Add m-esr52 at 52.6.0

10 files changed, 250 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/self-test/assertDeepEq.js b/js/src/jit-test/tests/self-test/assertDeepEq.js
new file mode 100644
index 000000000..b2a949abc
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/assertDeepEq.js
@@ -0,0 +1,111 @@
+// Tests for the assertEqual function in jit-test/lib/asserts.js
+
+load(libdir + "asserts.js");
+
+function assertNotDeepEq(a, b, options) {
+    assertThrowsInstanceOf(() => assertDeepEq(a, b, options), Error);
+}
+
+// primitives
+assertDeepEq(undefined, undefined);
+assertDeepEq("1", "1");
+assertNotDeepEq(1, "1");
+assertNotDeepEq(undefined, null);
+assertNotDeepEq({}, null);
+
+// symbols
+assertDeepEq(Symbol(), Symbol());
+assertNotDeepEq(Symbol(), Symbol(""));
+assertDeepEq(Symbol("tweedledum"), Symbol("tweedledum"));
+assertNotDeepEq(Symbol("tweedledum"), Symbol("alice"));
+assertNotDeepEq(Symbol("what-its-called"), Symbol.for("what-its-called"));
+assertNotDeepEq(Symbol.iterator, Symbol.for("Symbol.iterator"));
+assertDeepEq([Symbol(), Symbol(), Symbol()],
+             [Symbol(), Symbol(), Symbol()]);
+var sym = Symbol();
+assertDeepEq([sym, sym], [sym, sym]);
+assertNotDeepEq([sym, sym], [Symbol(), Symbol()]);
+assertNotDeepEq([sym, sym], [Symbol(), sym]);
+var obj1 = {}, obj2 = {};
+obj1[Symbol("x")] = "y";
+obj2[Symbol("x")] = "y";
+assertDeepEq(obj1, obj2);
+
+// objects
+assertDeepEq({}, {});
+assertDeepEq({one: 1, two: 2}, {one: 1, two: 2});
+assertNotDeepEq(Object.freeze({}), {});
+assertDeepEq(Object.create(null), Object.create(null));
+assertNotDeepEq(Object.create(null, {a: {configurable: false, value: 3}}),
+               Object.create(null, {a: {configurable: true, value: 3}}));
+assertNotDeepEq({one: 1}, {one: 1, two: 2});
+assertNotDeepEq({yes: true}, {oui: true});
+assertNotDeepEq({zero: 0}, {zero: "0"});
+
+// test the comment
+var x = {}, y = {}, ax = [x];
+assertDeepEq([ax, x], [ax, y]);  // passes (bogusly)
+assertNotDeepEq([ax, x], [ax, y], {strictEquivalence: true});
+assertDeepEq([x, ax], [y, ax]);  // passes (bogusly)
+assertNotDeepEq([x, ax], [y, ax], {strictEquivalence: true});
+
+// object identity
+assertNotDeepEq([x, y], [x, x]);
+assertDeepEq([x, y], [x, y]);
+assertDeepEq([y, x], [x, y]);
+
+// proto chain
+var x = {};
+assertDeepEq(Object.create(x), Object.create(x));
+assertDeepEq(Object.create({}), Object.create({})); // equivalent but not identical proto objects
+
+// arrays
+assertDeepEq([], []);
+assertNotDeepEq([], [1]);
+assertDeepEq([1], [1]);
+assertNotDeepEq([0], [1]);
+assertDeepEq([1, 2, 3], [1, 2, 3]);
+assertNotDeepEq([1, , 3], [1, undefined, 3]);
+var p = [], q = [];
+p.prop = 1;
+assertNotDeepEq(p, q);
+assertNotDeepEq(q, p);
+q.prop = 1;
+assertDeepEq(q, p);
+
+// functions
+assertNotDeepEq(() => 1, () => 2);
+assertNotDeepEq((...x) => 1, x => 1);
+assertNotDeepEq(function f(){}, function g(){});
+var f1 = function () {}, f2 = function () {};
+assertDeepEq(f1, f1);
+assertDeepEq(f1, f2);  // same text, close enough
+f1.prop = 1;
+assertNotDeepEq(f1, f2);
+f2.prop = 1;
+assertDeepEq(f1, f2);
+
+// recursion
+var a = [], b = [];
+a[0] = a;
+b[0] = b;
+assertDeepEq(a, b);
+a[0] = b;
+assertNotDeepEq(a, b);  // [#1=[#1#]] is not structurally equivalent to #1=[[#1#]]
+b[0] = a;
+assertDeepEq(a, b);
+b[0] = [a];  // a[0] === b, b[0] === c, c[0] === a
+assertDeepEq(a, b);
+
+// objects that merge
+var x = {};
+assertDeepEq({x: x}, {x: x});
+var y = [x];
+assertDeepEq([y], [y]);
+
+// cross-compartment
+var g1 = newGlobal(), g2 = newGlobal();
+assertDeepEq(g1, g2);
+assertDeepEq(g1, g2, {strictEquivalence: true});
+Object.preventExtensions(g2.Math.abs);  // make some miniscule change
+assertNotDeepEq(g1, g2);
diff --git a/js/src/jit-test/tests/self-test/assertRecoveredOnBailout-0.js b/js/src/jit-test/tests/self-test/assertRecoveredOnBailout-0.js
new file mode 100644
index 000000000..39466f648
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/assertRecoveredOnBailout-0.js
@@ -0,0 +1,9 @@
+function f () {
+    var o = {};
+    var x = assertRecoveredOnBailout(o, true);
+    bailout();
+    return x;
+}
+
+f();
+f();
diff --git a/js/src/jit-test/tests/self-test/assertRecoveredOnBailout-1.js b/js/src/jit-test/tests/self-test/assertRecoveredOnBailout-1.js
new file mode 100644
index 000000000..6285d4932
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/assertRecoveredOnBailout-1.js
@@ -0,0 +1,32 @@
+// |jit-test| crash
+
+var opts = getJitCompilerOptions();
+if (!opts['ion.enable'] || !opts['baseline.enable'] ||
+    opts["ion.forceinlineCaches"] || opts["ion.check-range-analysis"])
+{
+    crash("Cannot test assertRecoveredOnBailout");
+}
+
+function g() {
+    return inIon();
+}
+
+// Wait until IonMonkey compilation finished.
+while(!(res = g()));
+
+// Check that we entered Ion succesfully.
+if (res !== true)
+    crash("Cannot enter IonMonkey");
+
+// Test that assertRecoveredOnBailout fails as expected.
+function f () {
+    var o = {};
+    assertRecoveredOnBailout(o, false);
+    return inIon();
+}
+
+// Wait until IonMonkey compilation finished.
+while(!(res = f()));
+
+// Ensure that we entered Ion.
+assertEq(res, true);
diff --git a/js/src/jit-test/tests/self-test/getBacktrace-bug1138195.js b/js/src/jit-test/tests/self-test/getBacktrace-bug1138195.js
new file mode 100644
index 000000000..092cdd936
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/getBacktrace-bug1138195.js
@@ -0,0 +1,8 @@
+
+function f(x) {
+    for (var i = 0; i < 40; ++i) {
+	var stack = getBacktrace({args: true});
+	(function() { g = x;});
+    }
+}
+f(1);
diff --git a/js/src/jit-test/tests/self-test/inIon.js b/js/src/jit-test/tests/self-test/inIon.js
new file mode 100644
index 000000000..40d1c03af
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/inIon.js
@@ -0,0 +1,20 @@
+// Test that inIon eventually becomes truthy.
+// This code should never timeout.
+
+function callInIon() {
+    return inIon();
+};
+
+function test() {
+    // Test with OSR.
+    while(!inIon());
+
+    // Test with inlining.
+    while(!callInIon());
+
+    // Test with zealous gc preventing compilation.
+    while(!inIon()) gc();
+};
+
+test();
+
diff --git a/js/src/jit-test/tests/self-test/inJit.js b/js/src/jit-test/tests/self-test/inJit.js
new file mode 100644
index 000000000..dd218b516
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/inJit.js
@@ -0,0 +1,20 @@
+// Test that inJit eventually becomes truthy.
+// This code should never timeout.
+
+function callInJit() {
+    return inJit();
+};
+
+function test() {
+    // Test with OSR.
+    while(!inJit());
+
+    // Test with inlining.
+    while(!callInJit());
+
+    // Test with zealous gc preventing compilation.
+    while(!inJit()) gc();
+};
+
+test();
+
diff --git a/js/src/jit-test/tests/self-test/isRelazifiableFunction-0.js b/js/src/jit-test/tests/self-test/isRelazifiableFunction-0.js
new file mode 100644
index 000000000..a75246668
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/isRelazifiableFunction-0.js
@@ -0,0 +1,3 @@
+// |jit-test| error: Error: The first argument should be a function.
+
+isRelazifiableFunction(new Array());
diff --git a/js/src/jit-test/tests/self-test/notInIon.js b/js/src/jit-test/tests/self-test/notInIon.js
new file mode 100644
index 000000000..f3da1836e
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/notInIon.js
@@ -0,0 +1,3 @@
+// |jit-test| --no-ion
+
+assertEq(inIon(), "Ion is disabled.");
diff --git a/js/src/jit-test/tests/self-test/notInJit.js b/js/src/jit-test/tests/self-test/notInJit.js
new file mode 100644
index 000000000..4bb3469e4
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/notInJit.js
@@ -0,0 +1,4 @@
+// |jit-test| --no-baseline
+
+assertEq(inJit(), "Baseline is disabled.");
+assertEq(inIon(), "Ion is disabled.");
diff --git a/js/src/jit-test/tests/self-test/readlineBuf.js b/js/src/jit-test/tests/self-test/readlineBuf.js
new file mode 100644
index 000000000..952b1e545
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/readlineBuf.js
@@ -0,0 +1,40 @@
+load(libdir + "asserts.js");
+
+assertThrowsInstanceOf(function () { readlineBuf() }, Error);
+
+var testBuffers = [
+    "foo\nbar\nbaz\n",
+    "foo\nbar\nbaz",
+    "foo\n\nbar\nbaz",
+    "f",
+    "\n",
+    "\nf",
+    ""
+];
+
+var expected = [
+    [ "foo", "bar", "baz" ],
+    [ "foo", "bar", "baz" ],
+    [ "foo", "", "bar", "baz" ],
+    [ "f" ],
+    [ "" ],
+    [ "", "f" ],
+    []
+];
+
+for (var idx in testBuffers) {
+    readlineBuf(testBuffers[idx]);
+    var result = [];
+
+    while ((line = readlineBuf()) != null) {
+        result.push(line);
+    }
+
+    assertDeepEq(result, expected[idx]);
+}
+
+readlineBuf(testBuffers[0]);
+readlineBuf();
+readlineBuf();
+readlineBuf(testBuffers[3]);
+assertEq(readlineBuf(), expected[3][0]);