@Test
@SuppressWarnings("unchecked")
public void testXxhdpiFilterRemovesUnneededResources() {
Set<Path> xxhdpi = Filters.filterByDensity(candidates, ImmutableSet.of(Density.XXHDPI), false);
Iterable<Path> keepPaths =
Iterables.concat(
paths("dmhx.png", XHDPI),
paths("dmh.png", HDPI),
paths("dmx.png", XHDPI),
paths("dhx.png", XHDPI),
paths("hx.png", XHDPI),
paths("md.png", MDPI), // drawable-mdpi preferred over drawable.
paths("l.png", LDPI),
paths("d.png", DRAWABLE),
paths("h11.png", HDPI_11),
paths("2x.png", XXHDPI),
paths("x2x.png", XXHDPI),
paths("h3x.png", XXXHDPI),
paths("dlmhx2x.png", XXHDPI),
paths("dmhx_rx.png", XHDPI, XHDPI_RO),
paths("dmhx_fmhx.png", XHDPI, XHDPI_FR),
paths("lh2x_flh2x.png", XXHDPI, XXHDPI_FR),
paths("mth11_flth.png", TVDPI, HDPI_11, HDPI_FR),
paths("fm3x.png", XXXHDPI_FR),
paths("lx.png", XHDPI),
paths("nine.9.png", XXHDPI));
MoreAsserts.assertSetEquals(pathsToRemove(candidates, Lists.newArrayList(keepPaths)), xxhdpi);
}
@Test
@SuppressWarnings("unchecked")
public void testLdpiMdpiFilterWithDownscale() {
Set<Path> lmdpi =
Filters.filterByDensity(candidates, ImmutableSet.of(Density.LDPI, Density.MDPI), true);
Iterable<Path> keepPaths =
Iterables.concat(
paths("dmhx.png", MDPI),
paths("dmh.png", MDPI),
paths("dmx.png", MDPI),
paths("dhx.png", DRAWABLE),
paths("hx.png", XHDPI), // Downscale XHDPI
paths("md.png", MDPI),
paths("l.png", LDPI),
paths("d.png", DRAWABLE),
paths("h11.png", HDPI_11),
paths("2x.png", XXHDPI),
paths("x2x.png", XXHDPI),
paths("h3x.png", XXXHDPI), // Downscale XXXHDPI
paths("dlmhx2x.png", LDPI, MDPI),
paths("dmhx_rx.png", MDPI, XHDPI_RO),
paths("dmhx_fmhx.png", MDPI, MDPI_FR),
paths("lh2x_flh2x.png", LDPI, XXHDPI, LDPI_FR, XXHDPI_FR), // Downscale XXHDPI
paths("mth11_flth.png", MDPI, HDPI_11, LDPI_FR, HDPI_FR),
paths("fm3x.png", MDPI_FR),
paths("lx.png", LDPI, XHDPI),
paths("nine.9.png", LDPI, XHDPI) /* No downscale */);
MoreAsserts.assertSetEquals(pathsToRemove(candidates, Lists.newArrayList(keepPaths)), lmdpi);
}
@Test
public void testImageDensityFilter() {
Set<Path> filesToRemove =
Filters.filterByDensity(candidates, ImmutableSet.of(Density.MDPI), false);
Predicate<Path> predicate =
Filters.createImageDensityFilter(candidates, ImmutableSet.of(Density.MDPI), false);
assertFalse(candidates.isEmpty());
for (Path candidate : candidates) {
assertEquals(!filesToRemove.contains(candidate), predicate.apply(candidate));
}
}
