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*** Bug 1514594: Part 3a - Change ChromeUtils.import to return an exports object; not pollute global. r=mccr8 This changes the behavior of ChromeUtils.import() to return an exports object, rather than a module global, in all cases except when `null` is passed as a second argument, and changes the default behavior not to pollute the global scope with the module's exports. Thus, the following code written for the old model: ChromeUtils.import("resource://gre/modules/Services.jsm"); is approximately the same as the following, in the new model: var {Services} = ChromeUtils.import("resource://gre/modules/Services.jsm"); Since the two behaviors are mutually incompatible, this patch will land with a scripted rewrite to update all existing callers to use the new model rather than the old. *** Bug 1514594: Part 3b - Mass rewrite all JS code to use the new ChromeUtils.import API. rs=Gijs This was done using the followng script: https://bitbucket.org/kmaglione/m-c-rewrites/src/tip/processors/cu-import-exports.jsm *** Bug 1514594: Part 3c - Update ESLint plugin for ChromeUtils.import API changes. r=Standard8 Differential Revision: https://phabricator.services.mozilla.com/D16747 *** Bug 1514594: Part 3d - Remove/fix hundreds of duplicate imports from sync tests. r=Gijs Differential Revision: https://phabricator.services.mozilla.com/D16748 *** Bug 1514594: Part 3e - Remove no-op ChromeUtils.import() calls. r=Gijs Differential Revision: https://phabricator.services.mozilla.com/D16749 *** Bug 1514594: Part 3f.1 - Cleanup various test corner cases after mass rewrite. r=Gijs *** Bug 1514594: Part 3f.2 - Cleanup various non-test corner cases after mass rewrite. r=Gijs Differential Revision: https://phabricator.services.mozilla.com/D16750 --HG-- extra : rebase_source : 359574ee3064c90f33bf36c2ebe3159a24cc8895 extra : histedit_source : b93c8f42808b1599f9122d7842d2c0b3e656a594%2C64a3a4e3359dc889e2ab2b49461bab9e27fc10a7
70 lines
1.6 KiB
JavaScript
70 lines
1.6 KiB
JavaScript
// Test basic usage of onGarbageCollection
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const root = newGlobal();
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const dbg = new Debugger();
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const wrappedRoot = dbg.addDebuggee(root)
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const NUM_SLICES = root.NUM_SLICES = 10;
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let fired = false;
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let slicesFound = 0;
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Services.prefs.setBoolPref("security.allow_eval_with_system_principal", true);
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registerCleanupFunction(() => {
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Services.prefs.clearUserPref("security.allow_eval_with_system_principal");
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});
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dbg.memory.onGarbageCollection = data => {
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fired = true;
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print("Got onGarbageCollection: " + JSON.stringify(data, null, 2));
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equal(typeof data.reason, "string");
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equal(typeof data.nonincrementalReason == "string" || data.nonincrementalReason === null,
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true);
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let lastStartTimestamp = 0;
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for (let i = 0; i < data.collections.length; i++) {
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let slice = data.collections[i];
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equal(slice.startTimestamp >= lastStartTimestamp, true);
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equal(slice.startTimestamp <= slice.endTimestamp, true);
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lastStartTimestamp = slice.startTimestamp;
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}
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equal(data.collections.length >= 1, true);
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slicesFound += data.collections.length;
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}
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function run_test() {
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do_test_pending();
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root.eval(
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`
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this.allocs = [];
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// GC slices
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for (var i = 0; i < NUM_SLICES; i++) {
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this.allocs.push({});
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gcslice();
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}
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// Full GC
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this.allocs.push({});
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gc();
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`
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);
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executeSoon(() => {
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equal(fired, true, "The GC hook should have fired at least once");
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// NUM_SLICES + 1 full gc + however many were triggered naturally (due to
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// whatever zealousness setting).
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print("Found " + slicesFound + " slices");
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equal(slicesFound >= NUM_SLICES + 1, true);
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do_test_finished();
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});
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}
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