/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.harmony.tests.java.lang;
import junit.framework.TestCase;
public class ByteTest extends TestCase {
/**
* java.lang.Byte#valueOf(byte)
*/
public void test_valueOfB() {
assertEquals(new Byte(Byte.MIN_VALUE), Byte.valueOf(Byte.MIN_VALUE));
assertEquals(new Byte(Byte.MAX_VALUE), Byte.valueOf(Byte.MAX_VALUE));
assertEquals(new Byte((byte) 0), Byte.valueOf((byte) 0));
byte b = Byte.MIN_VALUE + 1;
while (b < Byte.MAX_VALUE) {
assertEquals(new Byte(b), Byte.valueOf(b));
assertSame(Byte.valueOf(b), Byte.valueOf(b));
b++;
}
}
/**
* java.lang.Byte#hashCode()
*/
public void test_hashCode() {
assertEquals(1, new Byte((byte) 1).hashCode());
assertEquals(2, new Byte((byte) 2).hashCode());
assertEquals(0, new Byte((byte) 0).hashCode());
assertEquals(-1, new Byte((byte) -1).hashCode());
}
/**
* java.lang.Byte#Byte(String)
*/
public void test_ConstructorLjava_lang_String() {
assertEquals(new Byte((byte) 0), new Byte("0"));
assertEquals(new Byte((byte) 1), new Byte("1"));
assertEquals(new Byte((byte) -1), new Byte("-1"));
try {
new Byte("0x1");
fail("Expected NumberFormatException with hex string.");
} catch (NumberFormatException e) {
}
try {
new Byte("9.2");
fail("Expected NumberFormatException with floating point string.");
} catch (NumberFormatException e) {
}
try {
new Byte("");
fail("Expected NumberFormatException with empty string.");
} catch (NumberFormatException e) {
}
try {
new Byte(null);
fail("Expected NumberFormatException with null string.");
} catch (NumberFormatException e) {
}
}
/**
* java.lang.Byte#Byte(byte)
*/
public void test_ConstructorB() {
assertEquals(1, new Byte((byte) 1).byteValue());
assertEquals(2, new Byte((byte) 2).byteValue());
assertEquals(0, new Byte((byte) 0).byteValue());
assertEquals(-1, new Byte((byte) -1).byteValue());
}
/**
* java.lang.Byte#byteValue()
*/
public void test_booleanValue() {
assertEquals(1, new Byte((byte) 1).byteValue());
assertEquals(2, new Byte((byte) 2).byteValue());
assertEquals(0, new Byte((byte) 0).byteValue());
assertEquals(-1, new Byte((byte) -1).byteValue());
}
/**
* java.lang.Byte#equals(Object)
*/
public void test_equalsLjava_lang_Object() {
assertEquals(new Byte((byte) 0), Byte.valueOf((byte) 0));
assertEquals(new Byte((byte) 1), Byte.valueOf((byte) 1));
assertEquals(new Byte((byte) -1), Byte.valueOf((byte) -1));
Byte fixture = new Byte((byte) 25);
assertEquals(fixture, fixture);
assertFalse(fixture.equals(null));
assertFalse(fixture.equals("Not a Byte"));
}
/**
* java.lang.Byte#toString()
*/
public void test_toString() {
assertEquals("-1", new Byte((byte) -1).toString());
assertEquals("0", new Byte((byte) 0).toString());
assertEquals("1", new Byte((byte) 1).toString());
assertEquals("-1", new Byte((byte) 0xFF).toString());
}
/**
* java.lang.Byte#toString(byte)
*/
public void test_toStringB() {
assertEquals("-1", Byte.toString((byte) -1));
assertEquals("0", Byte.toString((byte) 0));
assertEquals("1", Byte.toString((byte) 1));
assertEquals("-1", Byte.toString((byte) 0xFF));
}
/**
* java.lang.Byte#valueOf(String)
*/
public void test_valueOfLjava_lang_String() {
assertEquals(new Byte((byte) 0), Byte.valueOf("0"));
assertEquals(new Byte((byte) 1), Byte.valueOf("1"));
assertEquals(new Byte((byte) -1), Byte.valueOf("-1"));
try {
Byte.valueOf("0x1");
fail("Expected NumberFormatException with hex string.");
} catch (NumberFormatException e) {
}
try {
Byte.valueOf("9.2");
fail("Expected NumberFormatException with floating point string.");
} catch (NumberFormatException e) {
}
try {
Byte.valueOf("");
fail("Expected NumberFormatException with empty string.");
} catch (NumberFormatException e) {
}
try {
Byte.valueOf(null);
fail("Expected NumberFormatException with null string.");
} catch (NumberFormatException e) {
}
}
/**
* java.lang.Byte#valueOf(String, int)
*/
public void test_valueOfLjava_lang_StringI() {
assertEquals(new Byte((byte) 0), Byte.valueOf("0", 10));
assertEquals(new Byte((byte) 1), Byte.valueOf("1", 10));
assertEquals(new Byte((byte) -1), Byte.valueOf("-1", 10));
//must be consistent with Character.digit()
assertEquals(Character.digit('1', 2), Byte.valueOf("1", 2).byteValue());
assertEquals(Character.digit('F', 16), Byte.valueOf("F", 16).byteValue());
try {
Byte.valueOf("0x1", 10);
fail("Expected NumberFormatException with hex string.");
} catch (NumberFormatException e) {
}
try {
Byte.valueOf("9.2", 10);
fail("Expected NumberFormatException with floating point string.");
} catch (NumberFormatException e) {
}
try {
Byte.valueOf("", 10);
fail("Expected NumberFormatException with empty string.");
} catch (NumberFormatException e) {
}
try {
Byte.valueOf(null, 10);
fail("Expected NumberFormatException with null string.");
} catch (NumberFormatException e) {
}
}
/**
* java.lang.Byte#parseByte(String)
*/
public void test_parseByteLjava_lang_String() {
assertEquals(0, Byte.parseByte("0"));
assertEquals(1, Byte.parseByte("1"));
assertEquals(-1, Byte.parseByte("-1"));
try {
Byte.parseByte("0x1");
fail("Expected NumberFormatException with hex string.");
} catch (NumberFormatException e) {
}
try {
Byte.parseByte("9.2");
fail("Expected NumberFormatException with floating point string.");
} catch (NumberFormatException e) {
}
try {
Byte.parseByte("");
fail("Expected NumberFormatException with empty string.");
} catch (NumberFormatException e) {
}
try {
Byte.parseByte(null);
fail("Expected NumberFormatException with null string.");
} catch (NumberFormatException e) {
}
}
/**
* java.lang.Byte#parseByte(String, int)
*/
public void test_parseByteLjava_lang_StringI() {
assertEquals(0, Byte.parseByte("0", 10));
assertEquals(1, Byte.parseByte("1", 10));
assertEquals(-1, Byte.parseByte("-1", 10));
//must be consistent with Character.digit()
assertEquals(Character.digit('1', 2), Byte.parseByte("1", 2));
assertEquals(Character.digit('F', 16), Byte.parseByte("F", 16));
try {
Byte.parseByte("0x1", 10);
fail("Expected NumberFormatException with hex string.");
} catch (NumberFormatException e) {
}
try {
Byte.parseByte("9.2", 10);
fail("Expected NumberFormatException with floating point string.");
} catch (NumberFormatException e) {
}
try {
Byte.parseByte("", 10);
fail("Expected NumberFormatException with empty string.");
} catch (NumberFormatException e) {
}
try {
Byte.parseByte(null, 10);
fail("Expected NumberFormatException with null string.");
} catch (NumberFormatException e) {
}
}
/**
* java.lang.Byte#decode(String)
*/
public void test_decodeLjava_lang_String() {
assertEquals(new Byte((byte) 0), Byte.decode("0"));
assertEquals(new Byte((byte) 1), Byte.decode("1"));
assertEquals(new Byte((byte) -1), Byte.decode("-1"));
assertEquals(new Byte((byte) 0xF), Byte.decode("0xF"));
assertEquals(new Byte((byte) 0xF), Byte.decode("#F"));
assertEquals(new Byte((byte) 0xF), Byte.decode("0XF"));
assertEquals(new Byte((byte) 07), Byte.decode("07"));
try {
Byte.decode("9.2");
fail("Expected NumberFormatException with floating point string.");
} catch (NumberFormatException e) {
}
try {
Byte.decode("");
fail("Expected NumberFormatException with empty string.");
} catch (NumberFormatException e) {
}
try {
Byte.decode(null);
//undocumented NPE, but seems consistent across JREs
fail("Expected NullPointerException with null string.");
} catch (NullPointerException e) {
}
}
/**
* java.lang.Byte#doubleValue()
*/
public void test_doubleValue() {
assertEquals(-1D, new Byte((byte) -1).doubleValue(), 0D);
assertEquals(0D, new Byte((byte) 0).doubleValue(), 0D);
assertEquals(1D, new Byte((byte) 1).doubleValue(), 0D);
}
/**
* java.lang.Byte#floatValue()
*/
public void test_floatValue() {
assertEquals(-1F, new Byte((byte) -1).floatValue(), 0F);
assertEquals(0F, new Byte((byte) 0).floatValue(), 0F);
assertEquals(1F, new Byte((byte) 1).floatValue(), 0F);
}
/**
* java.lang.Byte#intValue()
*/
public void test_intValue() {
assertEquals(-1, new Byte((byte) -1).intValue());
assertEquals(0, new Byte((byte) 0).intValue());
assertEquals(1, new Byte((byte) 1).intValue());
}
/**
* java.lang.Byte#longValue()
*/
public void test_longValue() {
assertEquals(-1L, new Byte((byte) -1).longValue());
assertEquals(0L, new Byte((byte) 0).longValue());
assertEquals(1L, new Byte((byte) 1).longValue());
}
/**
* java.lang.Byte#shortValue()
*/
public void test_shortValue() {
assertEquals(-1, new Byte((byte) -1).shortValue());
assertEquals(0, new Byte((byte) 0).shortValue());
assertEquals(1, new Byte((byte) 1).shortValue());
}
/**
* java.lang.Byte#compareTo(Byte)
*/
public void test_compareToLjava_lang_Byte() {
final Byte min = new Byte(Byte.MIN_VALUE);
final Byte zero = new Byte((byte) 0);
final Byte max = new Byte(Byte.MAX_VALUE);
assertTrue(max.compareTo(max) == 0);
assertTrue(min.compareTo(min) == 0);
assertTrue(zero.compareTo(zero) == 0);
assertTrue(max.compareTo(zero) > 0);
assertTrue(max.compareTo(min) > 0);
assertTrue(zero.compareTo(max) < 0);
assertTrue(zero.compareTo(min) > 0);
assertTrue(min.compareTo(zero) < 0);
assertTrue(min.compareTo(max) < 0);
try {
min.compareTo(null);
fail("No NPE");
} catch (NullPointerException e) {
}
}
/**
* java.lang.Byte#Byte(byte)
*/
public void test_ConstructorB2() {
// Test for method java.lang.Byte(byte)
Byte b = new Byte((byte) 127);
assertTrue("Byte creation failed", b.byteValue() == (byte) 127);
}
/**
* java.lang.Byte#Byte(java.lang.String)
*/
public void test_ConstructorLjava_lang_String2() {
// Test for method java.lang.Byte(java.lang.String)
Byte b = new Byte("127");
Byte nb = new Byte("-128");
assertTrue("Incorrect Byte Object created", b.byteValue() == (byte) 127
&& (nb.byteValue() == (byte) -128));
}
/**
* java.lang.Byte#byteValue()
*/
public void test_byteValue() {
// Test for method byte java.lang.Byte.byteValue()
assertTrue("Returned incorrect byte value",
new Byte((byte) 127).byteValue() == (byte) (127));
}
/**
* java.lang.Byte#compareTo(java.lang.Byte)
*/
public void test_compareToLjava_lang_Byte2() {
// Test for method int java.lang.Byte.compareTo(java.lang.Byte)
assertTrue("Comparison failed", new Byte((byte) 1).compareTo(new Byte((byte) 2)) < 0);
assertTrue("Comparison failed", new Byte((byte) 1).compareTo(new Byte((byte) -2)) > 0);
assertEquals("Comparison failed", 0, new Byte((byte) 1).compareTo(new Byte((byte) 1)));
}
/**
* java.lang.Byte#decode(java.lang.String)
*/
public void test_decodeLjava_lang_String2() {
// Test for method java.lang.Byte
// java.lang.Byte.decode(java.lang.String)
assertTrue("String decoded incorrectly, wanted: 1 got: " + Byte.decode("1").toString(),
Byte.decode("1").equals(new Byte((byte) 1)));
assertTrue("String decoded incorrectly, wanted: -1 got: "
+ Byte.decode("-1").toString(), Byte.decode("-1").equals(new Byte((byte) -1)));
assertTrue("String decoded incorrectly, wanted: 127 got: "
+ Byte.decode("127").toString(), Byte.decode("127")
.equals(new Byte((byte) 127)));
assertTrue("String decoded incorrectly, wanted: -128 got: "
+ Byte.decode("-128").toString(), Byte.decode("-128").equals(
new Byte((byte) -128)));
assertTrue("String decoded incorrectly, wanted: 127 got: "
+ Byte.decode("0x7f").toString(), Byte.decode("0x7f").equals(
new Byte((byte) 127)));
assertTrue("String decoded incorrectly, wanted: -128 got: "
+ Byte.decode("-0x80").toString(), Byte.decode("-0x80").equals(
new Byte((byte) -128)));
boolean exception = false;
try {
Byte.decode("128");
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception for MAX_VALUE + 1", exception);
exception = false;
try {
Byte.decode("-129");
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception for MIN_VALUE - 1", exception);
exception = false;
try {
Byte.decode("0x80");
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception for hex MAX_VALUE + 1", exception);
exception = false;
try {
Byte.decode("-0x81");
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception for hex MIN_VALUE - 1", exception);
}
/**
* java.lang.Byte#doubleValue()
*/
public void test_doubleValue2() {
assertEquals(127D, new Byte((byte) 127).doubleValue(), 0.0);
}
/**
* java.lang.Byte#equals(java.lang.Object)
*/
public void test_equalsLjava_lang_Object2() {
// Test for method boolean java.lang.Byte.equals(java.lang.Object)
Byte b1 = new Byte((byte) 90);
Byte b2 = new Byte((byte) 90);
Byte b3 = new Byte((byte) -90);
assertTrue("Equality test failed", b1.equals(b2));
assertTrue("Equality test failed", !b1.equals(b3));
}
/**
* java.lang.Byte#floatValue()
*/
public void test_floatValue2() {
assertEquals(127F, new Byte((byte) 127).floatValue(), 0.0);
}
/**
* java.lang.Byte#hashCode()
*/
public void test_hashCode2() {
// Test for method int java.lang.Byte.hashCode()
assertEquals("Incorrect hash returned", 127, new Byte((byte) 127).hashCode());
}
/**
* java.lang.Byte#intValue()
*/
public void test_intValue2() {
// Test for method int java.lang.Byte.intValue()
assertEquals("Returned incorrect int value", 127, new Byte((byte) 127).intValue());
}
/**
* java.lang.Byte#longValue()
*/
public void test_longValue2() {
// Test for method long java.lang.Byte.longValue()
assertEquals("Returned incorrect long value", 127L, new Byte((byte) 127).longValue());
}
/**
* java.lang.Byte#parseByte(java.lang.String)
*/
public void test_parseByteLjava_lang_String2() {
assertEquals((byte) 127, Byte.parseByte("127"));
assertEquals((byte) -128, Byte.parseByte("-128"));
assertEquals((byte) 0, Byte.parseByte("0"));
assertEquals((byte) 0x80, Byte.parseByte("-128"));
assertEquals((byte) 0x7F, Byte.parseByte("127"));
try {
Byte.parseByte("-1000");
fail("No NumberFormatException");
} catch (NumberFormatException e) {
}
try {
Byte.parseByte("128");
fail("No NumberFormatException");
} catch (NumberFormatException e) {
}
try {
Byte.parseByte("-129");
fail("No NumberFormatException");
} catch (NumberFormatException e) {
}
}
/**
* java.lang.Byte#parseByte(java.lang.String, int)
*/
public void test_parseByteLjava_lang_StringI2() {
// Test for method byte java.lang.Byte.parseByte(java.lang.String, int)
byte b = Byte.parseByte("127", 10);
byte bn = Byte.parseByte("-128", 10);
assertTrue("Invalid parse of dec byte", b == (byte) 127 && (bn == (byte) -128));
assertEquals("Failed to parse hex value", 10, Byte.parseByte("A", 16));
assertEquals("Returned incorrect value for 0 hex", 0, Byte.parseByte("0", 16));
assertTrue("Returned incorrect value for most negative value hex", Byte.parseByte(
"-80", 16) == (byte) 0x80);
assertTrue("Returned incorrect value for most positive value hex", Byte.parseByte("7f",
16) == 0x7f);
assertEquals("Returned incorrect value for 0 decimal", 0, Byte.parseByte("0", 10));
assertTrue("Returned incorrect value for most negative value decimal", Byte.parseByte(
"-128", 10) == (byte) 0x80);
assertTrue("Returned incorrect value for most positive value decimal", Byte.parseByte(
"127", 10) == 0x7f);
try {
Byte.parseByte("-1000", 10);
fail("Failed to throw exception");
} catch (NumberFormatException e) {
}
try {
Byte.parseByte("128", 10);
fail("Failed to throw exception for MAX_VALUE + 1");
} catch (NumberFormatException e) {
}
try {
Byte.parseByte("-129", 10);
fail("Failed to throw exception for MIN_VALUE - 1");
} catch (NumberFormatException e) {
}
try {
Byte.parseByte("80", 16);
fail("Failed to throw exception for hex MAX_VALUE + 1");
} catch (NumberFormatException e) {
}
try {
Byte.parseByte("-81", 16);
fail("Failed to throw exception for hex MIN_VALUE + 1");
} catch (NumberFormatException e) {
}
}
/**
* java.lang.Byte#shortValue()
*/
public void test_shortValue2() {
assertEquals((short) 127, new Byte((byte) 127).shortValue());
}
/**
* java.lang.Byte#toString()
*/
public void test_toString2() {
assertEquals("Returned incorrect String", "127", new Byte((byte) 127).toString());
assertEquals("Returned incorrect String", "-127", new Byte((byte) -127).toString());
assertEquals("Returned incorrect String", "-128", new Byte((byte) -128).toString());
}
/**
* java.lang.Byte#toString(byte)
*/
public void test_toStringB2() {
assertEquals("Returned incorrect String", "127", Byte.toString((byte) 127));
assertEquals("Returned incorrect String", "-127", Byte.toString((byte) -127));
assertEquals("Returned incorrect String", "-128", Byte.toString((byte) -128));
}
/**
* java.lang.Byte#valueOf(java.lang.String)
*/
public void test_valueOfLjava_lang_String2() {
assertEquals("Returned incorrect byte", 0, Byte.valueOf("0").byteValue());
assertEquals("Returned incorrect byte", 127, Byte.valueOf("127").byteValue());
assertEquals("Returned incorrect byte", -127, Byte.valueOf("-127").byteValue());
assertEquals("Returned incorrect byte", -128, Byte.valueOf("-128").byteValue());
try {
Byte.valueOf("128");
fail("Failed to throw exception when passes value > byte");
} catch (NumberFormatException e) {
}
}
/**
* java.lang.Byte#valueOf(java.lang.String, int)
*/
public void test_valueOfLjava_lang_StringI2() {
assertEquals("Returned incorrect byte", 10, Byte.valueOf("A", 16).byteValue());
assertEquals("Returned incorrect byte", 127, Byte.valueOf("127", 10).byteValue());
assertEquals("Returned incorrect byte", -127, Byte.valueOf("-127", 10).byteValue());
assertEquals("Returned incorrect byte", -128, Byte.valueOf("-128", 10).byteValue());
assertEquals("Returned incorrect byte", 127, Byte.valueOf("7f", 16).byteValue());
assertEquals("Returned incorrect byte", -127, Byte.valueOf("-7f", 16).byteValue());
assertEquals("Returned incorrect byte", -128, Byte.valueOf("-80", 16).byteValue());
try {
Byte.valueOf("128", 10);
fail("Failed to throw exception when passes value > byte");
} catch (NumberFormatException e) {
}
}
}