001: /*
002: * Copyright (c) 2002-2008 Gargoyle Software Inc. All rights reserved.
003: *
004: * Redistribution and use in source and binary forms, with or without
005: * modification, are permitted provided that the following conditions are met:
006: *
007: * 1. Redistributions of source code must retain the above copyright notice,
008: * this list of conditions and the following disclaimer.
009: * 2. Redistributions in binary form must reproduce the above copyright notice,
010: * this list of conditions and the following disclaimer in the documentation
011: * and/or other materials provided with the distribution.
012: * 3. The end-user documentation included with the redistribution, if any, must
013: * include the following acknowledgment:
014: *
015: * "This product includes software developed by Gargoyle Software Inc.
016: * (http://www.GargoyleSoftware.com/)."
017: *
018: * Alternately, this acknowledgment may appear in the software itself, if
019: * and wherever such third-party acknowledgments normally appear.
020: * 4. The name "Gargoyle Software" must not be used to endorse or promote
021: * products derived from this software without prior written permission.
022: * For written permission, please contact info@GargoyleSoftware.com.
023: * 5. Products derived from this software may not be called "HtmlUnit", nor may
024: * "HtmlUnit" appear in their name, without prior written permission of
025: * Gargoyle Software Inc.
026: *
027: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
028: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
029: * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARGOYLE
030: * SOFTWARE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
031: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
032: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
033: * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
034: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
035: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
036: * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
037: */
038: package com.gargoylesoftware.htmlunit;
039:
040: import java.io.BufferedReader;
041: import java.io.InputStream;
042: import java.io.InputStreamReader;
043:
044: /**
045: * Tests for {@link TextUtil}.
046: *
047: * @version $Revision: 2132 $
048: * @author <a href="mailto:mbowler@GargoyleSoftware.com">Mike Bowler</a>
049: */
050: public final class TextUtilTest extends WebTestCase {
051: /**
052: * Create an instance.
053: * @param name The name of the test.
054: */
055: public TextUtilTest(final String name) {
056: super (name);
057: }
058:
059: /**
060: * Test startsWithIgnoreCase() with null values.
061: */
062: public void testStartsWithIgnoreCase_nulls() {
063: try {
064: TextUtil.startsWithIgnoreCase(null, "foo");
065: fail("Expected null pointer exception");
066: } catch (final NullPointerException e) {
067: // Expected path
068: }
069:
070: try {
071: TextUtil.startsWithIgnoreCase("foo", null);
072: fail("Expected null pointer exception");
073: } catch (final NullPointerException e) {
074: // Expected path
075: }
076: }
077:
078: /**
079: * Test startsWithIgnoreCase() with an empty prefix
080: */
081: public void testStartsWithIgnoreCase_emptyPrefix() {
082: try {
083: TextUtil.startsWithIgnoreCase("foo", "");
084: fail("Expected IllegalArgumentException");
085: } catch (final IllegalArgumentException e) {
086: // Expected path
087: }
088: }
089:
090: /**
091: * Test a variety of cases that should return true.
092: */
093: public void testStartsWithIgnoreCase_ShouldReturnTrue() {
094: final String[][] data = { { "foo", "foo" },
095: { "foo:bar", "foo" }, { "FOO:BAR", "foo" },
096: { "foo:bar", "FOO" }, };
097:
098: for (int i = 0; i < data.length; i++) {
099: final String stringToCheck = data[i][0];
100: final String prefix = data[i][1];
101:
102: assertTrue("stringToCheck=[" + stringToCheck + "] prefix=["
103: + prefix + "]", TextUtil.startsWithIgnoreCase(
104: stringToCheck, prefix));
105: }
106: }
107:
108: /**
109: * Test a variety of cases that should return false.
110: */
111: public void testStartsWithIgnoreCase_ShouldReturnFalse() {
112: final String[][] data = { { "", "foo" }, { "fobar", "foo" },
113: { "fo", "foo" }, };
114:
115: for (int i = 0; i < data.length; i++) {
116: final String stringToCheck = data[i][0];
117: final String prefix = data[i][1];
118:
119: assertFalse("stringToCheck=[" + stringToCheck
120: + "] prefix=[" + prefix + "]", TextUtil
121: .startsWithIgnoreCase(stringToCheck, prefix));
122: }
123: }
124:
125: /**
126: * @throws Exception if the test fails
127: */
128: public void testToInputStream_null() throws Exception {
129: try {
130: TextUtil.toInputStream(null);
131: fail("Expected NullPointerException");
132: } catch (final NullPointerException e) {
133: // Expected path
134: }
135: }
136:
137: /**
138: * @throws Exception if the test fails
139: */
140: public void testToInputStream() throws Exception {
141: final String[][] data = { { "", null }, { "a", "a" },
142: { "abcdefABCDEF", "abcdefABCDEF" }, };
143: final String encoding = "ISO-8859-1";
144:
145: for (int i = 0; i < data.length; i++) {
146: final String input = data[i][0];
147: final String expectedResult = data[i][1];
148:
149: final InputStream inputStream = TextUtil.toInputStream(
150: input, encoding);
151: final String actualResult = new BufferedReader(
152: new InputStreamReader(inputStream, encoding))
153: .readLine();
154: assertEquals(expectedResult, actualResult);
155: }
156: }
157: }
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