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|
var BUGNUMBER = 773687;
var summary = 'sticky flag should not break assertion behavior.';
print(BUGNUMBER + ": " + summary);
function test(re, text, expectations) {
// Sanity check for test data itself.
assertEq(expectations.length, text.length + 1);
for (var i = 0; i < expectations.length; i++) {
var result = expectations[i];
re.lastIndex = i;
var match = re.exec(text);
if (result === null) {
assertEq(re.lastIndex, 0);
assertEq(match, null);
} else {
assertEq(re.lastIndex, result.lastIndex);
assertEq(match !== null, true);
assertEq(match.length, result.matches.length);
for (var j = 0; j < result.matches.length; j++)
assertEq(match[j], result.matches[j]);
assertEq(match.index, result.index);
}
}
}
// simple text
test(/bc/y, "abcabd", [
null,
{ lastIndex: 3, matches: ["bc"], index: 1 },
null,
null,
null,
null,
null,
]);
// complex pattern
test(/bc|c|d/y, "abcabd", [
null,
{ lastIndex: 3, matches: ["bc"], index: 1 },
{ lastIndex: 3, matches: ["c"], index: 2 },
null,
null,
{ lastIndex: 6, matches: ["d"], index: 5 },
null,
]);
test(/.*(bc|c|d)/y, "abcabd", [
{ lastIndex: 6, matches: ["abcabd", "d"], index: 0 },
{ lastIndex: 6, matches: ["bcabd", "d"], index: 1 },
{ lastIndex: 6, matches: ["cabd", "d"], index: 2 },
{ lastIndex: 6, matches: ["abd", "d"], index: 3 },
{ lastIndex: 6, matches: ["bd", "d"], index: 4 },
{ lastIndex: 6, matches: ["d", "d"], index: 5 },
null,
]);
test(/.*?(bc|c|d)/y, "abcabd", [
{ lastIndex: 3, matches: ["abc", "bc"], index: 0 },
{ lastIndex: 3, matches: ["bc", "bc"], index: 1 },
{ lastIndex: 3, matches: ["c", "c"], index: 2 },
{ lastIndex: 6, matches: ["abd", "d"], index: 3 },
{ lastIndex: 6, matches: ["bd", "d"], index: 4 },
{ lastIndex: 6, matches: ["d", "d"], index: 5 },
null,
]);
test(/(bc|.*c|d)/y, "abcabd", [
{ lastIndex: 3, matches: ["abc", "abc"], index: 0 },
{ lastIndex: 3, matches: ["bc", "bc"], index: 1 },
{ lastIndex: 3, matches: ["c", "c"], index: 2 },
null,
null,
{ lastIndex: 6, matches: ["d", "d"], index: 5 },
null,
]);
// ^ assertions
test(/^/y, "abcabc", [
{ lastIndex: 0, matches: [""], index: 0 },
null,
null,
null,
null,
null,
null,
]);
test(/^a/my, "abc\nabc", [
{ lastIndex: 1, matches: ["a"], index: 0 },
null,
null,
null,
{ lastIndex: 5, matches: ["a"], index: 4 },
null,
null,
null,
]);
// \b assertions
test(/\b/y, "abc bc", [
{ lastIndex: 0, matches: [""], index: 0 },
null,
null,
{ lastIndex: 3, matches: [""], index: 3 },
{ lastIndex: 4, matches: [""], index: 4 },
null,
{ lastIndex: 6, matches: [""], index: 6 },
]);
// \B assertions
test(/\B/y, "abc bc", [
null,
{ lastIndex: 1, matches: [""], index: 1 },
{ lastIndex: 2, matches: [""], index: 2 },
null,
null,
{ lastIndex: 5, matches: [""], index: 5 },
null,
]);
if (typeof reportCompare === "function")
reportCompare(true, true);
|
