/*
*
*
* Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package javax.microedition.global;
import com.sun.midp.i3test.*;
import java.util.*;
/**
* I3 test for StringComparator.
*/
public class TestStringComparator extends TestCase {
private StringComparator sc;
private String message;
private String[] illegal = {"Cs", "cs-", "cs/CZ",
"cs-cz", "cs-CZ-", "cs-CZ:utf8"};
private static final String[] words = {
"role",
"ro\u0083le",
"Role",
"r\u00f4le",
"roles",
"rule"
};
private static final int[][] cmp_level1 = {
{ 0, 0, 0, 0, -1, -1},
{ 0, 0, 0, 0, -1, -1},
{ 0, 0, 0, 0, -1, -1},
{ 0, 0, 0, 0, -1, -1},
{ 1, 1, 1, 1, 0, -1},
{ 1, 1, 1, 1, 1, 0}
};
private static final int[][] cmp_level2 = {
{ 0, 0, 0, -1, -1, -1},
{ 0, 0, 0, -1, -1, -1},
{ 0, 0, 0, -1, -1, -1},
{ 1, 1, 1, 0, -1, -1},
{ 1, 1, 1, 1, 0, -1},
{ 1, 1, 1, 1, 1, 0}
};
private static final int[][] cmp_level3 = {
{ 0, 0, -1, -1, -1, -1},
{ 0, 0, -1, -1, -1, -1},
{ 1, 1, 0, -1, -1, -1},
{ 1, 1, 1, 0, -1, -1},
{ 1, 1, 1, 1, 0, -1},
{ 1, 1, 1, 1, 1, 0}
};
private static final int[][] cmp_identical = {
{ 0, -1, -1, -1, -1, -1},
{ 1, 0, -1, -1, -1, -1},
{ 1, 1, 0, -1, -1, -1},
{ 1, 1, 1, 0, -1, -1},
{ 1, 1, 1, 1, 0, -1},
{ 1, 1, 1, 1, 1, 0}
};
/* Test cases of valid StringComparator creation */
public void testValidConstruction() {
/* Create string comparator for default locale */
sc = null;
sc = new StringComparator();
assertNotNull(sc);
assertEquals(StringComparator.LEVEL1, sc.getLevel());
assertEquals(System.getProperty("microedition.locale"), sc.getLocale());
/* Create string comparator for generic collation */
sc = null;
sc = new StringComparator(null);
assertNotNull(sc);
assertEquals(StringComparator.LEVEL1, sc.getLevel());
assertNull(sc.getLocale());
/* Create string comparator for generic collation */
sc = null;
sc = new StringComparator("");
assertNotNull(sc);
assertEquals(StringComparator.LEVEL1, sc.getLevel());
assertNull(sc.getLocale());
/* Create string comparator for "zh" locale */
sc = null;
sc = new StringComparator("zh");
assertNotNull(sc);
assertEquals(StringComparator.LEVEL1, sc.getLevel());
assertEquals("zh", sc.getLocale());
/* Create string comparator for "sk-SK" locale */
sc = null;
sc = new StringComparator("sk-SK");
assertNotNull(sc);
assertEquals(StringComparator.LEVEL1, sc.getLevel());
assertEquals("sk-SK", sc.getLocale());
/* Create string comparator with comparison level LEVEL1 */
sc = null;
sc = new StringComparator("sk-SK", StringComparator.LEVEL1);
assertNotNull(sc);
assertEquals(StringComparator.LEVEL1, sc.getLevel());
assertEquals("sk-SK", sc.getLocale());
/* Create string comparator with comparison level LEVEL2 */
sc = null;
sc = new StringComparator("sk-SK", StringComparator.LEVEL2);
assertNotNull(sc);
assertEquals(StringComparator.LEVEL2, sc.getLevel());
assertEquals("sk-SK", sc.getLocale());
/* Create string comparator with comparison level LEVEL3 */
sc = null;
sc = new StringComparator("sk-SK", StringComparator.LEVEL3);
assertNotNull(sc);
assertEquals(StringComparator.LEVEL3, sc.getLevel());
assertEquals("sk-SK", sc.getLocale());
/* Create string comparator with comparison level IDENTICAL */
sc = null;
sc = new StringComparator("sk-SK", StringComparator.IDENTICAL);
assertNotNull(sc);
assertEquals(StringComparator.IDENTICAL, sc.getLevel());
assertEquals("sk-SK", sc.getLocale());
}
/* Test cases of invalid StringComparator creation */
public void testInvalidConstruction() {
/* Test string comparator creation with illegal (wrong format) locale */
for (int i = 0; i < illegal.length; i++) {
try {
sc = new StringComparator(illegal[i]);
fail("IllegalArgumentException expected");
} catch (IllegalArgumentException e) {
assertTrue(true);
}
}
/* Test string comparator creation with illegal level of comparison */
try {
sc = new StringComparator("en-US", 10);
fail("IllegalArgumentException expected");
} catch (IllegalArgumentException e) {
assertTrue(true);
}
/* Test string comparator creation with unsupported locale */
try {
sc = new StringComparator("fi-FI");
fail("UnsupportedException expected");
} catch (UnsupportedLocaleException e) {
assertTrue(true);
}
}
/* Compare 2 entries of words[] array, prepare failure message */
private int compareWords(int i, int j) {
message = "compareWords(" + i + ", " + j + ") is wrong";
return sc.compare(words[i], words[j]);
}
/* Test 2 entries of words[] array for equality, prepare failure message */
private boolean equalWords(int i, int j) {
message = "equalWords(" + i + ", " + j + ") is wrong";
return sc.equals(words[i], words[j]);
}
/* Signum of integer argument */
private int sign(int num) {
if (num > 0) {
return 1;
}
if (num < 0) {
return -1;
}
return 0;
}
/* Test LEVEL1 generic collation: base character differences only */
public void testLevel1() {
sc = null;
sc = new StringComparator(null);
for (int i = 0; i < cmp_level1.length; i++) {
for (int j = 0; j < cmp_level1[i].length; j++) {
int res = compareWords(i, j);
assertEquals(message, cmp_level1[i][j], sign(res));
}
}
for (int i = 0; i < cmp_level1.length; i++) {
for (int j = 0; j < cmp_level1[i].length; j++) {
boolean eq = equalWords(i, j);
assertTrue(message, (cmp_level1[i][j] == 0) == eq);
}
}
}
/* Test LEVEL2 generic collation: take character accents into account */
public void testLevel2() {
sc = null;
sc = new StringComparator(null, StringComparator.LEVEL2);
for (int i = 0; i < cmp_level2.length; i++) {
for (int j = 0; j < cmp_level2[i].length; j++) {
int res = compareWords(i, j);
assertEquals(message, cmp_level2[i][j], sign(res));
}
}
for (int i = 0; i < cmp_level2.length; i++) {
for (int j = 0; j < cmp_level2[i].length; j++) {
boolean eq = equalWords(i, j);
assertTrue(message, (cmp_level2[i][j] == 0) == eq);
}
}
}
/* Test LEVEL3 generic collation: take character case into account */
public void testLevel3() {
sc = null;
sc = new StringComparator(null, StringComparator.LEVEL3);
for (int i = 0; i < cmp_level3.length; i++) {
for (int j = 0; j < cmp_level3[i].length; j++) {
int res = compareWords(i, j);
assertEquals(message, cmp_level3[i][j], sign(res));
}
}
for (int i = 0; i < cmp_level3.length; i++) {
for (int j = 0; j < cmp_level3[i].length; j++) {
boolean eq = equalWords(i, j);
assertTrue(message, (cmp_level3[i][j] == 0) == eq);
}
}
}
/* Test IDENTICAL generic collation: take all differences into account */
public void testIdentical() {
sc = null;
sc = new StringComparator(null, StringComparator.IDENTICAL);
for (int i = 0; i < cmp_identical.length; i++) {
for (int j = 0; j < cmp_identical[i].length; j++) {
int res = compareWords(i, j);
assertEquals(message, cmp_identical[i][j], sign(res));
}
}
for (int i = 0; i < cmp_identical.length; i++) {
for (int j = 0; j < cmp_identical[i].length; j++) {
boolean eq = equalWords(i, j);
assertTrue(message, (cmp_identical[i][j] == 0) == eq);
}
}
}
/* Test illegal comparison attempts */
public void testIllegalComparison() {
sc = null;
sc = new StringComparator(null);
/* Test comparison of null strings */
try {
sc.compare(null, null);
fail("NullPointerException expected");
} catch (NullPointerException e) {
assertTrue(true);
}
try {
sc.compare(null, words[0]);
fail("NullPointerException expected");
} catch (NullPointerException e) {
assertTrue(true);
}
try {
sc.compare(words[0], null);
fail("NullPointerException expected");
} catch (NullPointerException e) {
assertTrue(true);
}
/* Test equality testing of null strings */
try {
sc.equals(null, null);
fail("NullPointerException expected");
} catch (NullPointerException e) {
assertTrue(true);
}
try {
sc.equals(null, words[0]);
fail("NullPointerException expected");
} catch (NullPointerException e) {
assertTrue(true);
}
try {
sc.equals(words[0], null);
fail("NullPointerException expected");
} catch (NullPointerException e) {
assertTrue(true);
}
}
/**
* fill suite with test methods
*/
public void runTests() {
declare("testValidConstruction");
testValidConstruction();
declare("testInvalidConstruction");
testInvalidConstruction();
declare("testLevel1");
testLevel1();
declare("testLevel2");
testLevel2();
declare("testLevel3");
testLevel3();
declare("testIdentical");
testIdentical();
declare("testIllegalComparison");
testIllegalComparison();
}
}
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