/* 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.luni.tests.java.lang;
import dalvik.annotation.TestTargets;
import dalvik.annotation.TestLevel;
import dalvik.annotation.TestTargetNew;
import dalvik.annotation.TestTargetClass;
import junit.framework.TestCase;
import java.util.Properties;
@TestTargetClass(Integer.class)
public class IntegerTest extends TestCase {
private Properties orgProps;
@Override
protected void setUp() {
orgProps = System.getProperties();
}
@Override
protected void tearDown() {
System.setProperties(orgProps);
}
/**
* @tests java.lang.Integer#byteValue()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "byteValue",
args = {}
)
public void test_byteValue() {
// Test for method byte java.lang.Integer.byteValue()
assertEquals("Returned incorrect byte value", -1, new Integer(65535)
.byteValue());
assertEquals("Returned incorrect byte value", 127, new Integer(127)
.byteValue());
}
/**
* @tests java.lang.Integer#compareTo(java.lang.Integer)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "compareTo",
args = {java.lang.Integer.class}
)
public void test_compareToLjava_lang_Integer() {
// Test for method int java.lang.Integer.compareTo(java.lang.Integer)
assertTrue("-2 compared to 1 gave non-negative answer", new Integer(-2)
.compareTo(new Integer(1)) < 0);
assertEquals("-2 compared to -2 gave non-zero answer", 0, new Integer(-2)
.compareTo(new Integer(-2)));
assertTrue("3 compared to 2 gave non-positive answer", new Integer(3)
.compareTo(new Integer(2)) > 0);
try {
new Integer(0).compareTo(null);
fail("No NPE");
} catch (NullPointerException e) {
}
}
/**
* @tests java.lang.Integer#decode(java.lang.String)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "decode",
args = {java.lang.String.class}
)
public void test_decodeLjava_lang_String2() {
// Test for method java.lang.Integer
// java.lang.Integer.decode(java.lang.String)
assertEquals("Failed for 132233",
132233, Integer.decode("132233").intValue());
assertEquals("Failed for 07654321",
07654321, Integer.decode("07654321").intValue());
assertTrue("Failed for #1234567",
Integer.decode("#1234567").intValue() == 0x1234567);
assertTrue("Failed for 0xdAd",
Integer.decode("0xdAd").intValue() == 0xdad);
assertEquals("Failed for -23", -23, Integer.decode("-23").intValue());
assertEquals("Returned incorrect value for 0 decimal", 0, Integer
.decode("0").intValue());
assertEquals("Returned incorrect value for 0 hex", 0, Integer.decode("0x0")
.intValue());
assertTrue("Returned incorrect value for most negative value decimal",
Integer.decode("-2147483648").intValue() == 0x80000000);
assertTrue("Returned incorrect value for most negative value hex",
Integer.decode("-0x80000000").intValue() == 0x80000000);
assertTrue("Returned incorrect value for most positive value decimal",
Integer.decode("2147483647").intValue() == 0x7fffffff);
assertTrue("Returned incorrect value for most positive value hex",
Integer.decode("0x7fffffff").intValue() == 0x7fffffff);
boolean exception = false;
try {
Integer.decode("0a");
} catch (NumberFormatException e) {
// correct
exception = true;
}
assertTrue("Failed to throw NumberFormatException for \"Oa\"",
exception);
exception = false;
try {
Integer.decode("2147483648");
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception for MAX_VALUE + 1", exception);
exception = false;
try {
Integer.decode("-2147483649");
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception for MIN_VALUE - 1", exception);
exception = false;
try {
Integer.decode("0x80000000");
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception for hex MAX_VALUE + 1", exception);
exception = false;
try {
Integer.decode("-0x80000001");
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception for hex MIN_VALUE - 1", exception);
exception = false;
try {
Integer.decode("9999999999");
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception for 9999999999", exception);
}
/**
* @tests java.lang.Integer#doubleValue()
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Checks integer's boundary values.",
method = "doubleValue",
args = {}
)
public void test_doubleValue2() {
// Test for method double java.lang.Integer.doubleValue()
assertEquals("Returned incorrect double value", 2147483647.0, new Integer(2147483647)
.doubleValue(), 0.0D);
assertEquals("Returned incorrect double value", -2147483647.0, new Integer(-2147483647)
.doubleValue(), 0.0D);
}
/**
* @tests java.lang.Integer#equals(java.lang.Object)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "equals",
args = {java.lang.Object.class}
)
public void test_equalsLjava_lang_Object2() {
// Test for method boolean java.lang.Integer.equals(java.lang.Object)
Integer i1 = new Integer(1000);
Integer i2 = new Integer(1000);
Integer i3 = new Integer(-1000);
assertTrue("Equality test failed", i1.equals(i2) && !(i1.equals(i3)));
}
/**
* @tests java.lang.Integer#floatValue()
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "",
method = "floatValue",
args = {}
)
public void test_floatValue2() {
// Test for method float java.lang.Integer.floatValue()
assertTrue("Returned incorrect float value", new Integer(65535)
.floatValue() == 65535.0f);
assertTrue("Returned incorrect float value", new Integer(-65535)
.floatValue() == -65535.0f);
}
/**
* @tests java.lang.Integer#getInteger(java.lang.String)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "getInteger",
args = {java.lang.String.class}
)
public void test_getIntegerLjava_lang_String() {
// Test for method java.lang.Integer
// java.lang.Integer.getInteger(java.lang.String)
Properties tProps = new Properties();
tProps.put("testInt", "99");
System.setProperties(tProps);
assertTrue("returned incorrect Integer", Integer.getInteger("testInt")
.equals(new Integer(99)));
assertNull("returned incorrect default Integer", Integer
.getInteger("ff"));
}
/**
* @tests java.lang.Integer#getInteger(java.lang.String, int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "getInteger",
args = {java.lang.String.class, int.class}
)
public void test_getIntegerLjava_lang_StringI() {
// Test for method java.lang.Integer
// java.lang.Integer.getInteger(java.lang.String, int)
Properties tProps = new Properties();
tProps.put("testInt", "99");
tProps.put("testIncInt", "notInt");
System.setProperties(tProps);
assertTrue("returned incorrect Integer", Integer.getInteger("testInt",
4).equals(new Integer(99)));
assertTrue("returned incorrect default Integer", Integer.getInteger(
"ff", 4).equals(new Integer(4)));
assertTrue("returned incorrect default Integer", Integer.getInteger(
"testIncInt", 4).equals(new Integer(4)));
}
/**
* @tests java.lang.Integer#getInteger(java.lang.String, java.lang.Integer)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "getInteger",
args = {java.lang.String.class, java.lang.Integer.class}
)
public void test_getIntegerLjava_lang_StringLjava_lang_Integer() {
// Test for method java.lang.Integer
// java.lang.Integer.getInteger(java.lang.String, java.lang.Integer)
Properties tProps = new Properties();
tProps.put("testInt", "99");
tProps.put("testIncInt", "notInt");
System.setProperties(tProps);
assertTrue("returned incorrect Integer", Integer.getInteger("testInt",
new Integer(4)).equals(new Integer(99)));
assertTrue("returned incorrect default Integer", Integer.getInteger(
"ff", new Integer(4)).equals(new Integer(4)));
assertTrue("returned incorrect default Integer", Integer.getInteger(
"testIncInt", new Integer(4)).equals(new Integer(4)));
}
/**
* @tests java.lang.Integer#hashCode()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "hashCode",
args = {}
)
public void test_hashCode2() {
// Test for method int java.lang.Integer.hashCode()
Integer i1 = new Integer(1000);
Integer i2 = new Integer(-1000);
assertTrue("Returned incorrect hashcode", i1.hashCode() == 1000
&& (i2.hashCode() == -1000));
}
/**
* @tests java.lang.Integer#intValue()
*/
@TestTargetNew(
level = TestLevel.PARTIAL,
notes = "Checks one value.",
method = "intValue",
args = {}
)
public void test_intValue2() {
// Test for method int java.lang.Integer.intValue()
Integer i = new Integer(8900);
assertEquals("Returned incorrect int value", 8900, i.intValue());
}
/**
* @tests java.lang.Integer#longValue()
*/
@TestTargetNew(
level = TestLevel.PARTIAL,
notes = "Checks one value.",
method = "longValue",
args = {}
)
public void test_longValue2() {
// Test for method long java.lang.Integer.longValue()
Integer i = new Integer(8900);
assertEquals("Returned incorrect long value", 8900L, i.longValue());
}
/**
* @tests java.lang.Integer#parseInt(java.lang.String)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "",
method = "parseInt",
args = {java.lang.String.class}
)
public void test_parseIntLjava_lang_String2() {
// Test for method int java.lang.Integer.parseInt(java.lang.String)
int i = Integer.parseInt("-8900");
assertEquals("Returned incorrect int", -8900, i);
assertEquals("Returned incorrect value for 0", 0, Integer.parseInt("0"));
assertTrue("Returned incorrect value for most negative value", Integer
.parseInt("-2147483648") == 0x80000000);
assertTrue("Returned incorrect value for most positive value", Integer
.parseInt("2147483647") == 0x7fffffff);
boolean exception = false;
try {
Integer.parseInt("999999999999");
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception for value > int", exception);
exception = false;
try {
Integer.parseInt("2147483648");
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception for MAX_VALUE + 1", exception);
exception = false;
try {
Integer.parseInt("-2147483649");
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception for MIN_VALUE - 1", exception);
}
/**
* @tests java.lang.Integer#parseInt(java.lang.String, int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "parseInt",
args = {java.lang.String.class, int.class}
)
public void test_parseIntLjava_lang_StringI2() {
// Test for method int java.lang.Integer.parseInt(java.lang.String, int)
assertEquals("Parsed dec val incorrectly",
-8000, Integer.parseInt("-8000", 10));
assertEquals("Parsed hex val incorrectly",
255, Integer.parseInt("FF", 16));
assertEquals("Parsed oct val incorrectly",
16, Integer.parseInt("20", 8));
assertEquals("Returned incorrect value for 0 hex", 0, Integer.parseInt("0",
16));
assertTrue("Returned incorrect value for most negative value hex",
Integer.parseInt("-80000000", 16) == 0x80000000);
assertTrue("Returned incorrect value for most positive value hex",
Integer.parseInt("7fffffff", 16) == 0x7fffffff);
assertEquals("Returned incorrect value for 0 decimal", 0, Integer.parseInt(
"0", 10));
assertTrue("Returned incorrect value for most negative value decimal",
Integer.parseInt("-2147483648", 10) == 0x80000000);
assertTrue("Returned incorrect value for most positive value decimal",
Integer.parseInt("2147483647", 10) == 0x7fffffff);
boolean exception = false;
try {
Integer.parseInt("FFFF", 10);
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue(
"Failed to throw exception when passes hex string and dec parm",
exception);
exception = false;
try {
Integer.parseInt("2147483648", 10);
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception for MAX_VALUE + 1", exception);
exception = false;
try {
Integer.parseInt("-2147483649", 10);
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception for MIN_VALUE - 1", exception);
exception = false;
try {
Integer.parseInt("80000000", 16);
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception for hex MAX_VALUE + 1", exception);
exception = false;
try {
Integer.parseInt("-80000001", 16);
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception for hex MIN_VALUE + 1", exception);
exception = false;
try {
Integer.parseInt("9999999999", 10);
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception for 9999999999", exception);
}
/**
* @tests java.lang.Integer#shortValue()
*/
@TestTargetNew(
level = TestLevel.PARTIAL,
notes = "Checks one value.",
method = "shortValue",
args = {}
)
public void test_shortValue2() {
// Test for method short java.lang.Integer.shortValue()
Integer i = new Integer(2147450880);
assertEquals("Returned incorrect long value", -32768, i.shortValue());
}
/**
* @tests java.lang.Integer#toBinaryString(int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "toBinaryString",
args = {int.class}
)
public void test_toBinaryStringI() {
// Test for method java.lang.String
// java.lang.Integer.toBinaryString(int)
assertEquals("Incorrect string returned", "1111111111111111111111111111111", Integer.toBinaryString(
Integer.MAX_VALUE));
assertEquals("Incorrect string returned", "10000000000000000000000000000000", Integer.toBinaryString(
Integer.MIN_VALUE));
}
/**
* @tests java.lang.Integer#toHexString(int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "toHexString",
args = {int.class}
)
public void test_toHexStringI() {
// Test for method java.lang.String java.lang.Integer.toHexString(int)
String[] hexvals = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
"a", "b", "c", "d", "e", "f" };
for (int i = 0; i < 16; i++) {
assertTrue("Incorrect string returned " + hexvals[i], Integer
.toHexString(i).equals(hexvals[i]));
}
assertTrue("Returned incorrect hex string: "
+ Integer.toHexString(Integer.MAX_VALUE), Integer.toHexString(
Integer.MAX_VALUE).equals("7fffffff"));
assertTrue("Returned incorrect hex string: "
+ Integer.toHexString(Integer.MIN_VALUE), Integer.toHexString(
Integer.MIN_VALUE).equals("80000000"));
}
/**
* @tests java.lang.Integer#toOctalString(int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "toOctalString",
args = {int.class}
)
public void test_toOctalStringI() {
// Test for method java.lang.String java.lang.Integer.toOctalString(int)
// Spec states that the int arg is treated as unsigned
assertEquals("Returned incorrect octal string", "17777777777", Integer.toOctalString(
Integer.MAX_VALUE));
assertEquals("Returned incorrect octal string", "20000000000", Integer.toOctalString(
Integer.MIN_VALUE));
}
/**
* @tests java.lang.Integer#toString()
*/
@TestTargetNew(
level = TestLevel.PARTIAL,
notes = "Checks one value.",
method = "toString",
args = {}
)
public void test_toString2() {
// Test for method java.lang.String java.lang.Integer.toString()
Integer i = new Integer(-80001);
assertEquals("Returned incorrect String", "-80001", i.toString());
}
/**
* @tests java.lang.Integer#toString(int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "toString",
args = {int.class}
)
public void test_toStringI2() {
// Test for method java.lang.String java.lang.Integer.toString(int)
assertEquals("Returned incorrect String", "-80765", Integer.toString(-80765)
);
assertEquals("Returned incorrect octal string", "2147483647", Integer.toString(
Integer.MAX_VALUE));
assertEquals("Returned incorrect octal string", "-2147483647", Integer.toString(
-Integer.MAX_VALUE));
assertEquals("Returned incorrect octal string", "-2147483648", Integer.toString(
Integer.MIN_VALUE));
}
/**
* @tests java.lang.Integer#toString(int, int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "toString",
args = {int.class, int.class}
)
public void test_toStringII() {
// Test for method java.lang.String java.lang.Integer.toString(int, int)
assertEquals("Returned incorrect octal string", "17777777777", Integer.toString(
2147483647, 8));
assertTrue("Returned incorrect hex string--wanted 7fffffff but got: "
+ Integer.toString(2147483647, 16), Integer.toString(
2147483647, 16).equals("7fffffff"));
assertEquals("Incorrect string returned", "1111111111111111111111111111111", Integer.toString(2147483647, 2)
);
assertEquals("Incorrect string returned", "2147483647", Integer
.toString(2147483647, 10));
assertEquals("Returned incorrect octal string", "-17777777777", Integer.toString(
-2147483647, 8));
assertTrue("Returned incorrect hex string--wanted -7fffffff but got: "
+ Integer.toString(-2147483647, 16), Integer.toString(
-2147483647, 16).equals("-7fffffff"));
assertEquals("Incorrect string returned",
"-1111111111111111111111111111111", Integer
.toString(-2147483647, 2));
assertEquals("Incorrect string returned", "-2147483647", Integer.toString(-2147483647,
10));
assertEquals("Returned incorrect octal string", "-20000000000", Integer.toString(
-2147483648, 8));
assertTrue("Returned incorrect hex string--wanted -80000000 but got: "
+ Integer.toString(-2147483648, 16), Integer.toString(
-2147483648, 16).equals("-80000000"));
assertEquals("Incorrect string returned",
"-10000000000000000000000000000000", Integer
.toString(-2147483648, 2));
assertEquals("Incorrect string returned", "-2147483648", Integer.toString(-2147483648,
10));
}
/**
* @tests java.lang.Integer#valueOf(java.lang.String)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Verifies boundary values.",
method = "valueOf",
args = {java.lang.String.class}
)
public void test_valueOfLjava_lang_String2() {
// Test for method java.lang.Integer
// java.lang.Integer.valueOf(java.lang.String)
assertEquals("Returned incorrect int", 8888888, Integer.valueOf("8888888")
.intValue());
assertTrue("Returned incorrect int", Integer.valueOf("2147483647")
.intValue() == Integer.MAX_VALUE);
assertTrue("Returned incorrect int", Integer.valueOf("-2147483648")
.intValue() == Integer.MIN_VALUE);
boolean exception = false;
try {
Integer.valueOf("2147483648");
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception with MAX_VALUE + 1", exception);
exception = false;
try {
Integer.valueOf("-2147483649");
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception with MIN_VALUE - 1", exception);
}
/**
* @tests java.lang.Integer#valueOf(java.lang.String, int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Checks boundary values.",
method = "valueOf",
args = {java.lang.String.class, int.class}
)
public void test_valueOfLjava_lang_StringI2() {
// Test for method java.lang.Integer
// java.lang.Integer.valueOf(java.lang.String, int)
assertEquals("Returned incorrect int for hex string", 255, Integer.valueOf(
"FF", 16).intValue());
assertEquals("Returned incorrect int for oct string", 16, Integer.valueOf(
"20", 8).intValue());
assertEquals("Returned incorrect int for bin string", 4, Integer.valueOf(
"100", 2).intValue());
assertEquals("Returned incorrect int for - hex string", -255, Integer.valueOf(
"-FF", 16).intValue());
assertEquals("Returned incorrect int for - oct string", -16, Integer.valueOf(
"-20", 8).intValue());
assertEquals("Returned incorrect int for - bin string", -4, Integer.valueOf(
"-100", 2).intValue());
assertTrue("Returned incorrect int", Integer.valueOf("2147483647", 10)
.intValue() == Integer.MAX_VALUE);
assertTrue("Returned incorrect int", Integer.valueOf("-2147483648", 10)
.intValue() == Integer.MIN_VALUE);
assertTrue("Returned incorrect int", Integer.valueOf("7fffffff", 16)
.intValue() == Integer.MAX_VALUE);
assertTrue("Returned incorrect int", Integer.valueOf("-80000000", 16)
.intValue() == Integer.MIN_VALUE);
boolean exception = false;
try {
Integer.valueOf("FF", 2);
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue(
"Failed to throw exception with hex string and base 2 radix",
exception);
exception = false;
try {
Integer.valueOf("2147483648", 10);
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception with MAX_VALUE + 1", exception);
exception = false;
try {
Integer.valueOf("-2147483649", 10);
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception with MIN_VALUE - 1", exception);
exception = false;
try {
Integer.valueOf("80000000", 16);
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception with hex MAX_VALUE + 1",
exception);
exception = false;
try {
Integer.valueOf("-80000001", 16);
} catch (NumberFormatException e) {
// Correct
exception = true;
}
assertTrue("Failed to throw exception with hex MIN_VALUE - 1",
exception);
}
/**
* @tests java.lang.Integer#valueOf(byte)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "valueOf",
args = {int.class}
)
public void test_valueOfI() {
assertEquals(new Integer(Integer.MIN_VALUE), Integer.valueOf(Integer.MIN_VALUE));
assertEquals(new Integer(Integer.MAX_VALUE), Integer.valueOf(Integer.MAX_VALUE));
assertEquals(new Integer(0), Integer.valueOf(0));
short s = -128;
while (s < 128) {
assertEquals(new Integer(s), Integer.valueOf(s));
assertSame(Integer.valueOf(s), Integer.valueOf(s));
s++;
}
}
/**
* @tests java.lang.Integer#hashCode()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "hashCode",
args = {}
)
public void test_hashCode() {
assertEquals(1, new Integer(1).hashCode());
assertEquals(2, new Integer(2).hashCode());
assertEquals(0, new Integer(0).hashCode());
assertEquals(-1, new Integer(-1).hashCode());
}
/**
* @tests java.lang.Integer#Integer(String)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "Integer",
args = {java.lang.String.class}
)
public void test_ConstructorLjava_lang_String() {
assertEquals(new Integer(0), new Integer("0"));
assertEquals(new Integer(1), new Integer("1"));
assertEquals(new Integer(-1), new Integer("-1"));
try {
new Integer("0x1");
fail("Expected NumberFormatException with hex string.");
} catch (NumberFormatException e) {}
try {
new Integer("9.2");
fail("Expected NumberFormatException with floating point string.");
} catch (NumberFormatException e) {}
try {
new Integer("");
fail("Expected NumberFormatException with empty string.");
} catch (NumberFormatException e) {}
try {
new Integer(null);
fail("Expected NumberFormatException with null string.");
} catch (NumberFormatException e) {}
}
/**
* @tests java.lang.Integer#Integer
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "Integer",
args = {int.class}
)
public void test_ConstructorI() {
assertEquals(1, new Integer(1).intValue());
assertEquals(2, new Integer(2).intValue());
assertEquals(0, new Integer(0).intValue());
assertEquals(-1, new Integer(-1).intValue());
Integer i = new Integer(-89000);
assertEquals("Incorrect Integer created", -89000, i.intValue());
}
/**
* @tests java.lang.Integer#byteValue()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "byteValue",
args = {}
)
public void test_booleanValue() {
assertEquals(1, new Integer(1).byteValue());
assertEquals(2, new Integer(2).byteValue());
assertEquals(0, new Integer(0).byteValue());
assertEquals(-1, new Integer(-1).byteValue());
}
/**
* @tests java.lang.Integer#equals(Object)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "equals",
args = {java.lang.Object.class}
)
public void test_equalsLjava_lang_Object() {
assertEquals(new Integer(0), Integer.valueOf(0));
assertEquals(new Integer(1), Integer.valueOf(1));
assertEquals(new Integer(-1), Integer.valueOf(-1));
Integer fixture = new Integer(25);
assertEquals(fixture, fixture);
assertFalse(fixture.equals(null));
assertFalse(fixture.equals("Not a Integer"));
}
/**
* @tests java.lang.Integer#toString()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "toString",
args = {}
)
public void test_toString() {
assertEquals("-1", new Integer(-1).toString());
assertEquals("0", new Integer(0).toString());
assertEquals("1", new Integer(1).toString());
assertEquals("-1", new Integer(0xFFFFFFFF).toString());
}
/**
* @tests java.lang.Integer#toString
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "toString",
args = {int.class}
)
public void test_toStringI() {
assertEquals("-1", Integer.toString(-1));
assertEquals("0", Integer.toString(0));
assertEquals("1", Integer.toString(1));
assertEquals("-1", Integer.toString(0xFFFFFFFF));
}
/**
* @tests java.lang.Integer#valueOf(String)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Doesn't check boundary values.",
method = "valueOf",
args = {java.lang.String.class}
)
public void test_valueOfLjava_lang_String() {
assertEquals(new Integer(0), Integer.valueOf("0"));
assertEquals(new Integer(1), Integer.valueOf("1"));
assertEquals(new Integer(-1), Integer.valueOf("-1"));
try {
Integer.valueOf("0x1");
fail("Expected NumberFormatException with hex string.");
} catch (NumberFormatException e) {}
try {
Integer.valueOf("9.2");
fail("Expected NumberFormatException with floating point string.");
} catch (NumberFormatException e) {}
try {
Integer.valueOf("");
fail("Expected NumberFormatException with empty string.");
} catch (NumberFormatException e) {}
try {
Integer.valueOf(null);
fail("Expected NumberFormatException with null string.");
} catch (NumberFormatException e) {}
}
/**
* @tests java.lang.Integer#valueOf(String,int)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Doesn't check boundary values.",
method = "valueOf",
args = {java.lang.String.class, int.class}
)
public void test_valueOfLjava_lang_StringI() {
assertEquals(new Integer(0), Integer.valueOf("0", 10));
assertEquals(new Integer(1), Integer.valueOf("1", 10));
assertEquals(new Integer(-1), Integer.valueOf("-1", 10));
//must be consistent with Character.digit()
assertEquals(Character.digit('1', 2), Integer.valueOf("1", 2).byteValue());
assertEquals(Character.digit('F', 16), Integer.valueOf("F", 16).byteValue());
try {
Integer.valueOf("0x1", 10);
fail("Expected NumberFormatException with hex string.");
} catch (NumberFormatException e) {}
try {
Integer.valueOf("9.2", 10);
fail("Expected NumberFormatException with floating point string.");
} catch (NumberFormatException e) {}
try {
Integer.valueOf("", 10);
fail("Expected NumberFormatException with empty string.");
} catch (NumberFormatException e) {}
try {
Integer.valueOf(null, 10);
fail("Expected NumberFormatException with null string.");
} catch (NumberFormatException e) {}
}
/**
* @tests java.lang.Integer#parseInt(String)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Doesn't check boundary values.",
method = "parseInt",
args = {java.lang.String.class}
)
public void test_parseIntLjava_lang_String() {
assertEquals(0, Integer.parseInt("0"));
assertEquals(1, Integer.parseInt("1"));
assertEquals(-1, Integer.parseInt("-1"));
try {
Integer.parseInt("0x1");
fail("Expected NumberFormatException with hex string.");
} catch (NumberFormatException e) {}
try {
Integer.parseInt("9.2");
fail("Expected NumberFormatException with floating point string.");
} catch (NumberFormatException e) {}
try {
Integer.parseInt("");
fail("Expected NumberFormatException with empty string.");
} catch (NumberFormatException e) {}
try {
Integer.parseInt(null);
fail("Expected NumberFormatException with null string.");
} catch (NumberFormatException e) {}
}
/**
* @tests java.lang.Integer#parseInt(String,int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "parseInt",
args = {java.lang.String.class, int.class}
)
public void test_parseIntLjava_lang_StringI() {
assertEquals(0, Integer.parseInt("0", 10));
assertEquals(1, Integer.parseInt("1", 10));
assertEquals(-1, Integer.parseInt("-1", 10));
//must be consistent with Character.digit()
assertEquals(Character.digit('1', 2), Integer.parseInt("1", 2));
assertEquals(Character.digit('F', 16), Integer.parseInt("F", 16));
try {
Integer.parseInt("0x1", 10);
fail("Expected NumberFormatException with hex string.");
} catch (NumberFormatException e) {}
try {
Integer.parseInt("9.2", 10);
fail("Expected NumberFormatException with floating point string.");
} catch (NumberFormatException e) {}
try {
Integer.parseInt("", 10);
fail("Expected NumberFormatException with empty string.");
} catch (NumberFormatException e) {}
try {
Integer.parseInt(null, 10);
fail("Expected NumberFormatException with null string.");
} catch (NumberFormatException e) {}
}
/**
* @tests java.lang.Integer#decode(String)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "decode",
args = {java.lang.String.class}
)
public void test_decodeLjava_lang_String() {
assertEquals(new Integer(0), Integer.decode("0"));
assertEquals(new Integer(1), Integer.decode("1"));
assertEquals(new Integer(-1), Integer.decode("-1"));
assertEquals(new Integer(0xF), Integer.decode("0xF"));
assertEquals(new Integer(0xF), Integer.decode("#F"));
assertEquals(new Integer(0xF), Integer.decode("0XF"));
assertEquals(new Integer(07), Integer.decode("07"));
try {
Integer.decode("9.2");
fail("Expected NumberFormatException with floating point string.");
} catch (NumberFormatException e) {}
try {
Integer.decode("");
fail("Expected NumberFormatException with empty string.");
} catch (NumberFormatException e) {}
try {
Integer.decode(null);
//undocumented NPE, but seems consistent across JREs
fail("Expected NullPointerException with null string.");
} catch (NullPointerException e) {}
}
/**
* @tests java.lang.Integer#doubleValue()
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Doesn't check boundaries.",
method = "doubleValue",
args = {}
)
public void test_doubleValue() {
assertEquals(-1D, new Integer(-1).doubleValue(), 0D);
assertEquals(0D, new Integer(0).doubleValue(), 0D);
assertEquals(1D, new Integer(1).doubleValue(), 0D);
}
/**
* @tests java.lang.Integer#floatValue()
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "",
method = "floatValue",
args = {}
)
public void test_floatValue() {
assertEquals(-1F, new Integer(-1).floatValue(), 0F);
assertEquals(0F, new Integer(0).floatValue(), 0F);
assertEquals(1F, new Integer(1).floatValue(), 0F);
}
/**
* @tests java.lang.Integer#intValue()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "intValue",
args = {}
)
public void test_intValue() {
assertEquals(-1, new Integer(-1).intValue());
assertEquals(0, new Integer(0).intValue());
assertEquals(1, new Integer(1).intValue());
assertEquals(Integer.MAX_VALUE, new Integer(Integer.MAX_VALUE).intValue());
assertEquals(Integer.MIN_VALUE, new Integer(Integer.MIN_VALUE).intValue());
}
/**
* @tests java.lang.Integer#longValue()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "longValue",
args = {}
)
public void test_longValue() {
assertEquals(-1L, new Integer(-1).longValue());
assertEquals(0L, new Integer(0).longValue());
assertEquals(1L, new Integer(1).longValue());
assertEquals(Integer.MAX_VALUE, new Integer(Integer.MAX_VALUE).longValue());
assertEquals(Integer.MIN_VALUE, new Integer(Integer.MIN_VALUE).longValue());
}
/**
* @tests java.lang.Integer#shortValue()
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "shortValue",
args = {}
)
public void test_shortValue() {
assertEquals(-1, new Integer(-1).shortValue());
assertEquals(0, new Integer(0).shortValue());
assertEquals(1, new Integer(1).shortValue());
assertEquals(-1, new Integer(Integer.MAX_VALUE).shortValue());
assertEquals(0, new Integer(Integer.MIN_VALUE).shortValue());
}
/**
* @tests java.lang.Integer#highestOneBit(int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "highestOneBit",
args = {int.class}
)
public void test_highestOneBitI() {
assertEquals(0x08, Integer.highestOneBit(0x0A));
assertEquals(0x08, Integer.highestOneBit(0x0B));
assertEquals(0x08, Integer.highestOneBit(0x0C));
assertEquals(0x08, Integer.highestOneBit(0x0F));
assertEquals(0x80, Integer.highestOneBit(0xFF));
assertEquals(0x080000, Integer.highestOneBit(0x0F1234));
assertEquals(0x800000, Integer.highestOneBit(0xFF9977));
assertEquals(0x80000000, Integer.highestOneBit(0xFFFFFFFF));
assertEquals(0, Integer.highestOneBit(0));
assertEquals(1, Integer.highestOneBit(1));
assertEquals(0x80000000, Integer.highestOneBit(-1));
}
/**
* @tests java.lang.Integer#lowestOneBit(int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "lowestOneBit",
args = {int.class}
)
public void test_lowestOneBitI() {
assertEquals(0x10, Integer.lowestOneBit(0xF0));
assertEquals(0x10, Integer.lowestOneBit(0x90));
assertEquals(0x10, Integer.lowestOneBit(0xD0));
assertEquals(0x10, Integer.lowestOneBit(0x123490));
assertEquals(0x10, Integer.lowestOneBit(0x1234D0));
assertEquals(0x100000, Integer.lowestOneBit(0x900000));
assertEquals(0x100000, Integer.lowestOneBit(0xD00000));
assertEquals(0x40, Integer.lowestOneBit(0x40));
assertEquals(0x40, Integer.lowestOneBit(0xC0));
assertEquals(0x4000, Integer.lowestOneBit(0x4000));
assertEquals(0x4000, Integer.lowestOneBit(0xC000));
assertEquals(0x4000, Integer.lowestOneBit(0x99994000));
assertEquals(0x4000, Integer.lowestOneBit(0x9999C000));
assertEquals(0, Integer.lowestOneBit(0));
assertEquals(1, Integer.lowestOneBit(1));
assertEquals(1, Integer.lowestOneBit(-1));
}
/**
* @tests java.lang.Integer#numberOfLeadingZeros(int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "numberOfLeadingZeros",
args = {int.class}
)
public void test_numberOfLeadingZerosI() {
assertEquals(32, Integer.numberOfLeadingZeros(0x0));
assertEquals(31, Integer.numberOfLeadingZeros(0x1));
assertEquals(30, Integer.numberOfLeadingZeros(0x2));
assertEquals(30, Integer.numberOfLeadingZeros(0x3));
assertEquals(29, Integer.numberOfLeadingZeros(0x4));
assertEquals(29, Integer.numberOfLeadingZeros(0x5));
assertEquals(29, Integer.numberOfLeadingZeros(0x6));
assertEquals(29, Integer.numberOfLeadingZeros(0x7));
assertEquals(28, Integer.numberOfLeadingZeros(0x8));
assertEquals(28, Integer.numberOfLeadingZeros(0x9));
assertEquals(28, Integer.numberOfLeadingZeros(0xA));
assertEquals(28, Integer.numberOfLeadingZeros(0xB));
assertEquals(28, Integer.numberOfLeadingZeros(0xC));
assertEquals(28, Integer.numberOfLeadingZeros(0xD));
assertEquals(28, Integer.numberOfLeadingZeros(0xE));
assertEquals(28, Integer.numberOfLeadingZeros(0xF));
assertEquals(27, Integer.numberOfLeadingZeros(0x10));
assertEquals(24, Integer.numberOfLeadingZeros(0x80));
assertEquals(24, Integer.numberOfLeadingZeros(0xF0));
assertEquals(23, Integer.numberOfLeadingZeros(0x100));
assertEquals(20, Integer.numberOfLeadingZeros(0x800));
assertEquals(20, Integer.numberOfLeadingZeros(0xF00));
assertEquals(19, Integer.numberOfLeadingZeros(0x1000));
assertEquals(16, Integer.numberOfLeadingZeros(0x8000));
assertEquals(16, Integer.numberOfLeadingZeros(0xF000));
assertEquals(15, Integer.numberOfLeadingZeros(0x10000));
assertEquals(12, Integer.numberOfLeadingZeros(0x80000));
assertEquals(12, Integer.numberOfLeadingZeros(0xF0000));
assertEquals(11, Integer.numberOfLeadingZeros(0x100000));
assertEquals(8, Integer.numberOfLeadingZeros(0x800000));
assertEquals(8, Integer.numberOfLeadingZeros(0xF00000));
assertEquals(7, Integer.numberOfLeadingZeros(0x1000000));
assertEquals(4, Integer.numberOfLeadingZeros(0x8000000));
assertEquals(4, Integer.numberOfLeadingZeros(0xF000000));
assertEquals(3, Integer.numberOfLeadingZeros(0x10000000));
assertEquals(0, Integer.numberOfLeadingZeros(0x80000000));
assertEquals(0, Integer.numberOfLeadingZeros(0xF0000000));
assertEquals(1, Integer.numberOfLeadingZeros(Integer.MAX_VALUE));
assertEquals(0, Integer.numberOfLeadingZeros(Integer.MIN_VALUE));
}
/**
* @tests
* java.lang.Integer#numberOfTrailingZeros(int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "numberOfTrailingZeros",
args = {int.class}
)
public void test_numberOfTrailingZerosI() {
assertEquals(32, Integer.numberOfTrailingZeros(0x0));
assertEquals(31, Integer.numberOfTrailingZeros(Integer.MIN_VALUE));
assertEquals(0, Integer.numberOfTrailingZeros(Integer.MAX_VALUE));
assertEquals(0, Integer.numberOfTrailingZeros(0x1));
assertEquals(3, Integer.numberOfTrailingZeros(0x8));
assertEquals(0, Integer.numberOfTrailingZeros(0xF));
assertEquals(4, Integer.numberOfTrailingZeros(0x10));
assertEquals(7, Integer.numberOfTrailingZeros(0x80));
assertEquals(4, Integer.numberOfTrailingZeros(0xF0));
assertEquals(8, Integer.numberOfTrailingZeros(0x100));
assertEquals(11, Integer.numberOfTrailingZeros(0x800));
assertEquals(8, Integer.numberOfTrailingZeros(0xF00));
assertEquals(12, Integer.numberOfTrailingZeros(0x1000));
assertEquals(15, Integer.numberOfTrailingZeros(0x8000));
assertEquals(12, Integer.numberOfTrailingZeros(0xF000));
assertEquals(16, Integer.numberOfTrailingZeros(0x10000));
assertEquals(19, Integer.numberOfTrailingZeros(0x80000));
assertEquals(16, Integer.numberOfTrailingZeros(0xF0000));
assertEquals(20, Integer.numberOfTrailingZeros(0x100000));
assertEquals(23, Integer.numberOfTrailingZeros(0x800000));
assertEquals(20, Integer.numberOfTrailingZeros(0xF00000));
assertEquals(24, Integer.numberOfTrailingZeros(0x1000000));
assertEquals(27, Integer.numberOfTrailingZeros(0x8000000));
assertEquals(24, Integer.numberOfTrailingZeros(0xF000000));
assertEquals(28, Integer.numberOfTrailingZeros(0x10000000));
assertEquals(31, Integer.numberOfTrailingZeros(0x80000000));
assertEquals(28, Integer.numberOfTrailingZeros(0xF0000000));
}
/**
* @tests java.lang.Integer#bitCount(int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "bitCount",
args = {int.class}
)
public void test_bitCountI() {
assertEquals(0, Integer.bitCount(0x0));
assertEquals(1, Integer.bitCount(0x1));
assertEquals(1, Integer.bitCount(0x2));
assertEquals(2, Integer.bitCount(0x3));
assertEquals(1, Integer.bitCount(0x4));
assertEquals(2, Integer.bitCount(0x5));
assertEquals(2, Integer.bitCount(0x6));
assertEquals(3, Integer.bitCount(0x7));
assertEquals(1, Integer.bitCount(0x8));
assertEquals(2, Integer.bitCount(0x9));
assertEquals(2, Integer.bitCount(0xA));
assertEquals(3, Integer.bitCount(0xB));
assertEquals(2, Integer.bitCount(0xC));
assertEquals(3, Integer.bitCount(0xD));
assertEquals(3, Integer.bitCount(0xE));
assertEquals(4, Integer.bitCount(0xF));
assertEquals(8, Integer.bitCount(0xFF));
assertEquals(12, Integer.bitCount(0xFFF));
assertEquals(16, Integer.bitCount(0xFFFF));
assertEquals(20, Integer.bitCount(0xFFFFF));
assertEquals(24, Integer.bitCount(0xFFFFFF));
assertEquals(28, Integer.bitCount(0xFFFFFFF));
assertEquals(32, Integer.bitCount(0xFFFFFFFF));
}
/**
* @tests java.lang.Integer#rotateLeft(int,int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "rotateLeft",
args = {int.class, int.class}
)
public void test_rotateLeftII() {
assertEquals(0xF, Integer.rotateLeft(0xF, 0));
assertEquals(0xF0, Integer.rotateLeft(0xF, 4));
assertEquals(0xF00, Integer.rotateLeft(0xF, 8));
assertEquals(0xF000, Integer.rotateLeft(0xF, 12));
assertEquals(0xF0000, Integer.rotateLeft(0xF, 16));
assertEquals(0xF00000, Integer.rotateLeft(0xF, 20));
assertEquals(0xF000000, Integer.rotateLeft(0xF, 24));
assertEquals(0xF0000000, Integer.rotateLeft(0xF, 28));
assertEquals(0xF0000000, Integer.rotateLeft(0xF0000000, 32));
}
/**
* @tests java.lang.Integer#rotateRight(int,int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "rotateRight",
args = {int.class, int.class}
)
public void test_rotateRightII() {
assertEquals(0xF, Integer.rotateRight(0xF0, 4));
assertEquals(0xF, Integer.rotateRight(0xF00, 8));
assertEquals(0xF, Integer.rotateRight(0xF000, 12));
assertEquals(0xF, Integer.rotateRight(0xF0000, 16));
assertEquals(0xF, Integer.rotateRight(0xF00000, 20));
assertEquals(0xF, Integer.rotateRight(0xF000000, 24));
assertEquals(0xF, Integer.rotateRight(0xF0000000, 28));
assertEquals(0xF0000000, Integer.rotateRight(0xF0000000, 32));
assertEquals(0xF0000000, Integer.rotateRight(0xF0000000, 0));
}
/**
* @tests java.lang.Integer#reverseBytes(int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "reverseBytes",
args = {int.class}
)
public void test_reverseBytesI() {
assertEquals(0xAABBCCDD, Integer.reverseBytes(0xDDCCBBAA));
assertEquals(0x11223344, Integer.reverseBytes(0x44332211));
assertEquals(0x00112233, Integer.reverseBytes(0x33221100));
assertEquals(0x20000002, Integer.reverseBytes(0x02000020));
}
/**
* @tests java.lang.Integer#reverse(int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "reverse",
args = {int.class}
)
public void test_reverseI() {
assertEquals(-1, Integer.reverse(-1));
assertEquals(0x80000000,Integer.reverse(1));
}
/**
* @tests java.lang.Integer#signum(int)
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "signum",
args = {int.class}
)
public void test_signumI() {
for (int i = -128; i<0; i++) {
assertEquals(-1, Integer.signum(i));
}
assertEquals(0, Integer.signum(0));
for (int i = 1; i<=127; i++) {
assertEquals(1, Integer.signum(i));
}
}
}
|
