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+/* -*- 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/. */
+
+
+/**
+ File Name: 15.5.4.8-2.js
+ ECMA Section: 15.5.4.8 String.prototype.split( separator )
+ Description:
+
+ Returns an Array object into which substrings of the result of converting
+ this object to a string have been stored. The substrings are determined by
+ searching from left to right for occurrences of the given separator; these
+ occurrences are not part of any substring in the returned array, but serve
+ to divide up this string value. The separator may be a string of any length.
+
+ As a special case, if the separator is the empty string, the string is split
+ up into individual characters; the length of the result array equals the
+ length of the string, and each substring contains one character.
+
+ If the separator is not supplied, then the result array contains just one
+ string, which is the string.
+
+ When the split method is called with one argument separator, the following steps are taken:
+
+ 1. Call ToString, giving it the this value as its argument.
+ 2. Create a new Array object of length 0 and call it A.
+ 3. If separator is not supplied, call the [[Put]] method of A with 0 and
+ Result(1) as arguments, and then return A.
+ 4. Call ToString(separator).
+ 5. Compute the number of characters in Result(1).
+ 6. Compute the number of characters in the string that is Result(4).
+ 7. Let p be 0.
+ 8. If Result(6) is zero (the separator string is empty), go to step 17.
+ 9. Compute the smallest possible integer k not smaller than p such that
+ k+Result(6) is not greater than Result(5), and for all nonnegative
+ integers j less than Result(6), the character at position k+j of
+ Result(1) is the same as the character at position j of Result(2);
+ but if there is no such integer k, then go to step 14.
+ 10. Compute a string value equal to the substring of Result(1), consisting
+ of the characters at positions p through k1, inclusive.
+ 11. Call the [[Put]] method of A with A.length and Result(10) as arguments.
+ 12. Let p be k+Result(6).
+ 13. Go to step 9.
+ 14. Compute a string value equal to the substring of Result(1), consisting
+ of the characters from position p to the end of Result(1).
+ 15. Call the [[Put]] method of A with A.length and Result(14) as arguments.
+ 16. Return A.
+ 17. If p equals Result(5), return A.
+ 18. Compute a string value equal to the substring of Result(1), consisting of
+ the single character at position p.
+ 19. Call the [[Put]] method of A with A.length and Result(18) as arguments.
+ 20. Increase p by 1.
+ 21. Go to step 17.
+
+ Note that the split function is intentionally generic; it does not require that its this value be a String
+ object. Therefore it can be transferred to other kinds of objects for use as a method.
+
+ Author: christine@netscape.com
+ Date: 12 november 1997
+*/
+
+var SECTION = "15.5.4.8-2";
+var VERSION = "ECMA_1";
+startTest();
+var TITLE = "String.prototype.split";
+
+writeHeaderToLog( SECTION + " "+ TITLE);
+
+// case where separator is the empty string.
+
+var TEST_STRING = "this is a string object";
+
+new TestCase( SECTION,
+ "var s = new String( "+ TEST_STRING +" ); s.split('').length",
+ TEST_STRING.length,
+ eval("var s = new String( TEST_STRING ); s.split('').length") );
+
+for ( var i = 0; i < TEST_STRING.length; i++ ) {
+
+ new TestCase( SECTION,
+ "var s = new String( "+TEST_STRING+" ); s.split('')["+i+"]",
+ TEST_STRING.charAt(i),
+ eval("var s = new String( TEST_STRING ); s.split('')["+i+"]") );
+}
+
+// case where the value of the separator is undefined. in this case,
+// the this value is returned.
+
+var TEST_STRING = "thisundefinedisundefinedaundefinedstringundefinedobject";
+var EXPECT_STRING = new Array( TEST_STRING );
+
+new TestCase( SECTION,
+ "var s = new String( "+ TEST_STRING +" ); s.split(void 0).length",
+ EXPECT_STRING.length,
+ eval("var s = new String( TEST_STRING ); s.split(void 0).length") );
+
+for ( var i = 0; i < EXPECT_STRING.length; i++ ) {
+ new TestCase( SECTION,
+ "var s = new String( "+TEST_STRING+" ); s.split(void 0)["+i+"]",
+ EXPECT_STRING[i],
+ eval("var s = new String( TEST_STRING ); s.split(void 0)["+i+"]") );
+}
+
+// case where the value of the separator is null. in this case the value of the separator is "null".
+TEST_STRING = "thisnullisnullanullstringnullobject";
+var EXPECT_STRING = new Array( "this", "is", "a", "string", "object" );
+
+new TestCase( SECTION,
+ "var s = new String( "+ TEST_STRING +" ); s.split(null).length",
+ EXPECT_STRING.length,
+ eval("var s = new String( TEST_STRING ); s.split(null).length") );
+
+for ( var i = 0; i < EXPECT_STRING.length; i++ ) {
+ new TestCase( SECTION,
+ "var s = new String( "+TEST_STRING+" ); s.split(null)["+i+"]",
+ EXPECT_STRING[i],
+ eval("var s = new String( TEST_STRING ); s.split(null)["+i+"]") );
+}
+
+// case where the value of the separator is a boolean.
+TEST_STRING = "thistrueistrueatruestringtrueobject";
+var EXPECT_STRING = new Array( "this", "is", "a", "string", "object" );
+
+new TestCase( SECTION,
+ "var s = new String( "+ TEST_STRING +" ); s.split(true).length",
+ EXPECT_STRING.length,
+ eval("var s = new String( TEST_STRING ); s.split(true).length") );
+
+for ( var i = 0; i < EXPECT_STRING.length; i++ ) {
+ new TestCase( SECTION,
+ "var s = new String( "+TEST_STRING+" ); s.split(true)["+i+"]",
+ EXPECT_STRING[i],
+ eval("var s = new String( TEST_STRING ); s.split(true)["+i+"]") );
+}
+
+// case where the value of the separator is a number
+TEST_STRING = "this123is123a123string123object";
+var EXPECT_STRING = new Array( "this", "is", "a", "string", "object" );
+
+new TestCase( SECTION,
+ "var s = new String( "+ TEST_STRING +" ); s.split(123).length",
+ EXPECT_STRING.length,
+ eval("var s = new String( TEST_STRING ); s.split(123).length") );
+
+for ( var i = 0; i < EXPECT_STRING.length; i++ ) {
+ new TestCase( SECTION,
+ "var s = new String( "+TEST_STRING+" ); s.split(123)["+i+"]",
+ EXPECT_STRING[i],
+ eval("var s = new String( TEST_STRING ); s.split(123)["+i+"]") );
+}
+
+
+// case where the value of the separator is a number
+TEST_STRING = "this123is123a123string123object";
+var EXPECT_STRING = new Array( "this", "is", "a", "string", "object" );
+
+new TestCase( SECTION,
+ "var s = new String( "+ TEST_STRING +" ); s.split(123).length",
+ EXPECT_STRING.length,
+ eval("var s = new String( TEST_STRING ); s.split(123).length") );
+
+for ( var i = 0; i < EXPECT_STRING.length; i++ ) {
+ new TestCase( SECTION,
+ "var s = new String( "+TEST_STRING+" ); s.split(123)["+i+"]",
+ EXPECT_STRING[i],
+ eval("var s = new String( TEST_STRING ); s.split(123)["+i+"]") );
+}
+
+// case where the separator is not in the string
+TEST_STRING = "this is a string";
+EXPECT_STRING = new Array( "this is a string" );
+
+new TestCase( SECTION,
+ "var s = new String( " + TEST_STRING + " ); s.split(':').length",
+ 1,
+ eval("var s = new String( TEST_STRING ); s.split(':').length") );
+
+new TestCase( SECTION,
+ "var s = new String( " + TEST_STRING + " ); s.split(':')[0]",
+ TEST_STRING,
+ eval("var s = new String( TEST_STRING ); s.split(':')[0]") );
+
+// case where part but not all of separator is in the string.
+TEST_STRING = "this is a string";
+EXPECT_STRING = new Array( "this is a string" );
+new TestCase( SECTION,
+ "var s = new String( " + TEST_STRING + " ); s.split('strings').length",
+ 1,
+ eval("var s = new String( TEST_STRING ); s.split('strings').length") );
+
+new TestCase( SECTION,
+ "var s = new String( " + TEST_STRING + " ); s.split('strings')[0]",
+ TEST_STRING,
+ eval("var s = new String( TEST_STRING ); s.split('strings')[0]") );
+
+// case where the separator is at the end of the string
+TEST_STRING = "this is a string";
+EXPECT_STRING = new Array( "this is a " );
+new TestCase( SECTION,
+ "var s = new String( " + TEST_STRING + " ); s.split('string').length",
+ 2,
+ eval("var s = new String( TEST_STRING ); s.split('string').length") );
+
+for ( var i = 0; i < EXPECT_STRING.length; i++ ) {
+ new TestCase( SECTION,
+ "var s = new String( "+TEST_STRING+" ); s.split('string')["+i+"]",
+ EXPECT_STRING[i],
+ eval("var s = new String( TEST_STRING ); s.split('string')["+i+"]") );
+}
+
+test();