/* * Copyright (C) 2007 The Android Open Source Project * * Licensed 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. */ /** * Test for Jit's handling of string inline-execute. Should be tested * twice - once using self-cosimulation (if available) and once without. * The non-self-cosimulation test ensures that the answer computed the first * time through (via the interpreter) is the same after looping enough * to trigger translation. */ import junit.framework.Assert; public class Main { public static void main(String args[]) { int i; stringLengthTest(); stringCharAtTest(); stringIndexOfTest(); for (i = 0; i < 1000; i++) stringCompareToTest(); } public static void stringLengthTest() { String str0 = ""; String str1 = "x"; String str80 = "01234567890123456789012345678901234567890123456789012345678901234567890123456789"; int len0 = str0.length(); int len1 = str1.length(); int len80 = str80.length(); int i; System.out.println("Length of " + str0 + " : " + len0); System.out.println("Length of " + str1 + " : " + len1); System.out.println("Length of " + str80 + " : " + len80); for (i = 0; i < 1000; i++) { assert(str0.length() == len0); assert(str1.length() == len1); assert(str80.length() == len80); } } public static void stringCharAtTest() { String testStr = "Now is the time"; int under = -1; int over = testStr.length(); int numThrown = 0; int numNotThrown = 0; int at0 = testStr.charAt(0); int at1 = testStr.charAt(1); int at10 = testStr.charAt(10); int atLast = testStr.charAt(testStr.length()-1); int i; System.out.println(testStr + "[0] = \"" + (char)at0 + "\""); System.out.println(testStr + "[1] = \"" + (char)at1 + "\""); System.out.println(testStr + "[10] = \"" + (char)at10 + "\""); System.out.println(testStr + "[last] = \"" + (char)atLast + "\""); for (i = 0; i < 1000; i++) { assert(at0 == testStr.charAt(0)); assert(at1 == testStr.charAt(1)); assert(at10 == testStr.charAt(10)); assert(atLast == testStr.charAt(testStr.length()-1)); } for (i = 0; i < 1000; i++) { try { testStr.charAt(under); numNotThrown++; } catch (StringIndexOutOfBoundsException sioobe) { numThrown++; } try { testStr.charAt(over); numNotThrown++; } catch (StringIndexOutOfBoundsException sioobe) { numThrown++; } } assert(numNotThrown == 0); System.out.println("Num throws " + numThrown); } public static void stringIndexOfTest() { String str0 = ""; String str3 = "abc"; String str10 = "abcdefghij"; String str40 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc"; int i; for (i = 0; i < 1000; i++) { assert(str0.indexOf('a') == -1); assert(str3.indexOf('a') == 0); assert(str3.indexOf('b') == 1); assert(str3.indexOf('c') == 2); assert(str10.indexOf('j') == 9); assert(str40.indexOf('a') == 0); assert(str40.indexOf('b') == 38); assert(str40.indexOf('c') == 39); assert(str0.indexOf('a',20) == -1); assert(str0.indexOf('a',0) == -1); assert(str0.indexOf('a',-1) == -1); assert(str3.indexOf('a',0) == 0); assert(str3.indexOf('a',1) == -1); assert(str3.indexOf('a',1234) == -1); assert(str3.indexOf('b',0) == 1); assert(str3.indexOf('b',1) == 1); assert(str3.indexOf('c',2) == 2); assert(str10.indexOf('j',5) == 9); assert(str10.indexOf('j',9) == 9); assert(str40.indexOf('a',10) == 10); assert(str40.indexOf('b',40) == -1); } } public static void stringCompareToTest() { String test = "0123456789"; String test1 = new String("0123456789"); // different object String test2 = new String("0123456780"); // different value String offset = new String("xxx0123456789yyy"); String sub = offset.substring(3, 13); String str32 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; String str33 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxy"; String lc = "abcdefg"; String uc = "ABCDEFG"; Object blah = new Object(); for (int i = 0; i < 100; i++) { String y = lc.toUpperCase(); Assert.assertTrue(y.equals(uc)); } Assert.assertEquals(str32.compareTo(str33), -1); Assert.assertEquals(str33.compareTo(str32), 1); Assert.assertTrue(test.equals(test)); Assert.assertTrue(test.equals(test1)); Assert.assertFalse(test.equals(test2)); Assert.assertEquals(test.compareTo(test1), 0); Assert.assertTrue(test1.compareTo(test2) > 0); Assert.assertTrue(test2.compareTo(test1) < 0); /* compare string with a nonzero offset, in left/right side */ Assert.assertEquals(test.compareTo(sub), 0); Assert.assertEquals(sub.compareTo(test), 0); Assert.assertTrue(test.equals(sub)); Assert.assertTrue(sub.equals(test)); /* same base, one is a substring */ Assert.assertFalse(offset.equals(sub)); Assert.assertFalse(sub.equals(offset)); /* wrong class */ Assert.assertFalse(test.equals(blah)); /* null ptr - throw */ try { test.compareTo(null); Assert.fail("didn't get expected npe"); } catch (NullPointerException npe) { } /* null ptr - ok */ Assert.assertFalse(test.equals(null)); test = test.substring(1); Assert.assertTrue(test.equals("123456789")); Assert.assertFalse(test.equals(test1)); test = test.substring(1); Assert.assertTrue(test.equals("23456789")); test = test.substring(1); Assert.assertTrue(test.equals("3456789")); test = test.substring(1); Assert.assertTrue(test.equals("456789")); test = test.substring(3,5); Assert.assertTrue(test.equals("78")); test = "this/is/a/path"; String[] strings = test.split("/"); Assert.assertEquals(4, strings.length); Assert.assertEquals("this is a path", test.replaceAll("/", " ")); Assert.assertEquals("this is a path", test.replace("/", " ")); } }