From 2094a1aa099c8a6614bf3dd27dcca04c87ec1a6c Mon Sep 17 00:00:00 2001 From: "Brian S. O'Neill" Date: Sun, 1 Apr 2007 00:00:07 +0000 Subject: Move Storable code generation support to separate package. --- .../carbonado/info/TestConversionComparator.java | 177 +++++++++++++++++++++ 1 file changed, 177 insertions(+) create mode 100644 src/test/java/com/amazon/carbonado/info/TestConversionComparator.java (limited to 'src/test/java/com/amazon/carbonado/info') diff --git a/src/test/java/com/amazon/carbonado/info/TestConversionComparator.java b/src/test/java/com/amazon/carbonado/info/TestConversionComparator.java new file mode 100644 index 0000000..a4e5614 --- /dev/null +++ b/src/test/java/com/amazon/carbonado/info/TestConversionComparator.java @@ -0,0 +1,177 @@ +/* + * Copyright 2006 Amazon Technologies, Inc. or its affiliates. + * Amazon, Amazon.com and Carbonado are trademarks or registered trademarks + * of Amazon Technologies, Inc. or its affiliates. All rights reserved. + * + * 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 com.amazon.carbonado.info; + +import junit.framework.TestCase; +import junit.framework.TestSuite; + +/** + * Test cases for {@link ConversionComparator}. + * + * @author Brian S O'Neill + */ +public class TestConversionComparator extends TestCase { + private static final int BOOLEAN_CODE = 0; + private static final int BYTE_CODE = 1; + private static final int SHORT_CODE = 2; + private static final int CHAR_CODE = 3; + private static final int INT_CODE = 4; + private static final int FLOAT_CODE = 5; + private static final int LONG_CODE = 6; + private static final int DOUBLE_CODE = 7; + + private static final Class[] PRIMITIVE_CLASSES = { + boolean.class, byte.class, short.class, char.class, + int.class, float.class, long.class, double.class + }; + + private static final Class[] BOXED_PRIMITIVE_CLASSES = { + Boolean.class, Byte.class, Short.class, Character.class, + Integer.class, Float.class, Long.class, Double.class + }; + + // States which primitive conversions are allowed. + private static final boolean[][] PRIMITIVE_MATRIX = { + // from... + // boolean byte short char int float long double + { true, false, false, false, false, false, false, false }, // to boolean + { false, true, false, false, false, false, false, false }, // to byte + { false, true, true, false, false, false, false, false }, // to short + { false, false, false, true, false, false, false, false }, // to char + { false, true, true, false, true, false, false, false }, // to int + { false, true, true, false, false, true, false, false }, // to float + { false, true, true, false, true, false, true, false }, // to long + { false, true, true, false, true, true, false, true }, // to double + }; + + public static void main(String[] args) { + junit.textui.TestRunner.run(suite()); + } + + public static TestSuite suite() { + return new TestSuite(TestConversionComparator.class); + } + + public TestConversionComparator(String name) { + super(name); + } + + public void test_isConversionPossible_basics() { + ConversionComparator cc = new ConversionComparator(Object.class); + assertEquals(true, cc.isConversionPossible(Object.class)); + assertEquals(false, cc.isConversionPossible(String.class)); + assertEquals(false, cc.isConversionPossible(boolean.class)); + assertEquals(false, cc.isConversionPossible(Integer.class)); + assertEquals(false, cc.isConversionPossible(int.class)); + + cc = new ConversionComparator(String.class); + assertEquals(true, cc.isConversionPossible(Object.class)); + assertEquals(true, cc.isConversionPossible(String.class)); + assertEquals(false, cc.isConversionPossible(boolean.class)); + assertEquals(false, cc.isConversionPossible(Integer.class)); + assertEquals(false, cc.isConversionPossible(int.class)); + + cc = new ConversionComparator(boolean.class); + assertEquals(true, cc.isConversionPossible(Object.class)); + assertEquals(false, cc.isConversionPossible(String.class)); + assertEquals(true, cc.isConversionPossible(boolean.class)); + assertEquals(false, cc.isConversionPossible(Integer.class)); + assertEquals(false, cc.isConversionPossible(int.class)); + + cc = new ConversionComparator(Integer.class); + assertEquals(true, cc.isConversionPossible(Object.class)); + assertEquals(false, cc.isConversionPossible(String.class)); + assertEquals(false, cc.isConversionPossible(boolean.class)); + assertEquals(true, cc.isConversionPossible(Integer.class)); + assertEquals(true, cc.isConversionPossible(int.class)); + + cc = new ConversionComparator(int.class); + assertEquals(true, cc.isConversionPossible(Object.class)); + assertEquals(false, cc.isConversionPossible(String.class)); + assertEquals(false, cc.isConversionPossible(boolean.class)); + assertEquals(true, cc.isConversionPossible(Integer.class)); + assertEquals(true, cc.isConversionPossible(int.class)); + } + + public void test_isConversionPossible_primitives() { + test_isConversionPossible_primitives(false, false); + test_isConversionPossible_primitives(false, true); + test_isConversionPossible_primitives(true, false); + test_isConversionPossible_primitives(true, true); + } + + private void test_isConversionPossible_primitives(boolean fromBoxed, boolean toBoxed) { + for (int fromCode = BOOLEAN_CODE; fromCode <= DOUBLE_CODE; fromCode++) { + ConversionComparator cc = new ConversionComparator + (fromBoxed ? BOXED_PRIMITIVE_CLASSES[fromCode] : PRIMITIVE_CLASSES[fromCode]); + for (int toCode = BOOLEAN_CODE; toCode <= DOUBLE_CODE; toCode++) { + boolean expected = PRIMITIVE_MATRIX[toCode][fromCode]; + Class toType = toBoxed ? BOXED_PRIMITIVE_CLASSES[toCode] : PRIMITIVE_CLASSES[toCode]; + assertEquals(expected, cc.isConversionPossible(toType)); + } + } + } + + public void test_compare() { + ConversionComparator cc = new ConversionComparator(Object.class); + assertEquals(true, cc.compare(Object.class, String.class) < 0); + assertEquals(true, cc.compare(String.class, Object.class) > 0); + assertEquals(0, cc.compare(Object.class, Object.class)); + assertEquals(0, cc.compare(String.class, String.class)); + assertEquals(0, cc.compare(String.class, String.class)); + assertEquals(0, cc.compare(int.class, Number.class)); + + cc = new ConversionComparator(String.class); + assertEquals(true, cc.compare(String.class, Object.class) < 0); + assertEquals(true, cc.compare(Object.class, String.class) > 0); + assertEquals(0, cc.compare(String.class, String.class)); + assertEquals(true, cc.compare(int.class, String.class) > 0); + + cc = new ConversionComparator(Integer.class); + assertEquals(true, cc.compare(String.class, Object.class) > 0); + assertEquals(true, cc.compare(Object.class, String.class) < 0); + assertEquals(true, cc.compare(Object.class, Number.class) > 0); + assertEquals(true, cc.compare(Integer.class, Number.class) < 0); + assertEquals(true, cc.compare(int.class, Number.class) > 0); + assertEquals(true, cc.compare(long.class, Number.class) > 0); + assertEquals(true, cc.compare(long.class, Long.class) < 0); + + cc = new ConversionComparator(int.class); + assertEquals(true, cc.compare(String.class, Object.class) > 0); + assertEquals(true, cc.compare(Object.class, String.class) < 0); + assertEquals(true, cc.compare(Object.class, Number.class) > 0); + assertEquals(true, cc.compare(Integer.class, Number.class) < 0); + assertEquals(true, cc.compare(int.class, Number.class) < 0); + assertEquals(true, cc.compare(long.class, Number.class) < 0); + assertEquals(true, cc.compare(long.class, Long.class) < 0); + + cc = new ConversionComparator(Byte.class); + assertEquals(true, cc.compare(int.class, Number.class) > 0); + assertEquals(true, cc.compare(long.class, Number.class) > 0); + assertEquals(true, cc.compare(long.class, Integer.class) < 0); + + cc = new ConversionComparator(byte.class); + assertEquals(true, cc.compare(short.class, int.class) < 0); + assertEquals(true, cc.compare(long.class, int.class) > 0); + + cc = new ConversionComparator(java.util.Date.class); + assertEquals(true, cc.compare(Object.class, Comparable.class) > 0); + assertEquals(0, cc.compare(java.io.Serializable.class, Comparable.class)); + } +} -- cgit v1.2.3