Adding upstream version 115.7.0esr.upstream/115.7.0esr

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

18 files changed, 411 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 0000000000..3619a3fcc6
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/assertDeepEq.js
@@ -0,0 +1,112 @@
+// 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(){});
+// Avoid setting name property.
+var [f1, f2] = [function () {}, 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({newCompartment: true}), g2 = newGlobal({newCompartment: true});
+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 0000000000..47f538b5f3
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/assertRecoveredOnBailout-0.js
@@ -0,0 +1,12 @@
+// Prevent the GC from cancelling Ion compilations, when we expect them to succeed
+gczeal(0);
+
+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 0000000000..68f07c92ab
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/assertRecoveredOnBailout-1.js
@@ -0,0 +1,36 @@
+// |jit-test| crash; skip-if: getBuildConfiguration()['tsan'] || getBuildConfiguration()['wasi']; --ion-warmup-threshold=50
+setJitCompilerOption("offthread-compilation.enable", 0);
+
+var opts = getJitCompilerOptions();
+if (!opts['ion.enable'] || !opts['baseline.enable'] ||
+    opts["ion.forceinlineCaches"] || opts["ion.check-range-analysis"])
+{
+    crash("Cannot test assertRecoveredOnBailout");
+}
+
+// Prevent the GC from cancelling Ion compilations, when we expect them to succeed
+gczeal(0);
+
+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/baselineCompile-Bug1444894.js b/js/src/jit-test/tests/self-test/baselineCompile-Bug1444894.js
new file mode 100644
index 0000000000..768d4b655c
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/baselineCompile-Bug1444894.js
@@ -0,0 +1,5 @@
+
+if (typeof baselineCompile == "function") {
+    gc();
+    newGlobal().baselineCompile();
+}
diff --git a/js/src/jit-test/tests/self-test/baselineCompile.js b/js/src/jit-test/tests/self-test/baselineCompile.js
new file mode 100644
index 0000000000..18da9dbf12
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/baselineCompile.js
@@ -0,0 +1,21 @@
+// |jit-test| test-also=--fuzzing-safe
+// Check that the help text for baselineCompile() is accurate.
+
+if (typeof inJit == "function" && typeof baselineCompile == "function") {
+    if (!inJit()) {
+
+        var res = baselineCompile();  // compile the current script
+
+        assertEq(inJit(), false,
+                 "We have compiled this script to baseline jitcode, but shouldn't " +
+                 "be running it yet, according to the help text for baselineCompile() " +
+                 "in TestingFunctions.cpp. If you fail this assertion, nice work, and " +
+                 "please update the help text!");
+
+        for (var i=0; i<1; i++) {}  // exact boilerplate suggested by the help text
+
+        assertEq(typeof res != "string" ? inJit() : true, true,
+                 "help text in TestingFunctions.cpp claims the above loop causes " +
+                 "the interpreter to start running the new baseline jitcode");
+    }
+}
diff --git a/js/src/jit-test/tests/self-test/cacheEntry.js b/js/src/jit-test/tests/self-test/cacheEntry.js
new file mode 100644
index 0000000000..d60671b602
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/cacheEntry.js
@@ -0,0 +1,23 @@
+// These tests are checking that CacheEntry_getBytecode properly set an error
+// when there is no bytecode registered.
+var caught = 0;
+var code = cacheEntry("");
+try {
+    offThreadDecodeStencil(code);
+}
+catch (e) {
+    // offThreadDecodeStencil does not work with the --no-thread command line option.
+    assertEq(e.message.includes("CacheEntry") || e.message.includes("offThreadDecodeStencil"), true);
+    caught++;
+}
+
+code = cacheEntry("");
+try {
+    evaluate(code, {loadBytecode: true});
+}
+catch (e) {
+    assertEq(e.message.includes("CacheEntry"), true);
+    caught++;
+}
+
+assertEq(caught, 2);
diff --git a/js/src/jit-test/tests/self-test/delazification-mode-00.js b/js/src/jit-test/tests/self-test/delazification-mode-00.js
new file mode 100644
index 0000000000..036065c688
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/delazification-mode-00.js
@@ -0,0 +1,19 @@
+//|jit-test| skip-if: isLcovEnabled()
+
+let source = `
+  function foo() {
+    return "foo";
+  }
+
+  // Wait is skipped as the source is not registered in the stencil cache.
+  waitForStencilCache(foo);
+  assertEq(isInStencilCache(foo), false);
+`;
+
+const options = {
+    fileName: "inner-00.js",
+    lineNumber: 1,
+    eagerDelazificationStrategy: "OnDemandOnly",
+    newContext: true,
+};
+evaluate(source, options);
diff --git a/js/src/jit-test/tests/self-test/delazification-mode-01.js b/js/src/jit-test/tests/self-test/delazification-mode-01.js
new file mode 100644
index 0000000000..ce1f9ee89b
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/delazification-mode-01.js
@@ -0,0 +1,24 @@
+//|jit-test| skip-if: isLcovEnabled() || helperThreadCount() === 0
+
+// GCs might trash the stencil cache. Prevent us from scheduling too many GCs.
+if ('gczeal' in this) {
+    gczeal(0);
+}
+
+let source = `
+  function foo() {
+    return "foo";
+  }
+
+  waitForStencilCache(foo);
+  // false would be expected if threads are disabled.
+  assertEq(isInStencilCache(foo), true);
+`;
+
+const options = {
+    fileName: "inner-01.js",
+    lineNumber: 1,
+    eagerDelazificationStrategy: "CheckConcurrentWithOnDemand",
+    newContext: true,
+};
+evaluate(source, options);
diff --git a/js/src/jit-test/tests/self-test/delazification-mode-02.js b/js/src/jit-test/tests/self-test/delazification-mode-02.js
new file mode 100644
index 0000000000..ea16ee7027
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/delazification-mode-02.js
@@ -0,0 +1,24 @@
+//|jit-test| skip-if: isLcovEnabled() || helperThreadCount() === 0
+
+// GCs might trash the stencil cache. Prevent us from scheduling too many GCs.
+if ('gczeal' in this) {
+    gczeal(0);
+}
+
+let source = `
+  function foo() {
+    return "foo";
+  }
+
+  waitForStencilCache(foo);
+  // false would be expected if threads are disabled.
+  assertEq(isInStencilCache(foo), true);
+`;
+
+const options = {
+    fileName: "inner-02.js",
+    lineNumber: 1,
+    eagerDelazificationStrategy: "ConcurrentDepthFirst",
+    newContext: true,
+};
+evaluate(source, options);
diff --git a/js/src/jit-test/tests/self-test/delazification-mode-03.js b/js/src/jit-test/tests/self-test/delazification-mode-03.js
new file mode 100644
index 0000000000..53f158765e
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/delazification-mode-03.js
@@ -0,0 +1,17 @@
+let source = `
+  function foo() {
+    return "foo";
+  }
+
+  // Wait is skipped as the source is not registered in the stencil cache.
+  waitForStencilCache(foo);
+  assertEq(isInStencilCache(foo), false);
+`;
+
+const options = {
+    fileName: "inner-03.js",
+    lineNumber: 1,
+    eagerDelazificationStrategy: "ParseEverythingEagerly",
+    newContext: true,
+};
+evaluate(source, options);
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 0000000000..092cdd936f
--- /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 0000000000..e14a0bc4a9
--- /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(this, 'shrinking');
+};
+
+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 0000000000..dd218b5160
--- /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 0000000000..a75246668d
--- /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 0000000000..f3da1836e0
--- /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 0000000000..4bb3469e40
--- /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/oom-test-bug1497906.js b/js/src/jit-test/tests/self-test/oom-test-bug1497906.js
new file mode 100644
index 0000000000..da6a0a959d
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/oom-test-bug1497906.js
@@ -0,0 +1,18 @@
+// |jit-test| skip-if: !('oomTest' in this && 'stackTest' in this) || helperThreadCount() === 0
+
+// Check that oomTest throws an exception on worker threads.
+
+setSharedObject(0);
+evalInWorker(`
+    try {
+        oomTest(crash);
+    } catch (e) {
+        if (e.toString().includes("main thread")) {
+            setSharedObject(1);
+        }
+    }
+`);
+
+while (getSharedObject() != 1) {
+    // poor-man wait condition.
+}
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 0000000000..1430c4ae49
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/readlineBuf.js
@@ -0,0 +1,42 @@
+load(libdir + "asserts.js");
+
+assertThrowsInstanceOf(function () { readlineBuf() }, Error);
+
+var testBuffers = [
+    "foo\nbar\nbaz\n",
+    "foo\nbar\nbaz",
+    "foo\n\nbar\nbaz",
+    "f",
+    "\n",
+    "\nf",
+    "",
+    "Ää\n\u{10ffff}",
+];
+
+var expected = [
+    [ "foo", "bar", "baz" ],
+    [ "foo", "bar", "baz" ],
+    [ "foo", "", "bar", "baz" ],
+    [ "f" ],
+    [ "" ],
+    [ "", "f" ],
+    [],
+    ["Ää", "\u{10ffff}"],
+];
+
+for (var [idx, testValue] of testBuffers.entries()) {
+    readlineBuf(testValue);
+    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]);