Commit 9e0609db authored by lrn@chromium.org's avatar lrn@chromium.org

Most operations are faster than before.


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@492 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
parent 49c5ed00
This diff is collapsed.
......@@ -27,6 +27,12 @@
var s = "test test test";
assertEquals(0, s.indexOf("t"));
assertEquals(3, s.indexOf("t", 1));
assertEquals(5, s.indexOf("t", 4));
assertEquals(1, s.indexOf("e"));
assertEquals(2, s.indexOf("s"));
assertEquals(5, s.indexOf("test", 4));
assertEquals(5, s.indexOf("test", 5));
assertEquals(10, s.indexOf("test", 6));
......@@ -47,3 +53,104 @@ assertEquals(4, reString.indexOf("[a-z]+"));
assertEquals(10, reString.indexOf("(asdf)?"));
assertEquals(1, String.prototype.indexOf.length);
// Random greek letters
var twoByteString = "\u039a\u0391\u03a3\u03a3\u0395";
// Test single char pattern
assertEquals(0, twoByteString.indexOf("\u039a"), "Lamda");
assertEquals(1, twoByteString.indexOf("\u0391"), "Alpha");
assertEquals(2, twoByteString.indexOf("\u03a3"), "First Sigma");
assertEquals(3, twoByteString.indexOf("\u03a3",3), "Second Sigma");
assertEquals(4, twoByteString.indexOf("\u0395"), "Epsilon");
assertEquals(-1, twoByteString.indexOf("\u0392"), "Not beta");
// Test multi-char pattern
assertEquals(0, twoByteString.indexOf("\u039a\u0391"), "lambda Alpha");
assertEquals(1, twoByteString.indexOf("\u0391\u03a3"), "Alpha Sigma");
assertEquals(2, twoByteString.indexOf("\u03a3\u03a3"), "Sigma Sigma");
assertEquals(3, twoByteString.indexOf("\u03a3\u0395"), "Sigma Epsilon");
assertEquals(-1, twoByteString.indexOf("\u0391\u03a3\u0395"),
"Not Alpha Sigma Epsilon");
//single char pattern
assertEquals(4, twoByteString.indexOf("\u0395"));
// Test complex string indexOf algorithms. Only trigger for long strings.
// Long string that isn't a simple repeat of a shorter string.
var long = "A";
for(var i = 66; i < 76; i++) { // from 'B' to 'K'
long = long + String.fromCharCode(i) + long;
}
// pattern of 15 chars, repeated every 16 chars in long
var pattern = "ABACABADABACABA";
for(var i = 0; i < long.length - pattern.length; i+= 7) {
var index = long.indexOf(pattern, i);
assertEquals((i + 15) & ~0xf, index, "Long ABACABA...-string at index " + i);
}
assertEquals(510, long.indexOf("AJABACA"), "Long AJABACA, First J");
assertEquals(1534, long.indexOf("AJABACA", 511), "Long AJABACA, Second J");
pattern = "JABACABADABACABA";
assertEquals(511, long.indexOf(pattern), "Long JABACABA..., First J");
assertEquals(1535, long.indexOf(pattern, 512), "Long JABACABA..., Second J");
var lipsum = "lorem ipsum per se esse fugiendum. itaque aiunt hanc quasi "
+ "naturalem atque insitam in animis nostris inesse notionem, ut "
+ "alterum esse appetendum, alterum aspernandum sentiamus. Alii autem,"
+ " quibus ego assentior, cum a philosophis compluribus permulta "
+ "dicantur, cur nec voluptas in bonis sit numeranda nec in malis "
+ "dolor, non existimant oportere nimium nos causae confidere, sed et"
+ " argumentandum et accurate disserendum et rationibus conquisitis de"
+ " voluptate et dolore disputandum putant.\n"
+ "Sed ut perspiciatis, unde omnis iste natus error sit voluptatem "
+ "accusantium doloremque laudantium, totam rem aperiam eaque ipsa,"
+ "quae ab illo inventore veritatis et quasi architecto beatae vitae "
+ "dicta sunt, explicabo. nemo enim ipsam voluptatem, quia voluptas"
+ "sit, aspernatur aut odit aut fugit, sed quia consequuntur magni"
+ " dolores eos, qui ratione voluptatem sequi nesciunt, neque porro"
+ " quisquam est, qui dolorem ipsum, quia dolor sit, amet, "
+ "consectetur, adipisci velit, sed quia non numquam eius modi"
+ " tempora incidunt, ut labore et dolore magnam aliquam quaerat "
+ "voluptatem. ut enim ad minima veniam, quis nostrum exercitationem "
+ "ullam corporis suscipit laboriosam, nisi ut aliquid ex ea commodi "
+ "consequatur? quis autem vel eum iure reprehenderit, qui in ea "
+ "voluptate velit esse, quam nihil molestiae consequatur, vel illum, "
+ "qui dolorem eum fugiat, quo voluptas nulla pariatur?\n"
+ "At vero eos et accusamus et iusto odio dignissimos ducimus, qui "
+ "blanditiis praesentium voluptatum deleniti atque corrupti, quos "
+ "dolores et quas molestias excepturi sint, obcaecati cupiditate "
+ "non provident, similique sunt in culpa, qui officia deserunt "
+ "mollitia animi, id est laborum et dolorum fuga. et harum quidem "
+ "rerum facilis est et expedita distinctio. nam libero tempore, "
+ "cum soluta nobis est eligendi optio, cumque nihil impedit, quo "
+ "minus id, quod maxime placeat, facere possimus, omnis voluptas "
+ "assumenda est, omnis dolor repellendus. temporibus autem "
+ "quibusdam et aut officiis debitis aut rerum necessitatibus "
+ "saepe eveniet, ut et voluptates repudiandae sint et molestiae "
+ "non recusandae. itaque earum rerum hic tenetur a sapiente "
+ "delectus, ut aut reiciendis voluptatibus maiores alias consequatur "
+ "aut perferendis doloribus asperiores repellat.";
assertEquals(893, lipsum.indexOf("lorem ipsum, quia dolor sit, amet"),
"Lipsum");
// test a lot of substrings of differing length and start-position.
for(var i = 255; i < lipsum.length; i += 3) {
for(var len = 661; i + len < lipsum.length; len += 4) {
var substring = lipsum.substring(i, i + len);
var index = -1;
do {
index = lipsum.indexOf(substring, index + 1);
assertTrue(index != -1,
"Lipsum substring " + i + ".." + (i + len-1) + " not found");
assertEquals(lipsum.substring(index, index + len), substring,
"Wrong lipsum substring found: " + i + ".." + (i + len - 1) + "/" +
index + ".." + (index + len - 1));
} while (index >= 0 && index < i);
assertEquals(i, index, "Lipsum match at " + i + ".." + (i + len - 1));
}
}
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