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Diffstat (limited to 'tests/CoreTests/android/core/FloatDoubleTest.java')
-rw-r--r-- | tests/CoreTests/android/core/FloatDoubleTest.java | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/tests/CoreTests/android/core/FloatDoubleTest.java b/tests/CoreTests/android/core/FloatDoubleTest.java deleted file mode 100644 index 8c8455b..0000000 --- a/tests/CoreTests/android/core/FloatDoubleTest.java +++ /dev/null @@ -1,152 +0,0 @@ -/* - * Copyright (C) 2008 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.core; - -import junit.framework.TestCase; -import android.test.suitebuilder.annotation.SmallTest; - -/** - * Tests for basic functionality of floats and doubles. - */ -public class FloatDoubleTest extends TestCase { - - @SmallTest - public void testFloatDouble() throws Exception { - Double d = Double.valueOf(1.0); - Float f = Float.valueOf(1.0f); - Object o = new Object(); - - assertFalse(f.equals(d)); - assertFalse(d.equals(f)); - assertFalse(f.equals(o)); - assertFalse(d.equals(o)); - assertFalse(f.equals(null)); - assertFalse(d.equals(null)); - } - - @SmallTest - public void testFloat() throws Exception { - float pz = 0.0f; - float nz = -0.0f; - - float pzero = 1.0f / Float.POSITIVE_INFINITY; - float nzero = 1.0f / Float.NEGATIVE_INFINITY; - - // Everything compares as '==' - assertTrue(pz == pz); - assertTrue(pz == nz); - assertTrue(pz == pzero); - assertTrue(pz == nzero); - - assertTrue(nz == pz); - assertTrue(nz == nz); - assertTrue(nz == pzero); - assertTrue(nz == nzero); - - assertTrue(pzero == pz); - assertTrue(pzero == nz); - assertTrue(pzero == pzero); - assertTrue(pzero == nzero); - - assertTrue(nzero == pz); - assertTrue(nzero == nz); - assertTrue(nzero == pzero); - assertTrue(nzero == nzero); - - // +-0 are distinct as Floats - assertEquals(Float.valueOf(pz), Float.valueOf(pz)); - assertTrue(!Float.valueOf(pz).equals(Float.valueOf(nz))); - assertEquals(Float.valueOf(pz), Float.valueOf(pzero)); - assertTrue(!Float.valueOf(pz).equals(Float.valueOf(nzero))); - - assertTrue(!Float.valueOf(nz).equals(Float.valueOf(pz))); - assertEquals(Float.valueOf(nz), Float.valueOf(nz)); - assertTrue(!Float.valueOf(nz).equals(Float.valueOf(pzero))); - assertEquals(Float.valueOf(nz), Float.valueOf(nzero)); - - assertEquals(Float.valueOf(pzero), Float.valueOf(pz)); - assertTrue(!Float.valueOf(pzero).equals(Float.valueOf(nz))); - assertEquals(Float.valueOf(pzero), Float.valueOf(pzero)); - assertTrue(!Float.valueOf(pzero).equals(Float.valueOf(nzero))); - - assertTrue(!Float.valueOf(nzero).equals(Float.valueOf(pz))); - assertEquals(Float.valueOf(nzero), Float.valueOf(nz)); - assertTrue(!Float.valueOf(nzero).equals(Float.valueOf(pzero))); - assertEquals(Float.valueOf(nzero), Float.valueOf(nzero)); - - // Nan's compare as equal - Float sqrtm2 = Float.valueOf((float) Math.sqrt(-2.0f)); - Float sqrtm3 = Float.valueOf((float) Math.sqrt(-3.0f)); - assertEquals(sqrtm2, sqrtm3); - } - - @SmallTest - public void testDouble() throws Exception { - double pz = 0.0; - double nz = -0.0; - - double pzero = 1.0 / Double.POSITIVE_INFINITY; - double nzero = 1.0 / Double.NEGATIVE_INFINITY; - - // Everything compares as '==' - assertTrue(pz == pz); - assertTrue(pz == nz); - assertTrue(pz == pzero); - assertTrue(pz == nzero); - - assertTrue(nz == pz); - assertTrue(nz == nz); - assertTrue(nz == pzero); - assertTrue(nz == nzero); - - assertTrue(pzero == pz); - assertTrue(pzero == nz); - assertTrue(pzero == pzero); - assertTrue(pzero == nzero); - - assertTrue(nzero == pz); - assertTrue(nzero == nz); - assertTrue(nzero == pzero); - assertTrue(nzero == nzero); - - // +-0 are distinct as Doubles - assertEquals(Double.valueOf(pz), Double.valueOf(pz)); - assertTrue(!Double.valueOf(pz).equals(Double.valueOf(nz))); - assertEquals(Double.valueOf(pz), Double.valueOf(pzero)); - assertTrue(!Double.valueOf(pz).equals(Double.valueOf(nzero))); - - assertTrue(!Double.valueOf(nz).equals(Double.valueOf(pz))); - assertEquals(Double.valueOf(nz), Double.valueOf(nz)); - assertTrue(!Double.valueOf(nz).equals(Double.valueOf(pzero))); - assertEquals(Double.valueOf(nz), Double.valueOf(nzero)); - - assertEquals(Double.valueOf(pzero), Double.valueOf(pz)); - assertTrue(!Double.valueOf(pzero).equals(Double.valueOf(nz))); - assertEquals(Double.valueOf(pzero), Double.valueOf(pzero)); - assertTrue(!Double.valueOf(pzero).equals(Double.valueOf(nzero))); - - assertTrue(!Double.valueOf(nzero).equals(Double.valueOf(pz))); - assertEquals(Double.valueOf(nzero), Double.valueOf(nz)); - assertTrue(!Double.valueOf(nzero).equals(Double.valueOf(pzero))); - assertEquals(Double.valueOf(nzero), Double.valueOf(nzero)); - - // Nan's compare as equal - Double sqrtm2 = Double.valueOf(Math.sqrt(-2.0)); - Double sqrtm3 = Double.valueOf(Math.sqrt(-3.0)); - assertEquals(sqrtm2, sqrtm3); - } -} |