package com.xtremelabs.robolectric.res;

import android.graphics.Color;
import com.xtremelabs.robolectric.R;
import org.junit.Before;
import org.junit.Test;

import static com.xtremelabs.robolectric.util.TestUtil.getSystemResourceDir;
import static com.xtremelabs.robolectric.util.TestUtil.resourceFile;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertThat;

public class ColorResourceLoaderTest {
    private ColorResourceLoader colorResourceLoader;

    @Before public void setUp() throws Exception {
        ResourceExtractor resourceExtractor = new ResourceExtractor();
        resourceExtractor.addLocalRClass(R.class);
        resourceExtractor.addSystemRClass(android.R.class);
        colorResourceLoader = new ColorResourceLoader(resourceExtractor);
        new DocumentLoader(colorResourceLoader).loadResourceXmlDir(resourceFile("res", "values"));
        new DocumentLoader(colorResourceLoader).loadSystemResourceXmlDir(getSystemResourceDir("values"));
    }

    @Test
    public void shouldHandleNonColorResourcesWithoutCrashing() throws Exception {
        assertThat(colorResourceLoader.getValue(R.drawable.l0_red), equalTo(-0x000001));
    }

    @Test
    public void testStringsAreResolved() throws Exception {
        assertThat(colorResourceLoader.getValue(R.color.black), equalTo(0x000000));
        assertThat(colorResourceLoader.getValue(R.color.white), equalTo(0xffffff));
    }

    @Test
    public void shouldHandleColorsWithAlpha() throws Exception {
        assertThat(colorResourceLoader.getValue(R.color.clear), equalTo(0x000001));
    }

    @Test
    public void shouldHandleColorForwardReferences() throws Exception {
        assertThat(colorResourceLoader.getValue(R.color.foreground), equalTo(0xf5f5f5));
    }

    @Test
    public void shouldHandleColorBackwardReferences() throws Exception {
        assertThat(colorResourceLoader.getValue(R.color.background), equalTo(0xf5f5f5));
    }

    @Test
    public void shouldLoadColorsWithAlpha() throws Exception {
        assertThat(colorResourceLoader.getValue(R.color.color_with_alpha), equalTo(0x802C76AD));
    }

    @Test
    public void shouldReturnAndroidColors() throws Exception {
        assertThat(colorResourceLoader.getValue(android.R.color.black), equalTo(Color.BLACK));
    }

    @Test
    public void shouldSupportCarrierDefinedColors() throws Exception {
        assertThat(colorResourceLoader.getValue(android.R.color.background_dark), equalTo(0xFF000000));
    }

    @Test
    public void shouldParseAndroidColorReferences() throws Exception {
        assertThat(colorResourceLoader.getValue(R.color.android_namespaced_black), equalTo(Color.BLACK));
    }

    @Test
    public void shouldParseSimpleAndroidColorReferences() throws Exception {
        assertThat(colorResourceLoader.getValue(R.color.android_red), equalTo(Color.RED));
    }
}