/*
 * Copyright 2016 The Bazel Authors. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.google.idea.blaze.cpp;

import static com.google.common.truth.Truth.assertThat;

import com.google.common.collect.ImmutableList;
import com.google.idea.blaze.base.BlazeTestCase;
import com.jetbrains.cidr.lang.OCLanguageKind;
import com.jetbrains.cidr.lang.toolchains.CidrCompilerSwitches;
import java.io.File;
import java.util.List;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** Tests for {@link BlazeCompilerSettings}. */
@RunWith(JUnit4.class)
public class BlazeCompilerSettingsTest extends BlazeTestCase {

  @Test
  public void testCompilerSwitchesSimple() {
    File cppExe = new File("bin/cpp");
    ImmutableList<String> cFlags = ImmutableList.of("-fast", "-slow");
    BlazeCompilerSettings settings =
        new BlazeCompilerSettings(getProject(), cppExe, cppExe, cFlags, cFlags);

    CidrCompilerSwitches compilerSwitches = settings.getCompilerSwitches(OCLanguageKind.C, null);
    List<String> commandLineArgs = compilerSwitches.getFileArgs();
    assertThat(commandLineArgs).containsExactly("-fast", "-slow");
  }

  @Test
  public void testCompilerSwitchesWithUnescapedSpaces() {
    File cppExe = new File("bin/cpp");
    ImmutableList<String> cFlags = ImmutableList.of("-f ast", "-slo w");
    BlazeCompilerSettings settings =
        new BlazeCompilerSettings(getProject(), cppExe, cppExe, cFlags, cFlags);

    CidrCompilerSwitches compilerSwitches = settings.getCompilerSwitches(OCLanguageKind.C, null);
    List<String> fileArgs = compilerSwitches.getFileArgs();
    assertThat(fileArgs).containsExactly("-f", "ast", "-slo", "w");
  }

  @Test
  public void testCompilerSwitchesWithEscapedSpaces() {
    File cppExe = new File("bin/cpp");
    ImmutableList<String> cFlags = ImmutableList.of("-f\\ ast", "-slo\\ w");
    BlazeCompilerSettings settings =
        new BlazeCompilerSettings(getProject(), cppExe, cppExe, cFlags, cFlags);

    CidrCompilerSwitches compilerSwitches = settings.getCompilerSwitches(OCLanguageKind.C, null);
    List<String> fileArgs = compilerSwitches.getFileArgs();
    assertThat(fileArgs).containsExactly("-f", "ast", "-slo", "w");
  }

  @Test
  public void testCompilerSwitchesWithUnescapedAndEscapedSpaces() {
    File cppExe = new File("bin/cpp");
    ImmutableList<String> cFlags = ImmutableList.of("-f ast", "-slo\\ w");
    BlazeCompilerSettings settings =
        new BlazeCompilerSettings(getProject(), cppExe, cppExe, cFlags, cFlags);

    CidrCompilerSwitches compilerSwitches = settings.getCompilerSwitches(OCLanguageKind.C, null);
    List<String> fileArgs = compilerSwitches.getFileArgs();
    assertThat(fileArgs).containsExactly("-f", "ast", "-slo", "w");
  }
}