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-rw-r--r--deps/v8/test/mjsunit/regexp-global.js113
1 files changed, 113 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regexp-global.js b/deps/v8/test/mjsunit/regexp-global.js
index cc360d3ce..093dba17c 100644
--- a/deps/v8/test/mjsunit/regexp-global.js
+++ b/deps/v8/test/mjsunit/regexp-global.js
@@ -139,3 +139,116 @@ str = str.replace(/\b(?=u(p))/g, function(match, capture) {
});
assertEquals("1up 1up 1up 1up", str);
+
+
+// Create regexp that has a *lot* of captures.
+var re_string = "(a)";
+for (var i = 0; i < 500; i++) {
+ re_string = "(" + re_string + ")";
+}
+re_string = re_string + "1";
+// re_string = "(((...((a))...)))1"
+
+var regexps = new Array();
+var last_match_expectations = new Array();
+var first_capture_expectations = new Array();
+
+// Atomic regexp.
+regexps.push(/a1/g);
+last_match_expectations.push("a1");
+first_capture_expectations.push("");
+// Small regexp (no capture);
+regexps.push(/\w1/g);
+last_match_expectations.push("a1");
+first_capture_expectations.push("");
+// Small regexp (one capture).
+regexps.push(/(a)1/g);
+last_match_expectations.push("a1");
+first_capture_expectations.push("a");
+// Large regexp (a lot of captures).
+regexps.push(new RegExp(re_string, "g"));
+last_match_expectations.push("a1");
+first_capture_expectations.push("a");
+
+function test_replace(result_expectation,
+ subject,
+ regexp,
+ replacement) {
+ for (var i = 0; i < regexps.length; i++) {
+ // Overwrite last match info.
+ "deadbeef".replace(/(dead)beef/, "$1holeycow");
+ // Conduct tests.
+ assertEquals(result_expectation, subject.replace(regexps[i], replacement));
+ if (subject.length == 0) {
+ assertEquals("deadbeef", RegExp.lastMatch);
+ assertEquals("dead", RegExp["$1"]);
+ } else {
+ assertEquals(last_match_expectations[i], RegExp.lastMatch);
+ assertEquals(first_capture_expectations[i], RegExp["$1"]);
+ }
+ }
+}
+
+
+function test_match(result_expectation,
+ subject,
+ regexp) {
+ for (var i = 0; i < regexps.length; i++) {
+ // Overwrite last match info.
+ "deadbeef".replace(/(dead)beef/, "$1holeycow");
+ // Conduct tests.
+ if (result_expectation == null) {
+ assertNull(subject.match(regexps[i]));
+ } else {
+ assertArrayEquals(result_expectation, subject.match(regexps[i]));
+ }
+ if (subject.length == 0) {
+ assertEquals("deadbeef", RegExp.lastMatch);
+ assertEquals("dead", RegExp["$1"]);
+ } else {
+ assertEquals(last_match_expectations[i], RegExp.lastMatch);
+ assertEquals(first_capture_expectations[i], RegExp["$1"]);
+ }
+ }
+}
+
+
+// Test for different number of matches.
+for (var m = 0; m < 200; m++) {
+ // Create string that matches m times.
+ var subject = "";
+ var test_1_expectation = "";
+ var test_2_expectation = "";
+ var test_3_expectation = (m == 0) ? null : new Array();
+ for (var i = 0; i < m; i++) {
+ subject += "a11";
+ test_1_expectation += "x1";
+ test_2_expectation += "1";
+ test_3_expectation.push("a1");
+ }
+
+ // Test 1a: String.replace with string.
+ test_replace(test_1_expectation, subject, /a1/g, "x");
+
+ // Test 1b: String.replace with function.
+ function f() { return "x"; }
+ test_replace(test_1_expectation, subject, /a1/g, f);
+
+ // Test 2a: String.replace with empty string.
+ test_replace(test_2_expectation, subject, /a1/g, "");
+
+ // Test 3a: String.match.
+ test_match(test_3_expectation, subject, /a1/g);
+}
+
+
+// Test String hashing (compiling regular expression includes hashing).
+var crosscheck = "\x80";
+for (var i = 0; i < 12; i++) crosscheck += crosscheck;
+new RegExp(crosscheck);
+
+var subject = "ascii~only~string~here~";
+var replacement = "\x80";
+var result = subject.replace(/~/g, replacement);
+for (var i = 0; i < 5; i++) result += result;
+new RegExp(result);