Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

5 files changed, 280 insertions, 0 deletions

diff --git a/js/src/tests/non262/arrow-functions/arrow-not-as-end-of-statement.js b/js/src/tests/non262/arrow-functions/arrow-not-as-end-of-statement.js
new file mode 100644
index 0000000000..53926d65da
--- /dev/null
+++ b/js/src/tests/non262/arrow-functions/arrow-not-as-end-of-statement.js
@@ -0,0 +1,188 @@
+/* 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/. */
+
+// Grab-bag of ArrowFunctions with block bodies appearing in contexts where the
+// subsequent token-examination must use the Operand modifier to avoid an
+// assertion.
+
+assertEq(`x ${a => {}} z`, "x a => {} z");
+
+for (a => {}; ; )
+  break;
+
+for (; a => {}; )
+  break;
+
+for (; ; a => {})
+  break;
+
+Function.prototype[Symbol.iterator] = function() { return { next() { return { done: true }; } }; };
+for (let m of 0 ? 1 : a => {})
+  assertEq(true, false);
+for (let [m] of 0 ? 1 : a => {})
+  assertEq(true, false);
+delete Function.prototype[Symbol.iterator];
+
+for (let w in 0 ? 1 : a => {})
+  break;
+for (let [w] in 0 ? 1 : a => {})
+  break;
+
+function* stargen()
+{
+  yield a => {}
+  /Q/g;
+
+  var first = true;
+  Function.prototype[Symbol.iterator] = function() {
+    return {
+      next() {
+        var res = { done: true, value: 8675309 };
+        if (first)
+        {
+          res = { value: "fnord", done: false };
+          first = false;
+        }
+
+        return res;
+      }
+    };
+  };
+
+
+  yield* a => {}
+  /Q/g;
+
+  delete Function.prototype[Symbol.iterator];
+
+  yield 99;
+}
+var gen = stargen();
+assertEq(typeof gen.next().value, "function");
+var result = gen.next();
+assertEq(result.value, "fnord");
+assertEq(result.done, false);
+assertEq(gen.next().value, 99);
+assertEq(gen.next().done, true);
+
+switch (1)
+{
+  case a => {}:
+   break;
+}
+
+assertEq(0[a => {}], undefined);
+
+class Y {};
+class X extends Y { constructor() { super[a => {}](); } };
+
+if (a => {})
+  assertEq(true, true);
+else
+  assertEq(true, false);
+
+switch (a => {})
+{
+}
+
+with (a => {});
+
+assertEq(typeof (a => {}), "function");
+assertEq(typeof (a => b => {}), "function");
+
+for (var x in y => {})
+  continue;
+
+assertEq(eval("a => {}, 17, 42;"), 42);
+assertEq(eval("42, a => {}, 17;"), 17);
+assertEq(typeof eval("17, 42, a => {};"), "function");
+
+assertEq(eval("1 ? 0 : a => {}, 17, 42;"), 42);
+assertEq(eval("42, 1 ? 0 : a => {}, 17;"), 17);
+assertEq(eval("17, 42, 1 ? 0 : a => {};"), 0);
+
+var z = { x: 0 ? 1 : async a => {} };
+assertEq(typeof z.x, "function");
+
+var q = 0 ? 1 : async () => {};
+assertEq(typeof q, "function");
+
+var m = 0 ? 42 : m = foo => {} // ASI
+/Q/g;
+assertEq(typeof m, "function");
+
+var { q: w = 0 ? 1 : a => {} } = {};
+assertEq(typeof w, "function");
+
+Function.prototype.c = 42;
+var { c } = 0 ? 1 : a => {} // ASI
+/Q/g;
+assertEq(c, 42);
+
+var c = 0 ? 1 : a => {}
+/Q/g;
+assertEq(typeof c, "function");
+delete Function.prototype.c;
+
+assertEq(typeof eval(0 ? 1 : a => {}), "function");
+
+var zoom = 1 ? a => {} : 357;
+assertEq(typeof zoom, "function");
+
+var { b = 0 ? 1 : a => {} } = {};
+assertEq(typeof b, "function");
+
+var [k = 0 ? 1 : a => {}] = [];
+assertEq(typeof k, "function");
+
+assertEq(typeof [0 ? 1 : a => {}][0], "function");
+
+Function.prototype[Symbol.iterator] = function() { return { next() { return { done: true }; } }; };
+assertEq([...0 ? 1 : a => {}].length, 0);
+delete Function.prototype[Symbol.iterator];
+
+var props = Object.getOwnPropertyNames({ ...0 ? 1 : a => {} }).sort();
+assertEq(props.length, 0);
+
+function f1(x = 0 ? 1 : a => {}) { return x; }
+assertEq(typeof f1(), "function");
+assertEq(f1(5), 5);
+
+var g1 = (x = 0 ? 1 : a => {}) => { return x; };
+assertEq(typeof g1(), "function");
+assertEq(g1(5), 5);
+
+var h1 = async (x = 0 ? 1 : a => {}) => { return x; };
+assertEq(typeof h1, "function");
+
+function f2(m, x = 0 ? 1 : a => {}) { return x; }
+assertEq(typeof f2(1), "function");
+assertEq(f2(1, 5), 5);
+
+var g2 = (m, x = 0 ? 1 : a => {}) => { return x; };
+assertEq(typeof g2(1), "function");
+assertEq(g2(1, 5), 5);
+
+var h2 = async (m, x = 0 ? 1 : a => {}) => { return x; };
+assertEq(typeof h2, "function");
+
+function f3(x = 0 ? 1 : a => {}, q) { return x; }
+assertEq(typeof f3(), "function");
+assertEq(f3(5), 5);
+
+var g3 = (x = 0 ? 1 : a => {}, q) => { return x; };
+assertEq(typeof g3(), "function");
+assertEq(g3(5), 5);
+
+var h3 = async (x = 0 ? 1 : a => {}, q) => { return x; };
+assertEq(typeof h3, "function");
+
+var asyncf = async () => {};
+assertEq(typeof asyncf, "function");
+
+var { [0 ? 1 : a => {}]: h } = { "a => {}": "boo-urns!" };
+assertEq(h, "boo-urns!");
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
diff --git a/js/src/tests/non262/arrow-functions/arrow-returning-arrow-with-block-body-followed-by-regexp.js b/js/src/tests/non262/arrow-functions/arrow-returning-arrow-with-block-body-followed-by-regexp.js
new file mode 100644
index 0000000000..8a53074e3d
--- /dev/null
+++ b/js/src/tests/non262/arrow-functions/arrow-returning-arrow-with-block-body-followed-by-regexp.js
@@ -0,0 +1,15 @@
+/* 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/. */
+
+function t()
+{
+  var x = y => z => {} // ASI occurs here
+  /Q/;
+  return 42;
+}
+
+assertEq(t(), 42);
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
diff --git a/js/src/tests/non262/arrow-functions/browser.js b/js/src/tests/non262/arrow-functions/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/non262/arrow-functions/browser.js
diff --git a/js/src/tests/non262/arrow-functions/shell.js b/js/src/tests/non262/arrow-functions/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/non262/arrow-functions/shell.js
diff --git a/js/src/tests/non262/arrow-functions/yield-in-arrow.js b/js/src/tests/non262/arrow-functions/yield-in-arrow.js
new file mode 100644
index 0000000000..8b849a1c88
--- /dev/null
+++ b/js/src/tests/non262/arrow-functions/yield-in-arrow.js
@@ -0,0 +1,77 @@
+/* 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/. */
+
+const yieldInParameters = [
+    `(a = yield) => {}`,
+    `(a = yield /a/g) => {}`, // Should parse as division, not yield expression with regexp.
+    `yield => {};`,
+    `(yield) => {};`,
+    `(yield = 0) => {};`,
+    `([yield]) => {};`,
+    `([yield = 0]) => {};`,
+    `([...yield]) => {};`,
+    `({a: yield}) => {};`,
+    `({yield}) => {};`,
+    `({yield = 0}) => {};`,
+];
+
+const yieldInBody = [
+    `() => yield;`,
+    `() => yield /a/g;`,
+    `() => { var x = yield; }`,
+    `() => { var x = yield /a/g; }`,
+
+    `() => { var yield; };`,
+    `() => { var yield = 0; };`,
+    `() => { var [yield] = []; };`,
+    `() => { var [yield = 0] = []; };`,
+    `() => { var [...yield] = []; };`,
+    `() => { var {a: yield} = {}; };`,
+    `() => { var {yield} = {}; };`,
+    `() => { var {yield = 0} = {}; };`,
+
+    `() => { let yield; };`,
+    `() => { let yield = 0; };`,
+    `() => { let [yield] = []; };`,
+    `() => { let [yield = 0] = []; };`,
+    `() => { let [...yield] = []; };`,
+    `() => { let {a: yield} = {}; };`,
+    `() => { let {yield} = {}; };`,
+    `() => { let {yield = 0} = {}; };`,
+
+    `() => { const yield = 0; };`,
+    `() => { const [yield] = []; };`,
+    `() => { const [yield = 0] = []; };`,
+    `() => { const [...yield] = []; };`,
+    `() => { const {a: yield} = {}; };`,
+    `() => { const {yield} = {}; };`,
+    `() => { const {yield = 0} = {}; };`,
+];
+
+
+// Script context.
+for (let test of [...yieldInParameters, ...yieldInBody]) {
+    eval(test);
+    assertThrowsInstanceOf(() => eval(`"use strict"; ${test}`), SyntaxError);
+}
+
+// Function context.
+for (let test of [...yieldInParameters, ...yieldInBody]) {
+    eval(`function f() { ${test} }`);
+    assertThrowsInstanceOf(() => eval(`"use strict"; function f() { ${test} }`), SyntaxError);
+}
+
+// Generator context.
+for (let test of yieldInParameters) {
+    assertThrowsInstanceOf(() => eval(`function* g() { ${test} }`), SyntaxError);
+}
+for (let test of yieldInBody) {
+    eval(`function* g() { ${test} }`);
+}
+for (let test of [...yieldInParameters, ...yieldInBody]) {
+    assertThrowsInstanceOf(() => eval(`"use strict"; function* g() { ${test} }`), SyntaxError);
+}
+
+if (typeof reportCompare === "function")
+    reportCompare(0, 0, "ok");