1/*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17/**
18 * Test for Jit's handling of string inline-execute.  Should be tested
19 * twice - once using self-cosimulation (if available) and once without.
20 * The non-self-cosimulation test ensures that the answer computed the first
21 * time through (via the interpreter) is the same after looping enough
22 * to trigger translation.
23 */
24
25import junit.framework.Assert;
26
27public class Main {
28    public static void main(String args[]) {
29        int i;
30        stringLengthTest();
31        stringCharAtTest();
32        stringIndexOfTest();
33        for (i = 0; i < 1000; i++)
34            stringCompareToTest();
35    }
36
37    public static void stringLengthTest() {
38        String str0 = "";
39        String str1 = "x";
40        String str80 = "01234567890123456789012345678901234567890123456789012345678901234567890123456789";
41        int len0 = str0.length();
42        int len1 = str1.length();
43        int len80 = str80.length();
44        int i;
45
46        System.out.println("Length of " + str0 + " : " + len0);
47        System.out.println("Length of " + str1 + " : " + len1);
48        System.out.println("Length of " + str80 + " : " + len80);
49
50        for (i = 0; i < 1000; i++) {
51            assert(str0.length() == len0);
52            assert(str1.length() == len1);
53            assert(str80.length() == len80);
54        }
55    }
56
57    public static void stringCharAtTest() {
58        String testStr = "Now is the time";
59        int under = -1;
60        int over = testStr.length();
61        int numThrown = 0;
62        int numNotThrown = 0;
63        int at0 = testStr.charAt(0);
64        int at1 = testStr.charAt(1);
65        int at10 = testStr.charAt(10);
66        int atLast = testStr.charAt(testStr.length()-1);
67        int i;
68
69        System.out.println(testStr + "[0] = \"" + (char)at0 + "\"");
70        System.out.println(testStr + "[1] = \"" + (char)at1 + "\"");
71        System.out.println(testStr + "[10] = \"" + (char)at10 + "\"");
72        System.out.println(testStr + "[last] = \"" + (char)atLast + "\"");
73
74        for (i = 0; i < 1000; i++) {
75            assert(at0 == testStr.charAt(0));
76            assert(at1 == testStr.charAt(1));
77            assert(at10 == testStr.charAt(10));
78            assert(atLast == testStr.charAt(testStr.length()-1));
79        }
80
81        for (i = 0; i < 1000; i++) {
82            try {
83                testStr.charAt(under);
84                numNotThrown++;
85            } catch (StringIndexOutOfBoundsException sioobe) {
86                numThrown++;
87            }
88            try {
89                testStr.charAt(over);
90                numNotThrown++;
91            } catch (StringIndexOutOfBoundsException sioobe) {
92                numThrown++;
93            }
94        }
95        assert(numNotThrown == 0);
96        System.out.println("Num throws " + numThrown);
97    }
98
99
100    public static void stringIndexOfTest() {
101        String str0 = "";
102        String str3 = "abc";
103        String str10 = "abcdefghij";
104        String str40 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc";
105        int i;
106
107        for (i = 0; i < 1000; i++) {
108            assert(str0.indexOf('a') == -1);
109            assert(str3.indexOf('a') == 0);
110            assert(str3.indexOf('b') == 1);
111            assert(str3.indexOf('c') == 2);
112            assert(str10.indexOf('j') == 9);
113            assert(str40.indexOf('a') == 0);
114            assert(str40.indexOf('b') == 38);
115            assert(str40.indexOf('c') == 39);
116            assert(str0.indexOf('a',20) == -1);
117            assert(str0.indexOf('a',0) == -1);
118            assert(str0.indexOf('a',-1) == -1);
119            assert(str3.indexOf('a',0) == 0);
120            assert(str3.indexOf('a',1) == -1);
121            assert(str3.indexOf('a',1234) == -1);
122            assert(str3.indexOf('b',0) == 1);
123            assert(str3.indexOf('b',1) == 1);
124            assert(str3.indexOf('c',2) == 2);
125            assert(str10.indexOf('j',5) == 9);
126            assert(str10.indexOf('j',9) == 9);
127            assert(str40.indexOf('a',10) == 10);
128            assert(str40.indexOf('b',40) == -1);
129        }
130
131    }
132
133    public static void stringCompareToTest() {
134        String test = "0123456789";
135        String test1 = new String("0123456789");    // different object
136        String test2 = new String("0123456780");    // different value
137        String offset = new String("xxx0123456789yyy");
138        String sub = offset.substring(3, 13);
139        String str32 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
140        String str33 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxy";
141        String lc = "abcdefg";
142        String uc = "ABCDEFG";
143        Object blah = new Object();
144
145        for (int i = 0; i < 100; i++) {
146            String y = lc.toUpperCase();
147            Assert.assertTrue(y.equals(uc));
148        }
149
150        Assert.assertEquals(str32.compareTo(str33), -1);
151        Assert.assertEquals(str33.compareTo(str32), 1);
152
153        Assert.assertTrue(test.equals(test));
154        Assert.assertTrue(test.equals(test1));
155        Assert.assertFalse(test.equals(test2));
156
157        Assert.assertEquals(test.compareTo(test1), 0);
158        Assert.assertTrue(test1.compareTo(test2) > 0);
159        Assert.assertTrue(test2.compareTo(test1) < 0);
160
161        /* compare string with a nonzero offset, in left/right side */
162        Assert.assertEquals(test.compareTo(sub), 0);
163        Assert.assertEquals(sub.compareTo(test), 0);
164        Assert.assertTrue(test.equals(sub));
165        Assert.assertTrue(sub.equals(test));
166        /* same base, one is a substring */
167        Assert.assertFalse(offset.equals(sub));
168        Assert.assertFalse(sub.equals(offset));
169        /* wrong class */
170        Assert.assertFalse(test.equals(blah));
171
172        /* null ptr - throw */
173        try {
174            test.compareTo(null);
175            Assert.fail("didn't get expected npe");
176        } catch (NullPointerException npe) {
177        }
178        /* null ptr - ok */
179        Assert.assertFalse(test.equals(null));
180
181        test = test.substring(1);
182        Assert.assertTrue(test.equals("123456789"));
183        Assert.assertFalse(test.equals(test1));
184
185        test = test.substring(1);
186        Assert.assertTrue(test.equals("23456789"));
187
188        test = test.substring(1);
189        Assert.assertTrue(test.equals("3456789"));
190
191        test = test.substring(1);
192        Assert.assertTrue(test.equals("456789"));
193
194        test = test.substring(3,5);
195        Assert.assertTrue(test.equals("78"));
196
197        test = "this/is/a/path";
198        String[] strings = test.split("/");
199        Assert.assertEquals(4, strings.length);
200
201        Assert.assertEquals("this is a path", test.replaceAll("/", " "));
202        Assert.assertEquals("this is a path", test.replace("/", " "));
203    }
204
205}
206