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jeffhao5d1ac922011-09-29 17:41:15 -07001/*
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
jeffhao5d1ac922011-09-29 17:41:15 -070017import junit.framework.Assert;
18
19public class Main {
Elliott Hughes28c384b2012-06-15 16:46:25 -070020 public static void main(String args[]) {
21 test_Double_doubleToRawLongBits();
22 test_Double_longBitsToDouble();
23 test_Float_floatToRawIntBits();
24 test_Float_intBitsToFloat();
25 test_Math_abs_I();
26 test_Math_abs_J();
27 test_Math_min();
28 test_Math_max();
Sebastien Hertzbf1442d2013-03-05 15:12:40 +010029 test_StrictMath_abs_I();
30 test_StrictMath_abs_J();
31 test_StrictMath_min();
32 test_StrictMath_max();
Elliott Hughes28c384b2012-06-15 16:46:25 -070033 test_String_charAt();
34 test_String_compareTo();
35 test_String_indexOf();
36 test_String_isEmpty();
37 test_String_length();
38 }
39
40 public static void test_String_length() {
41 String str0 = "";
42 String str1 = "x";
43 String str80 = "01234567890123456789012345678901234567890123456789012345678901234567890123456789";
44
45 Assert.assertEquals(str0.length(), 0);
46 Assert.assertEquals(str1.length(), 1);
47 Assert.assertEquals(str80.length(), 80);
48
49 String strNull = null;
50 try {
51 strNull.length();
52 Assert.fail();
53 } catch (NullPointerException expected) {
54 }
55 }
56
57 public static void test_String_isEmpty() {
58 String str0 = "";
59 String str1 = "x";
60
61 Assert.assertTrue(str0.isEmpty());
62 Assert.assertFalse(str1.isEmpty());
63
64 String strNull = null;
65 try {
66 strNull.isEmpty();
67 Assert.fail();
68 } catch (NullPointerException expected) {
69 }
70 }
71
72 public static void test_String_charAt() {
73 String testStr = "Now is the time";
74
75 Assert.assertEquals('N', testStr.charAt(0));
76 Assert.assertEquals('o', testStr.charAt(1));
77 Assert.assertEquals(' ', testStr.charAt(10));
78 Assert.assertEquals('e', testStr.charAt(testStr.length()-1));
79
80 try {
81 testStr.charAt(-1);
82 Assert.fail();
83 } catch (StringIndexOutOfBoundsException expected) {
84 }
85 try {
86 testStr.charAt(80);
87 Assert.fail();
88 } catch (StringIndexOutOfBoundsException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -070089 }
90
Elliott Hughes28c384b2012-06-15 16:46:25 -070091 String strNull = null;
92 try {
93 strNull.charAt(0);
94 Assert.fail();
95 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -070096 }
Elliott Hughes28c384b2012-06-15 16:46:25 -070097 }
jeffhao5d1ac922011-09-29 17:41:15 -070098
Elliott Hughes28c384b2012-06-15 16:46:25 -070099 public static void test_String_indexOf() {
100 String str0 = "";
101 String str3 = "abc";
102 String str10 = "abcdefghij";
103 String str40 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc";
jeffhao5d1ac922011-09-29 17:41:15 -0700104
Elliott Hughes28c384b2012-06-15 16:46:25 -0700105 int supplementaryChar = 0x20b9f;
106 String surrogatePair = "\ud842\udf9f";
107 String stringWithSurrogates = "hello " + surrogatePair + " world";
jeffhao5d1ac922011-09-29 17:41:15 -0700108
Elliott Hughes28c384b2012-06-15 16:46:25 -0700109 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar), "hello ".length());
110 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 2), "hello ".length());
111 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 6), 6);
112 Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 7), -1);
jeffhao5d1ac922011-09-29 17:41:15 -0700113
Elliott Hughes28c384b2012-06-15 16:46:25 -0700114 Assert.assertEquals(str0.indexOf('a'), -1);
115 Assert.assertEquals(str3.indexOf('a'), 0);
116 Assert.assertEquals(str3.indexOf('b'), 1);
117 Assert.assertEquals(str3.indexOf('c'), 2);
118 Assert.assertEquals(str10.indexOf('j'), 9);
119 Assert.assertEquals(str40.indexOf('a'), 0);
120 Assert.assertEquals(str40.indexOf('b'), 38);
121 Assert.assertEquals(str40.indexOf('c'), 39);
122 Assert.assertEquals(str0.indexOf('a',20), -1);
123 Assert.assertEquals(str0.indexOf('a',0), -1);
124 Assert.assertEquals(str0.indexOf('a',-1), -1);
125 Assert.assertEquals(str3.indexOf('a',0), 0);
126 Assert.assertEquals(str3.indexOf('a',1), -1);
127 Assert.assertEquals(str3.indexOf('a',1234), -1);
128 Assert.assertEquals(str3.indexOf('b',0), 1);
129 Assert.assertEquals(str3.indexOf('b',1), 1);
130 Assert.assertEquals(str3.indexOf('c',2), 2);
131 Assert.assertEquals(str10.indexOf('j',5), 9);
132 Assert.assertEquals(str10.indexOf('j',9), 9);
133 Assert.assertEquals(str40.indexOf('a',10), 10);
134 Assert.assertEquals(str40.indexOf('b',40), -1);
135
136 String strNull = null;
137 try {
138 strNull.indexOf('a');
139 Assert.fail();
140 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700141 }
Elliott Hughes28c384b2012-06-15 16:46:25 -0700142 try {
143 strNull.indexOf('a', 0);
144 Assert.fail();
145 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700146 }
Elliott Hughes28c384b2012-06-15 16:46:25 -0700147 try {
148 strNull.indexOf('a', -1);
149 Assert.fail();
150 } catch (NullPointerException expected) {
jeffhao5d1ac922011-09-29 17:41:15 -0700151 }
Elliott Hughes28c384b2012-06-15 16:46:25 -0700152 }
jeffhao5d1ac922011-09-29 17:41:15 -0700153
Elliott Hughes28c384b2012-06-15 16:46:25 -0700154 public static void test_String_compareTo() {
155 String test = "0123456789";
156 String test1 = new String("0123456789"); // different object
157 String test2 = new String("0123456780"); // different value
158 String offset = new String("xxx0123456789yyy");
159 String sub = offset.substring(3, 13);
160 String str32 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
161 String str33 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxy";
162 String lc = "abcdefg";
163 String uc = "ABCDEFG";
164 Object blah = new Object();
165
166 Assert.assertTrue(lc.toUpperCase().equals(uc));
167
168 Assert.assertEquals(str32.compareTo(str33), -1);
169 Assert.assertEquals(str33.compareTo(str32), 1);
170
171 Assert.assertTrue(test.equals(test));
172 Assert.assertTrue(test.equals(test1));
173 Assert.assertFalse(test.equals(test2));
174
175 Assert.assertEquals(test.compareTo(test1), 0);
176 Assert.assertTrue(test1.compareTo(test2) > 0);
177 Assert.assertTrue(test2.compareTo(test1) < 0);
178
179 // Compare string with a nonzero offset, in left/right side.
180 Assert.assertEquals(test.compareTo(sub), 0);
181 Assert.assertEquals(sub.compareTo(test), 0);
182 Assert.assertTrue(test.equals(sub));
183 Assert.assertTrue(sub.equals(test));
184 // Same base, one is a substring.
185 Assert.assertFalse(offset.equals(sub));
186 Assert.assertFalse(sub.equals(offset));
187 // Wrong class.
188 Assert.assertFalse(test.equals(blah));
189
190 // Null lhs - throw.
191 try {
192 test.compareTo(null);
193 Assert.fail("didn't get expected npe");
194 } catch (NullPointerException npe) {
195 }
196 // Null rhs - okay.
197 Assert.assertFalse(test.equals(null));
198
199 test = test.substring(1);
200 Assert.assertTrue(test.equals("123456789"));
201 Assert.assertFalse(test.equals(test1));
202
203 test = test.substring(1);
204 Assert.assertTrue(test.equals("23456789"));
205
206 test = test.substring(1);
207 Assert.assertTrue(test.equals("3456789"));
208
209 test = test.substring(1);
210 Assert.assertTrue(test.equals("456789"));
211
212 test = test.substring(3,5);
213 Assert.assertTrue(test.equals("78"));
214
215 test = "this/is/a/path";
216 String[] strings = test.split("/");
217 Assert.assertEquals(4, strings.length);
218
219 Assert.assertEquals("this is a path", test.replaceAll("/", " "));
220 Assert.assertEquals("this is a path", test.replace("/", " "));
221 }
222
223 public static void test_Math_abs_I() {
224 Assert.assertEquals(Math.abs(0), 0);
225 Assert.assertEquals(Math.abs(123), 123);
226 Assert.assertEquals(Math.abs(-123), 123);
227 Assert.assertEquals(Math.abs(Integer.MAX_VALUE), Integer.MAX_VALUE);
228 Assert.assertEquals(Math.abs(Integer.MIN_VALUE), Integer.MIN_VALUE);
229 Assert.assertEquals(Math.abs(Integer.MIN_VALUE - 1), Integer.MAX_VALUE);
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100230 Assert.assertEquals(Math.abs(Integer.MIN_VALUE + 1), Integer.MAX_VALUE);
Elliott Hughes28c384b2012-06-15 16:46:25 -0700231 }
232
233 public static void test_Math_abs_J() {
234 Assert.assertEquals(Math.abs(0L), 0L);
235 Assert.assertEquals(Math.abs(123L), 123L);
236 Assert.assertEquals(Math.abs(-123L), 123L);
237 Assert.assertEquals(Math.abs(Long.MAX_VALUE), Long.MAX_VALUE);
238 Assert.assertEquals(Math.abs(Long.MIN_VALUE), Long.MIN_VALUE);
239 Assert.assertEquals(Math.abs(Long.MIN_VALUE - 1), Long.MAX_VALUE);
240 }
241
242 public static void test_Math_min() {
243 Assert.assertEquals(Math.min(0, 0), 0);
244 Assert.assertEquals(Math.min(1, 0), 0);
245 Assert.assertEquals(Math.min(0, 1), 0);
246 Assert.assertEquals(Math.min(0, Integer.MAX_VALUE), 0);
247 Assert.assertEquals(Math.min(Integer.MIN_VALUE, 0), Integer.MIN_VALUE);
248 Assert.assertEquals(Math.min(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MIN_VALUE);
249 }
250
251 public static void test_Math_max() {
252 Assert.assertEquals(Math.max(0, 0), 0);
253 Assert.assertEquals(Math.max(1, 0), 1);
254 Assert.assertEquals(Math.max(0, 1), 1);
255 Assert.assertEquals(Math.max(0, Integer.MAX_VALUE), Integer.MAX_VALUE);
256 Assert.assertEquals(Math.max(Integer.MIN_VALUE, 0), 0);
257 Assert.assertEquals(Math.max(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MAX_VALUE);
258 }
259
Sebastien Hertzbf1442d2013-03-05 15:12:40 +0100260 public static void test_StrictMath_abs_I() {
261 Assert.assertEquals(StrictMath.abs(0), 0);
262 Assert.assertEquals(StrictMath.abs(123), 123);
263 Assert.assertEquals(StrictMath.abs(-123), 123);
264 Assert.assertEquals(StrictMath.abs(Integer.MAX_VALUE), Integer.MAX_VALUE);
265 Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE), Integer.MIN_VALUE);
266 Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE - 1), Integer.MAX_VALUE);
267 Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE + 1), Integer.MAX_VALUE);
268 }
269
270 public static void test_StrictMath_abs_J() {
271 Assert.assertEquals(StrictMath.abs(0L), 0L);
272 Assert.assertEquals(StrictMath.abs(123L), 123L);
273 Assert.assertEquals(StrictMath.abs(-123L), 123L);
274 Assert.assertEquals(StrictMath.abs(Long.MAX_VALUE), Long.MAX_VALUE);
275 Assert.assertEquals(StrictMath.abs(Long.MIN_VALUE), Long.MIN_VALUE);
276 Assert.assertEquals(StrictMath.abs(Long.MIN_VALUE - 1), Long.MAX_VALUE);
277 }
278
279 public static void test_StrictMath_min() {
280 Assert.assertEquals(StrictMath.min(0, 0), 0);
281 Assert.assertEquals(StrictMath.min(1, 0), 0);
282 Assert.assertEquals(StrictMath.min(0, 1), 0);
283 Assert.assertEquals(StrictMath.min(0, Integer.MAX_VALUE), 0);
284 Assert.assertEquals(StrictMath.min(Integer.MIN_VALUE, 0), Integer.MIN_VALUE);
285 Assert.assertEquals(StrictMath.min(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MIN_VALUE);
286 }
287
288 public static void test_StrictMath_max() {
289 Assert.assertEquals(StrictMath.max(0, 0), 0);
290 Assert.assertEquals(StrictMath.max(1, 0), 1);
291 Assert.assertEquals(StrictMath.max(0, 1), 1);
292 Assert.assertEquals(StrictMath.max(0, Integer.MAX_VALUE), Integer.MAX_VALUE);
293 Assert.assertEquals(StrictMath.max(Integer.MIN_VALUE, 0), 0);
294 Assert.assertEquals(StrictMath.max(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MAX_VALUE);
295 }
296
Elliott Hughes28c384b2012-06-15 16:46:25 -0700297 public static void test_Float_floatToRawIntBits() {
298 Assert.assertEquals(Float.floatToRawIntBits(-1.0f), 0xbf800000);
299 Assert.assertEquals(Float.floatToRawIntBits(0.0f), 0);
300 Assert.assertEquals(Float.floatToRawIntBits(1.0f), 0x3f800000);
301 Assert.assertEquals(Float.floatToRawIntBits(Float.NaN), 0x7fc00000);
302 Assert.assertEquals(Float.floatToRawIntBits(Float.POSITIVE_INFINITY), 0x7f800000);
303 Assert.assertEquals(Float.floatToRawIntBits(Float.NEGATIVE_INFINITY), 0xff800000);
304 }
305
306 public static void test_Float_intBitsToFloat() {
307 Assert.assertEquals(Float.intBitsToFloat(0xbf800000), -1.0f);
308 Assert.assertEquals(Float.intBitsToFloat(0x00000000), 0.0f);
309 Assert.assertEquals(Float.intBitsToFloat(0x3f800000), 1.0f);
310 Assert.assertEquals(Float.intBitsToFloat(0x7fc00000), Float.NaN);
311 Assert.assertEquals(Float.intBitsToFloat(0x7f800000), Float.POSITIVE_INFINITY);
312 Assert.assertEquals(Float.intBitsToFloat(0xff800000), Float.NEGATIVE_INFINITY);
313 }
314
315 public static void test_Double_doubleToRawLongBits() {
316 Assert.assertEquals(Double.doubleToRawLongBits(-1.0), 0xbff0000000000000L);
317 Assert.assertEquals(Double.doubleToRawLongBits(0.0), 0x0000000000000000L);
318 Assert.assertEquals(Double.doubleToRawLongBits(1.0), 0x3ff0000000000000L);
319 Assert.assertEquals(Double.doubleToRawLongBits(Double.NaN), 0x7ff8000000000000L);
320 Assert.assertEquals(Double.doubleToRawLongBits(Double.POSITIVE_INFINITY), 0x7ff0000000000000L);
321 Assert.assertEquals(Double.doubleToRawLongBits(Double.NEGATIVE_INFINITY), 0xfff0000000000000L);
322 }
323
324 public static void test_Double_longBitsToDouble() {
325 Assert.assertEquals(Double.longBitsToDouble(0xbff0000000000000L), -1.0);
326 Assert.assertEquals(Double.longBitsToDouble(0x0000000000000000L), 0.0);
327 Assert.assertEquals(Double.longBitsToDouble(0x3ff0000000000000L), 1.0);
328 Assert.assertEquals(Double.longBitsToDouble(0x7ff8000000000000L), Double.NaN);
329 Assert.assertEquals(Double.longBitsToDouble(0x7ff0000000000000L), Double.POSITIVE_INFINITY);
330 Assert.assertEquals(Double.longBitsToDouble(0xfff0000000000000L), Double.NEGATIVE_INFINITY);
331 }
jeffhao5d1ac922011-09-29 17:41:15 -0700332}