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-rw-r--r--js/src/tests/non262/RegExp/replace-trace.js299
1 files changed, 299 insertions, 0 deletions
diff --git a/js/src/tests/non262/RegExp/replace-trace.js b/js/src/tests/non262/RegExp/replace-trace.js
new file mode 100644
index 0000000000..8ddf0990e0
--- /dev/null
+++ b/js/src/tests/non262/RegExp/replace-trace.js
@@ -0,0 +1,299 @@
+var BUGNUMBER = 887016;
+var summary = "Trace RegExp.prototype[@@replace] behavior.";
+
+print(BUGNUMBER + ": " + summary);
+
+var n;
+var log;
+var target;
+var global;
+var unicode;
+
+var execResult;
+var lastIndexResult;
+var lastIndexExpected;
+
+var arraySetterObserved = false;
+function startObserve() {
+ for (var i = 0; i < 10; i++) {
+ Object.defineProperty(Array.prototype, i, {
+ set: function(v) {
+ arraySetterObserved = true;
+ },
+ configurable: true,
+ });
+ }
+}
+function stopObserve() {
+ for (var i = 0; i < 10; i++)
+ delete Array.prototype[i]
+}
+
+startObserve();
+
+function P(A, index, matched2) {
+ var i = 0;
+ A.index = index;
+ return new Proxy(A, {
+ get(that, name) {
+ log += "get:result[" + name + "],";
+
+ // Return a different value for 2nd access to result[0].
+ if (matched2 !== undefined && name == 0) {
+ if (i == 1) {
+ return matched2;
+ }
+ i++;
+ }
+
+ return that[name];
+ }
+ });
+}
+
+var myRegExp = {
+ get flags() {
+ log += "get:flags,";
+ var flags = "";
+ if (global) flags += "g";
+ if (unicode) flags += "u";
+ return flags;
+ },
+ get lastIndex() {
+ log += "get:lastIndex,";
+ return lastIndexResult[n];
+ },
+ set lastIndex(v) {
+ log += "set:lastIndex,";
+ assertEq(v, lastIndexExpected[n]);
+ },
+ get exec() {
+ log += "get:exec,";
+ return function(S) {
+ log += "call:exec,";
+ assertEq(S, target);
+ return execResult[n++];
+ };
+ },
+};
+
+function reset() {
+ n = 0;
+ log = "";
+ target = "abcAbcABC";
+ global = true;
+ unicode = false;
+ arraySetterObserved = false;
+}
+
+// Trace global with non-empty match.
+reset();
+execResult = [ P(["bc"], 1), null ];
+lastIndexResult = [ , , ];
+lastIndexExpected = [ 0, , ];
+var ret = RegExp.prototype[Symbol.replace].call(myRegExp, target, "_XYZ_");
+assertEq(arraySetterObserved, false);
+assertEq(ret, "a_XYZ_AbcABC");
+assertEq(log,
+ "get:flags," +
+ "set:lastIndex," +
+ "get:exec,call:exec," +
+ "get:result[0]," +
+ "get:exec,call:exec," +
+ "get:result[length],get:result[0],get:result[index],get:result[groups],");
+
+// Trace global with empty match.
+reset();
+execResult = [ P([""], 1), null ];
+lastIndexResult = [ , 5, ];
+lastIndexExpected = [ 0, 6, ];
+ret = RegExp.prototype[Symbol.replace].call(myRegExp, target, "_XYZ_");
+assertEq(arraySetterObserved, false);
+assertEq(ret, "a_XYZ_bcAbcABC");
+assertEq(log,
+ "get:flags," +
+ "set:lastIndex," +
+ "get:exec,call:exec," +
+ "get:result[0]," +
+ "get:lastIndex,set:lastIndex," +
+ "get:exec,call:exec," +
+ "get:result[length],get:result[0],get:result[index],get:result[groups],");
+
+// Trace global and unicode with empty match.
+// 1. not surrogate pair
+// 2. lead surrogate pair
+// 3. trail surrogate pair
+// 4. lead surrogate pair without trail surrogate pair
+// 5. index overflow
+reset();
+unicode = true;
+// 0123 4 5678
+target = "---\uD83D\uDC38---\uD83D";
+execResult = [ P([""], 1), P([""], 2), P([""], 3), P([""], 4), P([""], 5), null ];
+lastIndexResult = [ , 2, 3, 4, 8, 9, ];
+lastIndexExpected = [ 0, 3, 5, 5, 9, 10, ];
+ret = RegExp.prototype[Symbol.replace].call(myRegExp, target, "_XYZ_");
+assertEq(arraySetterObserved, false);
+assertEq(ret, "-_XYZ_-_XYZ_-_XYZ_\uD83D_XYZ_\uDC38_XYZ_---\uD83D");
+assertEq(log,
+ "get:flags," +
+ "set:lastIndex," +
+ "get:exec,call:exec," +
+ "get:result[0]," +
+ "get:lastIndex,set:lastIndex," +
+ "get:exec,call:exec," +
+ "get:result[0]," +
+ "get:lastIndex,set:lastIndex," +
+ "get:exec,call:exec," +
+ "get:result[0]," +
+ "get:lastIndex,set:lastIndex," +
+ "get:exec,call:exec," +
+ "get:result[0]," +
+ "get:lastIndex,set:lastIndex," +
+ "get:exec,call:exec," +
+ "get:result[0]," +
+ "get:lastIndex,set:lastIndex," +
+ "get:exec,call:exec," +
+ "get:result[length],get:result[0],get:result[index],get:result[groups]," +
+ "get:result[length],get:result[0],get:result[index],get:result[groups]," +
+ "get:result[length],get:result[0],get:result[index],get:result[groups]," +
+ "get:result[length],get:result[0],get:result[index],get:result[groups]," +
+ "get:result[length],get:result[0],get:result[index],get:result[groups],");
+
+// Trace global with captures and substitutions.
+reset();
+execResult = [ P(["bc", "b", "c"], 1), null ];
+lastIndexResult = [ , , ];
+lastIndexExpected = [ 0, , ];
+ret = RegExp.prototype[Symbol.replace].call(myRegExp, target, "[$&,$`,$',$1,$2,$3,$]");
+assertEq(arraySetterObserved, false);
+assertEq(ret, "a[bc,a,AbcABC,b,c,$3,$]AbcABC");
+assertEq(log,
+ "get:flags," +
+ "set:lastIndex," +
+ "get:exec,call:exec," +
+ "get:result[0]," +
+ "get:exec,call:exec," +
+ "get:result[length],get:result[0],get:result[index]," +
+ "get:result[1],get:result[2],get:result[groups],");
+
+// Trace global with empty match and captures and substitutions,
+// with different matched.
+reset();
+execResult = [ P(["", "b", "c"], 1, "BC"), null ];
+lastIndexResult = [ , 5, ];
+lastIndexExpected = [ 0, 6, ];
+ret = RegExp.prototype[Symbol.replace].call(myRegExp, target, "[$&,$`,$',$1,$2,$3,$]");
+assertEq(arraySetterObserved, false);
+assertEq(ret, "a[BC,a,AbcABC,b,c,$3,$]AbcABC");
+assertEq(log,
+ "get:flags," +
+ "set:lastIndex," +
+ "get:exec,call:exec," +
+ "get:result[0]," +
+ "get:lastIndex,set:lastIndex," +
+ "get:exec,call:exec," +
+ "get:result[length],get:result[0],get:result[index]," +
+ "get:result[1],get:result[2],get:result[groups],");
+
+// Trace global with empty match and captures and function,
+// with different matched.
+reset();
+execResult = [ P(["", "b", "c"], 1, "BC"), null ];
+lastIndexResult = [ , 5, ];
+lastIndexExpected = [ 0, 6, ];
+function replaceFunc(...args) {
+ log += "call:replaceFunc,";
+ assertEq(args.length, 5);
+ assertEq(args[0], "BC");
+ assertEq(args[1], "b");
+ assertEq(args[2], "c");
+ assertEq(args[3], 1);
+ assertEq(args[4], target);
+ return "_ret_";
+}
+// This also tests RegExpStatics save/restore with no match.
+ret = RegExp.prototype[Symbol.replace].call(myRegExp, target, replaceFunc);
+assertEq(arraySetterObserved, false);
+assertEq(ret, "a_ret_AbcABC");
+assertEq(log,
+ "get:flags," +
+ "set:lastIndex," +
+ "get:exec,call:exec," +
+ "get:result[0]," +
+ "get:lastIndex,set:lastIndex," +
+ "get:exec,call:exec," +
+ "get:result[length],get:result[0],get:result[index]," +
+ "get:result[1],get:result[2],get:result[groups]," +
+ "call:replaceFunc,");
+
+// Trace global with non-empty match, move backwards.
+// 2nd match shouldn't be replaced.
+reset();
+execResult = [ P(["X"], 5), P(["YZ"], 1), null ];
+lastIndexResult = [ , , , ];
+lastIndexExpected = [ 0, , , ];
+ret = RegExp.prototype[Symbol.replace].call(myRegExp, target, "_XYZ_");
+assertEq(arraySetterObserved, false);
+assertEq(ret, "abcAb_XYZ_ABC");
+assertEq(log,
+ "get:flags," +
+ "set:lastIndex," +
+ "get:exec,call:exec," +
+ "get:result[0]," +
+ "get:exec,call:exec," +
+ "get:result[0]," +
+ "get:exec,call:exec," +
+ "get:result[length],get:result[0],get:result[index],get:result[groups]," +
+ "get:result[length],get:result[0],get:result[index],get:result[groups],");
+
+// Trace global with non-empty match, position + matchLength overflows.
+reset();
+execResult = [ P(["fooooooo"], 7), null ];
+lastIndexResult = [ , , ];
+lastIndexExpected = [ 0, , ];
+ret = RegExp.prototype[Symbol.replace].call(myRegExp, target, "_XYZ_");
+assertEq(arraySetterObserved, false);
+assertEq(ret, "abcAbcA_XYZ_");
+assertEq(log,
+ "get:flags," +
+ "set:lastIndex," +
+ "get:exec,call:exec," +
+ "get:result[0]," +
+ "get:exec,call:exec," +
+ "get:result[length],get:result[0],get:result[index],get:result[groups],");
+
+// Trace global with non-empty match, position overflows.
+reset();
+execResult = [ P(["fooooooo"], 12), null ];
+lastIndexResult = [ , , ];
+lastIndexExpected = [ 0, , ];
+ret = RegExp.prototype[Symbol.replace].call(myRegExp, target, "_XYZ_");
+assertEq(arraySetterObserved, false);
+assertEq(ret, "abcAbcABC_XYZ_");
+assertEq(log,
+ "get:flags," +
+ "set:lastIndex," +
+ "get:exec,call:exec," +
+ "get:result[0]," +
+ "get:exec,call:exec," +
+ "get:result[length],get:result[0],get:result[index],get:result[groups],");
+
+// Trace non-global.
+reset();
+global = false;
+execResult = [ P(["bc"], 1) ];
+lastIndexResult = [ , , ];
+lastIndexExpected = [ 0, , ];
+ret = RegExp.prototype[Symbol.replace].call(myRegExp, target, "_XYZ_");
+assertEq(arraySetterObserved, false);
+assertEq(ret, "a_XYZ_AbcABC");
+assertEq(log,
+ "get:flags," +
+ "get:exec,call:exec," +
+ "get:result[length],get:result[0],get:result[index],get:result[groups],");
+
+stopObserve();
+
+if (typeof reportCompare === "function")
+ reportCompare(true, true);
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-19 07:00:52 +0000