Added advanced conversion capability when setting query filter properties. This is used to ensure that BigDecimal values are properly normalized.

1 files changed, 177 insertions, 0 deletions

diff --git a/src/test/java/com/amazon/carbonado/util/TestConversionComparator.java b/src/test/java/com/amazon/carbonado/util/TestConversionComparator.java
new file mode 100644
index 0000000..bb4cb7f
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+++ b/src/test/java/com/amazon/carbonado/util/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.util;

+

+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));

+    }

+}