test/com/facebook/buck/cxx/DefaultCxxPlatformsTest.java

/*
 * Copyright 2014-present Facebook, Inc.
 *
 * 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.facebook.buck.cxx;

import static org.hamcrest.Matchers.containsInAnyOrder;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;

import com.facebook.buck.cli.FakeBuckConfig;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;

import org.junit.Test;

import java.util.Map;

public class DefaultCxxPlatformsTest {

  @Test
  public void lexYaccFlags() {
    CxxPlatform cxxPlatform = DefaultCxxPlatforms.build(
        new FakeBuckConfig(
            ImmutableMap.<String, Map<String, String>>of(
                "cxx", ImmutableMap.of(
                    "lexflags", "-lex -lex",
                    "yaccflags", "-yacc -yacc"))));
    assertEquals(ImmutableList.of("-lex", "-lex"), cxxPlatform.getLexFlags());
    assertEquals(ImmutableList.of("-yacc", "-yacc"), cxxPlatform.getYaccFlags());
  }


  @Test
  public void compilerFlagsPropagateToPreprocessorFlags() {
    CxxPlatform cxxPlatform = DefaultCxxPlatforms.build(
        new FakeBuckConfig(
            ImmutableMap.<String, Map<String, String>>of(
                "cxx", ImmutableMap.of(
                    "cflags", "-std=gnu11",
                    "cppflags", "-DCFOO",
                    "cxxflags", "-std=c++11",
                    "cxxppflags", "-DCXXFOO"))));
    assertThat(
        cxxPlatform.getCflags(),
        containsInAnyOrder("-std=gnu11"));
    assertThat(
        cxxPlatform.getCppflags(),
        containsInAnyOrder("-std=gnu11", "-DCFOO"));
    assertThat(
        cxxPlatform.getCxxflags(),
        containsInAnyOrder("-std=c++11"));
    assertThat(
        cxxPlatform.getCxxppflags(),
        containsInAnyOrder("-std=c++11", "-DCXXFOO"));
  }


}