"use strict"; function makeSandbox() { return Cu.Sandbox( Services.scriptSecurityManager.getSystemPrincipal(), { wantXrays: false, wantGlobalProperties: ["ChromeUtils"], sandboxName: `Sandbox type used for ext-*.js ExtensionAPI subscripts`, } ); } // This tests the ESMification transition for extension API scripts. add_task(function test_import_from_sandbox_transition() { let sandbox = makeSandbox(); Object.assign(sandbox, { injected3: ChromeUtils.importESModule("resource://test/esmified-3.sys.mjs"), }); Services.scriptloader.loadSubScript("resource://test/api_script.js", sandbox); let tr = sandbox.testResults; Assert.equal(tr.injected3, 16, "Injected esmified-3.mjs has correct value."); Assert.equal(tr.module3, 16, "Iimported esmified-3.mjs has correct value."); Assert.ok(tr.sameInstance3, "Injected and imported are the same instance."); Assert.equal(tr.module4, 14, "Iimported esmified-4.mjs has correct value."); }); // Same as above, just using a PrecompiledScript. add_task(async function test_import_from_sandbox_transition() { let sandbox = makeSandbox(); Object.assign(sandbox, { injected3: ChromeUtils.importESModule("resource://test/esmified-3.sys.mjs"), }); let script = await ChromeUtils.compileScript("resource://test/api_script.js"); script.executeInGlobal(sandbox); let tr = sandbox.testResults; Assert.equal(tr.injected3, 22, "Injected esmified-3.mjs has correct value."); Assert.equal(tr.module3, 22, "Iimported esmified-3.mjs has correct value."); Assert.ok(tr.sameInstance3, "Injected and imported are the same instance."); Assert.equal(tr.module4, 18, "Iimported esmified-4.mjs has correct value."); });