copyright (c) Facebook, Inc. and its affiliates.

*

* This source code is licensed under the MIT license found in the

* LICENSE file in the root directory of this source tree.

*/

#include "hermes/Support/SourceErrorManager.h"

#include "gtest/gtest.h"

using namespace hermes;

namespace {

TEST(SourceErrorManagerTest, testFindSMLocFromCoords) {

SourceErrorManager mgr{};

auto buf =

llvh::MemoryBuffer::getMemBuffer("01\n34567\n\n\n\n", "TEST", false);

auto *start = buf->getBufferStart();

auto *end = buf->getBufferEnd();

mgr.addNewSourceBuffer(std::move(buf));

// Test just a normal position first.

SourceErrorManager::SourceCoords coords;

auto loc1 = SMLoc::getFromPointer(start + 5);

mgr.findBufferLineAndLoc(loc1, coords);

ASSERT_TRUE(coords.isValid());

ASSERT_EQ(2, coords.line);

ASSERT_EQ(3, coords.col);

auto loc2 = mgr.findSMLocFromCoords(coords);

ASSERT_EQ(loc1, loc2);

// Test column 1 in an empty line.

loc1 = SMLoc::getFromPointer(start + 10);

mgr.findBufferLineAndLoc(loc1, coords);

ASSERT_TRUE(coords.isValid());

ASSERT_EQ(4, coords.line);

ASSERT_EQ(1, coords.col);

loc2 = mgr.findSMLocFromCoords(coords);

ASSERT_EQ(loc1, loc2);

// Make it the last line.

loc1 = SMLoc::getFromPointer(start + 11);

mgr.findBufferLineAndLoc(loc1, coords);

ASSERT_TRUE(coords.isValid());

ASSERT_EQ(5, coords.line);

ASSERT_EQ(1, coords.col);

loc2 = mgr.findSMLocFromCoords(coords);

ASSERT_EQ(loc1, loc2);

// Some errors show unexpected EOF at one past the last character.

loc1 = SMLoc::getFromPointer(end);

mgr.findBufferLineAndLoc(loc1, coords);

ASSERT_TRUE(coords.isValid());

ASSERT_EQ(6, coords.line);

ASSERT_EQ(1, coords.col);

loc2 = mgr.findSMLocFromCoords(coords);

ASSERT_EQ(loc1, loc2);

}

} // end anonymous namespace