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ByteArray tests

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catbref 2019-09-26 17:25:39 +01:00
parent 14e9ae8887
commit c889e95da4
1 changed files with 59 additions and 4 deletions
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63
src/test/java/org/qora/test/ByteArrayTests.java
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@ -28,13 +28,19 @@ public class ByteArrayTests {
}
}
public void fillMap(Map<ByteArray, String> map) {
private void fillMap(Map<ByteArray, String> map) {
for (byte[] testValue : testValues)
map.put(new ByteArray(testValue), String.valueOf(map.size()));
}
private byte[] dup(byte[] value) {
byte[] copiedValue = new byte[value.length];
System.arraycopy(value, 0, copiedValue, 0, copiedValue.length);
return copiedValue;
}
@Test
public void testByteArray() {
public void testSameContentReference() {
// Create two objects, which will have different references, but same content.
byte[] testValue = testValues.get(0);
ByteArray ba1 = new ByteArray(testValue);
@ -52,15 +58,64 @@ public class ByteArrayTests {
}
@Test
public void testByteArrayMap() {
public void testSameContentValue() {
// Create two objects, which will have different references, but same content.
byte[] testValue = testValues.get(0);
ByteArray ba1 = new ByteArray(testValue);
byte[] copiedValue = dup(testValue);
ByteArray ba2 = new ByteArray(copiedValue);
// Confirm JVM-assigned references are different
assertNotSame(ba1, ba2);
// Confirm "equals" works as intended
assertTrue("equals did not return true", ba1.equals(ba2));
assertEquals("ba1 not equal to ba2", ba1, ba2);
// Confirm "hashCode" results match
assertEquals("hashCodes do not match", ba1.hashCode(), ba2.hashCode());
}
@Test
public void testCompareBoxedWithPrimitive() {
byte[] testValue = testValues.get(0);
ByteArray ba1 = new ByteArray(testValue);
byte[] copiedValue = dup(testValue);
// Confirm "equals" works as intended
assertTrue("equals did not return true", ba1.equals(copiedValue));
assertEquals("boxed not equal to primitive", ba1, copiedValue);
}
@Test
public void testMapContainsKey() {
Map<ByteArray, String> testMap = new HashMap<>();
fillMap(testMap);
// Create new ByteArray object with an existing value.
ByteArray ba = new ByteArray(testValues.get(3));
byte[] copiedValue = dup(testValues.get(3));
ByteArray ba = new ByteArray(copiedValue);
// Confirm object can be found in map
assertTrue("ByteArray not found in map", testMap.containsKey(ba));
assertTrue("boxed not equal to primitive", ba.equals(copiedValue));
// This won't work because copiedValue.hashCode() will not match ba.hashCode()
assertFalse("Primitive shouldn't be found in map", testMap.containsKey(copiedValue));
}
@Test
public void debugBoxedVersusPrimitive() {
byte[] testValue = testValues.get(0);
ByteArray ba1 = new ByteArray(testValue);
byte[] copiedValue = dup(testValue);
System.out.println(String.format("Boxed hashCode: 0x%08x", ba1.hashCode()));
System.out.println(String.format("Primitive hashCode: 0x%08x", copiedValue.hashCode()));
}
}