| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * 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 android.content.res.cts; |
| |
| import android.content.res.Resources; |
| import android.test.AndroidTestCase; |
| import android.test.suitebuilder.annotation.SmallTest; |
| import android.util.TypedValue; |
| import com.android.cts.content.R; |
| |
| public class FractionTest extends AndroidTestCase { |
| |
| private Resources mResources; |
| private TypedValue mValue; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| mResources = mContext.getResources(); |
| mValue = new TypedValue(); |
| } |
| |
| @SmallTest |
| public void testFractions() throws Exception { |
| tryFraction(R.dimen.frac100perc, 1, 1, 1); |
| tryFraction(R.dimen.frac1perc, 1, 1, .01f); |
| tryFraction(R.dimen.fracp1perc, 1, 1, .001f); |
| tryFraction(R.dimen.fracp01perc, 1, 1, .0001f); |
| tryFraction(R.dimen.frac0perc, 1, 1, 0); |
| tryFraction(R.dimen.frac1p1perc, 1, 1, .011f); |
| tryFraction(R.dimen.frac100p1perc, 1, 1, 1.001f); |
| tryFraction(R.dimen.frac25510perc, 1, 1, 255.1f); |
| tryFraction(R.dimen.frac25610perc, 1, 1, 256.1f); |
| tryFraction(R.dimen.frac6553510perc, 1, 1, 65535.1f); |
| tryFraction(R.dimen.frac6553610perc, 1, 1, 65536.1f); |
| |
| tryFraction(R.dimen.frac100perc, 100, 1, 100); |
| tryFraction(R.dimen.frac1perc, 100, 1, .01f * 100); |
| tryFraction(R.dimen.fracp1perc, 100, 1, .001f * 100); |
| tryFraction(R.dimen.fracp01perc, 100, 1, .0001f * 100); |
| tryFraction(R.dimen.frac0perc, 100, 1, 0); |
| tryFraction(R.dimen.frac1p1perc, 100, 1, .011f * 100); |
| tryFraction(R.dimen.frac100p1perc, 100, 1, 1.001f * 100); |
| tryFraction(R.dimen.frac25510perc, 100, 1, 255.1f * 100); |
| tryFraction(R.dimen.frac25610perc, 100, 1, 256.1f * 100); |
| tryFraction(R.dimen.frac6553510perc, 100, 1, 65535.1f * 100); |
| tryFraction(R.dimen.frac6553610perc, 100, 1, 65536.1f * 100); |
| |
| tryFraction(R.dimen.frac100pperc, 100, 2, 2); |
| tryFraction(R.dimen.frac1pperc, 100, 2, .01f * 2); |
| tryFraction(R.dimen.fracp1pperc, 100, 2, .001f * 2); |
| tryFraction(R.dimen.fracp01pperc, 100, 2, .0001f * 2); |
| tryFraction(R.dimen.frac0pperc, 100, 2, 0); |
| tryFraction(R.dimen.frac1p1pperc, 100, 2, .011f * 2); |
| tryFraction(R.dimen.frac100p1pperc, 100, 2, 1.001f * 2); |
| tryFraction(R.dimen.frac25510pperc, 100, 2, 255.1f * 2); |
| tryFraction(R.dimen.frac25610pperc, 100, 2, 256.1f * 2); |
| tryFraction(R.dimen.frac6553510pperc, 100, 2, 65535.1f * 2); |
| tryFraction(R.dimen.frac6553610pperc, 100, 2, 65536.1f * 2); |
| } |
| |
| private void tryFraction(final int resid, final float base, final float pbase, |
| final float expected) { |
| mResources.getValue(resid, mValue, true); |
| float res = mValue.getFraction(base, pbase); |
| float diff = Math.abs(expected - res); |
| float prec = expected * 1e-4f; |
| if (prec < 1e-5f) { |
| prec = 1e-5f; |
| } |
| |
| assertFalse("Expecting value " + expected + " got " + res + ": in resource 0x" |
| + Integer.toHexString(resid) + " " + mValue, diff > prec); |
| } |
| } |
| |