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41 Description: 'This tests out some of the functionality on methods on the Array objects'
44 Date: Fri Feb 13 09:58:28 PST 1998
47 var SECTION = 'As described in Netscape doc "Whats new in JavaScript 1.2"';
48 var VERSION = 'no version';
50 var TITLE = 'String:slice';
52 writeHeaderToLog('Executing script: slice.js');
53 writeHeaderToLog( SECTION + " "+ TITLE);
55 var a = ['a','test string',456,9.34,new String("string object"),[],['h','i','j','k']];
56 var b = [1,2,3,4,5,6,7,8,9,0];
58 exhaustiveSliceTest("exhaustive slice test 1", a);
59 exhaustiveSliceTest("exhaustive slice test 2", b);
63 function mySlice(a, from, to)
70 if (from2 < 0) from2 = a.length + from;
71 if (to2 < 0) to2 = a.length + to;
73 if ((to2 > from2)&&(to2 > 0)&&(from2 < a.length))
75 if (from2 < 0) from2 = 0;
76 if (to2 > a.length) to2 = a.length;
78 for (i = from2; i < to2; ++i) returnArray.push(a[i]);
83 // This function tests the slice command on an Array
84 // passed in. The arguments passed into slice range in
85 // value from -5 to the length of the array + 4. Every
86 // combination of the two arguments is tested. The expected
87 // result of the slice(...) method is calculated and
88 // compared to the actual result from the slice(...) method.
89 // If the Arrays are not similar false is returned.
90 function exhaustiveSliceTest(testname, a)
98 for (x = -(2 + a.length); x <= (2 + a.length); x++)
99 for (y = (2 + a.length); y >= -(2 + a.length); y--)
101 var b = a.slice(x,y);
102 var c = mySlice(a,x,y);
104 if (String(b) != String(c))
107 "ERROR: 'TEST FAILED' ERROR: 'TEST FAILED' ERROR: 'TEST FAILED'\n" +
108 " test: " + "a.slice(" + x + "," + y + ")\n" +
109 " a: " + String(a) + "\n" +
110 " actual result: " + String(b) + "\n" +
111 " expected result: " + String(c) + "\n";
112 writeHeaderToLog(errorMessage);
113 reason = reason + errorMessage;
117 var testCase = new TestCase(SECTION, testname, true, passed);
119 testCase.reason = reason;