45 lines
1.7 KiB
Java
45 lines
1.7 KiB
Java
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.inputmethod.keyboard.internal;
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import com.android.inputmethod.keyboard.internal.MatrixUtils.MatrixOperationFailedException;
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import android.test.AndroidTestCase;
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import android.test.suitebuilder.annotation.SmallTest;
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@SmallTest
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public class SmoothingUtilsTests extends AndroidTestCase {
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// "run tests" -c com.android.inputmethod.keyboard.internal.SmoothingUtilsTests
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private static final boolean DEBUG = false;
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public void testGet3DParamaters() {
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final float[] xs = new float[] {0, 1, 2, 3, 4};
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final float[] ys = new float[] {1, 4, 15, 40, 85}; // y = x^3 + x^2 + x + 1
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final float[][] retval = new float[4][1];
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try {
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SmoothingUtils.get3DParameters(xs, ys, retval);
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if (DEBUG) {
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MatrixUtils.dump("3d", retval);
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}
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for (int i = 0; i < 4; ++i) {
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MatrixUtilsTests.assertEqualsFloat(retval[i][0], 1.0f, 0.001f);
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}
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} catch (MatrixOperationFailedException e) {
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assertTrue(false);
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}
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}
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}
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