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Diffstat (limited to 'js/src/tests/js1_2/String/slice.js')
-rw-r--r-- | js/src/tests/js1_2/String/slice.js | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/js/src/tests/js1_2/String/slice.js b/js/src/tests/js1_2/String/slice.js new file mode 100644 index 000000000..e939434ae --- /dev/null +++ b/js/src/tests/js1_2/String/slice.js @@ -0,0 +1,90 @@ +/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + + +/** + Filename: slice.js + Description: 'This tests the String object method: slice' + + Author: Nick Lerissa + Date: Fri Feb 13 09:58:28 PST 1998 +*/ + +var SECTION = 'As described in Netscape doc "Whats new in JavaScript 1.2"'; +var VERSION = 'no version'; +startTest(); +var TITLE = 'String.slice'; + +writeHeaderToLog('Executing script: slice.js'); +writeHeaderToLog( SECTION + " "+ TITLE); + +var a = new String("abcdefghijklmnopqrstuvwxyz1234567890"); +var b = new String("this is a test string"); + +exhaustiveStringSliceTest("exhaustive String.slice test 1", a); +exhaustiveStringSliceTest("exhaustive String.slice test 2", b); + +test(); + + +function myStringSlice(a, from, to) +{ + var from2 = from; + var to2 = to; + var returnString = new String(""); + var i; + + if (from2 < 0) from2 = a.length + from; + if (to2 < 0) to2 = a.length + to; + + if ((to2 > from2)&&(to2 > 0)&&(from2 < a.length)) + { + if (from2 < 0) from2 = 0; + if (to2 > a.length) to2 = a.length; + + for (i = from2; i < to2; ++i) returnString += a.charAt(i); + } + return returnString; +} + +// This function tests the slice command on a String +// passed in. The arguments passed into slice range in +// value from -5 to the length of the array + 4. Every +// combination of the two arguments is tested. The expected +// result of the slice(...) method is calculated and +// compared to the actual result from the slice(...) method. +// If the Strings are not similar false is returned. +function exhaustiveStringSliceTest(testname, a) +{ + var x = 0; + var y = 0; + var errorMessage; + var reason = ""; + var passed = true; + + for (x = -(2 + a.length); x <= (2 + a.length); x++) + for (y = (2 + a.length); y >= -(2 + a.length); y--) + { + var b = a.slice(x,y); + var c = myStringSlice(a,x,y); + + if (String(b) != String(c)) + { + errorMessage = + "ERROR: 'TEST FAILED' ERROR: 'TEST FAILED' ERROR: 'TEST FAILED'\n" + + " test: " + "a.slice(" + x + "," + y + ")\n" + + " a: " + String(a) + "\n" + + " actual result: " + String(b) + "\n" + + " expected result: " + String(c) + "\n"; + writeHeaderToLog(errorMessage); + reason = reason + errorMessage; + passed = false; + } + } + var testCase = new TestCase(SECTION, testname, true, passed); + if (passed == false) + testCase.reason = reason; + return testCase; +} |