diff options
author | Andrew Lehmer <alehmer@google.com> | 2017-04-26 14:58:59 -0700 |
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committer | Andrew Lehmer <alehmer@google.com> | 2017-04-26 14:58:59 -0700 |
commit | e76dcf96b0c451e46cddfa695de8feeb92533937 (patch) | |
tree | ed9a45d409f988f517e6c3f3a685cbf81ac45a5a /android/WALT/app/src/test | |
parent | bcf013dda8ffac9fd76937be6441b44bb9f3586f (diff) | |
download | walt-e76dcf96b0c451e46cddfa695de8feeb92533937.tar.gz |
Import google/walt
Cloned from https://github.com/google/walt.git without modification.
Bug: 36896528
Test: N/A
Diffstat (limited to 'android/WALT/app/src/test')
3 files changed, 289 insertions, 0 deletions
diff --git a/android/WALT/app/src/test/java/org/chromium/latency/walt/HistogramChartTest.java b/android/WALT/app/src/test/java/org/chromium/latency/walt/HistogramChartTest.java new file mode 100644 index 0000000..8365719 --- /dev/null +++ b/android/WALT/app/src/test/java/org/chromium/latency/walt/HistogramChartTest.java @@ -0,0 +1,81 @@ +/* + * Copyright (C) 2017 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 org.chromium.latency.walt; + +import com.github.mikephil.charting.data.BarData; +import com.github.mikephil.charting.data.BarDataSet; +import com.github.mikephil.charting.data.BarEntry; +import com.github.mikephil.charting.interfaces.datasets.IBarDataSet; + +import org.junit.Before; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.powermock.core.classloader.annotations.PrepareForTest; +import org.powermock.modules.junit4.PowerMockRunner; + +import java.util.ArrayList; + +import static junit.framework.Assert.assertEquals; +import static org.mockito.Matchers.anyInt; +import static org.mockito.Mockito.when; +import static org.powermock.api.mockito.PowerMockito.mockStatic; + +@RunWith(PowerMockRunner.class) +@PrepareForTest(android.graphics.Color.class) +public class HistogramChartTest { + + private BarData barData; + private HistogramChart.HistogramData data; + + @Before + public void setUp() { + mockStatic(android.graphics.Color.class); + when(android.graphics.Color.rgb(anyInt(), anyInt(), anyInt())).thenReturn(0); + barData = new BarData(); + barData.setBarWidth((1f - HistogramChart.GROUP_SPACE)/1); + barData.addDataSet(new BarDataSet(new ArrayList<BarEntry>(), "SomeLabel")); + data = new HistogramChart.HistogramData(1, 5f); + data.addEntry(barData, 0, 12); + data.addEntry(barData, 0, 14); + data.addEntry(barData, 0, 16); + data.addEntry(barData, 0, 21); + } + + @Test + public void testBinHeights() { + final IBarDataSet barDataSet = barData.getDataSetByIndex(0); + assertEquals(3, barDataSet.getEntryCount()); + assertEquals(2d, barDataSet.getEntryForIndex(0).getY(), 0.000001); + assertEquals(1d, barDataSet.getEntryForIndex(1).getY(), 0.000001); + assertEquals(1d, barDataSet.getEntryForIndex(2).getY(), 0.000001); + } + + @Test + public void testBinXPositions() { + final IBarDataSet barDataSet = barData.getDataSetByIndex(0); + assertEquals(3, barDataSet.getEntryCount()); + assertEquals(0d + 0.05d + 0.45d, barDataSet.getEntryForIndex(0).getX(), 0.000001); + assertEquals(1d + 0.05d + 0.45d, barDataSet.getEntryForIndex(1).getX(), 0.000001); + assertEquals(2d + 0.05d + 0.45d, barDataSet.getEntryForIndex(2).getX(), 0.000001); + } + + @Test + public void testDisplayValue() { + assertEquals(10d, data.getMinBin(), 0.000001); + assertEquals(15d, data.getDisplayValue(1), 0.000001); + } +} diff --git a/android/WALT/app/src/test/java/org/chromium/latency/walt/TraceLoggerTest.java b/android/WALT/app/src/test/java/org/chromium/latency/walt/TraceLoggerTest.java new file mode 100644 index 0000000..ed617cb --- /dev/null +++ b/android/WALT/app/src/test/java/org/chromium/latency/walt/TraceLoggerTest.java @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2017 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 org.chromium.latency.walt; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.powermock.core.classloader.annotations.PrepareForTest; +import org.powermock.modules.junit4.PowerMockRunner; + +import static junit.framework.Assert.assertTrue; +import static org.mockito.Mockito.when; +import static org.powermock.api.mockito.PowerMockito.mockStatic; + +@RunWith(PowerMockRunner.class) +@PrepareForTest(android.os.Process.class) +public class TraceLoggerTest { + + @Test + public void testLogText() { + final TraceLogger traceLogger = TraceLogger.getInstance(); + traceLogger.log(30012345, 30045678, "SomeTitle", "Some description here"); + traceLogger.log(40012345, 40045678, "AnotherTitle", "Another description here"); + mockStatic(android.os.Process.class); + when(android.os.Process.myPid()).thenReturn(42); + String expected = + "WALTThread-[0-9]+ \\(42\\) \\[[0-9]+] .{4} 30\\.012345: tracing_mark_write: B\\|42\\|SomeTitle\\|description=Some description here\\|WALT\n" + + "WALTThread-[0-9]+ \\(42\\) \\[[0-9]+] .{4} 30\\.045678: tracing_mark_write: E\\|42\\|SomeTitle\\|\\|WALT\n" + + "WALTThread-[0-9]+ \\(42\\) \\[[0-9]+] .{4} 40\\.012345: tracing_mark_write: B\\|42\\|AnotherTitle\\|description=Another description here\\|WALT\n" + + "WALTThread-[0-9]+ \\(42\\) \\[[0-9]+] .{4} 40\\.045678: tracing_mark_write: E\\|42\\|AnotherTitle\\|\\|WALT\n"; + assertTrue(traceLogger.getLogText().matches(expected)); + } +} diff --git a/android/WALT/app/src/test/java/org/chromium/latency/walt/UtilsTest.java b/android/WALT/app/src/test/java/org/chromium/latency/walt/UtilsTest.java new file mode 100644 index 0000000..bf77e05 --- /dev/null +++ b/android/WALT/app/src/test/java/org/chromium/latency/walt/UtilsTest.java @@ -0,0 +1,162 @@ +/* + * Copyright (C) 2017 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 org.chromium.latency.walt; + +import org.junit.Test; + +import java.util.ArrayList; +import java.util.Random; + +import static java.lang.Double.NaN; +import static junit.framework.Assert.assertEquals; +import static org.hamcrest.core.Is.is; +import static org.junit.Assert.assertThat; + +public class UtilsTest { + + @Test + public void testMedian_singleNumber() { + ArrayList<Double> arr = new ArrayList<>(); + arr.add(0d); + assertThat(Utils.median(arr), is(0d)); + } + + @Test + public void testMedian_evenSize() { + ArrayList<Double> arr = new ArrayList<>(); + arr.add(1d); arr.add(2d); arr.add(3d); arr.add(4d); + assertThat(Utils.median(arr), is(2.5d)); + } + + @Test + public void testMedian_oddSize() { + ArrayList<Double> arr = new ArrayList<>(); + arr.add(1d); arr.add(2d); arr.add(3d); arr.add(4d); arr.add(5d); + assertThat(Utils.median(arr), is(3d)); + } + + @Test + public void testMean() { + assertThat(Utils.mean(new double[]{-1,1,2,3}), is(1.25d)); + } + + @Test + public void testMean_singleNumber() { + assertThat(Utils.mean(new double[]{0}), is(0d)); + } + + @Test + public void testMean_empty() { + assertThat(Utils.mean(new double[]{}), is(NaN)); + } + + @Test + public void testMean_repeatedNumbers() { + assertThat(Utils.mean(new double[]{5,5,5,5}), is(5d)); + } + + @Test + public void testInterp() { + assertThat(Utils.interp(new double[]{5,6,16,17}, new double[]{0, 10, 12, 18}, + new double[]{35, 50, 75, 93}), is(new double[]{42.5, 44, 87, 90})); + } + + @Test + public void testInterp_singleNumber() { + assertThat(Utils.interp(new double[]{5}, new double[]{0, 10}, + new double[]{35, 50}), is(new double[]{42.5})); + } + + @Test + public void testInterp_twoNumbers() { + assertThat(Utils.interp(new double[]{0}, new double[]{0, 10}, + new double[]{35, 50}), is(new double[]{35})); + } + + @Test + public void testInterp_numberContained() { + assertThat(Utils.interp(new double[]{5, 10}, new double[]{0, 5, 10}, + new double[]{35, 19, 50}), is(new double[]{19, 50})); + } + + @Test + public void testStdev() { + assertThat(Utils.stdev(new double[]{10,12,14,18}), is(Math.sqrt(8.75))); + } + + @Test + public void testStdev_empty() { + assertThat(Utils.stdev(new double[]{}), is(NaN)); + } + + @Test + public void testStdev_singleNumber() { + assertThat(Utils.stdev(new double[]{42}), is(0d)); + } + + @Test + public void testStdev_manyNumbers() { + assertThat(Utils.stdev(new double[]{-1,0,1}), is(Math.sqrt(2d/3d))); + } + + @Test + public void testExtract() { + assertThat(Utils.extract(new int[]{1, 2, 2, 1, 2, 2, 1, 2, 2}, 1, + new double[]{1.5, 2.5, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 9.5}), + is(new double[]{1.5, 4.5, 7.5})); + } + + @Test + public void testExtract_empty() { + assertThat(Utils.extract(new int[]{}, 1, new double[]{}), is(new double[]{})); + } + + @Test + public void testArgmin() { + assertThat(Utils.argmin(new double[]{5, 2, 1, -10, -20, 5, 19, 100}), is(4)); + } + + @Test + public void testArgmin_empty() { + assertThat(Utils.argmin(new double[]{}), is(0)); + } + + @Test + public void testFindBestShift() { + Random rand = new Random(42); + double latency = 12.34; + double[] touchTimes = new double[4000]; + for (int i = 0; i < touchTimes.length; i++) { + // touch events every millisecond with some jitter + touchTimes[i] = i + rand.nextDouble()*0.2 - 0.1; + } + double[] touchY = new double[touchTimes.length]; + for (int i = 0; i < touchY.length; i++) { + // sine wave will oscillate 1 time + touchY[i] = 1000*Math.cos((touchTimes[i] - latency) * Math.PI/500) + rand.nextDouble()*0.02 - 0.01; + } + double[] laserTimes = new double[4]; + int i = 0; + for (int root = 0; root < 1000; root+=1000) { + laserTimes[i++] = root + 250 - 10; + laserTimes[i++] = root + 250 + 10; + laserTimes[i++] = root + 750 - 10; + laserTimes[i++] = root + 750 + 10; + } + assertEquals(latency, Utils.findBestShift(laserTimes, touchTimes, touchY), 1e-6); + } +} |