mozilla-central/js/xpconnect/tests/unit/test_import_from_sandbox.js (file symbol)

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Test Info:

"use strict";
function makeSandbox() {
return Cu.Sandbox(
Services.scriptSecurityManager.getSystemPrincipal(),
{
wantXrays: false,
wantGlobalProperties: ["ChromeUtils"],
sandboxName: `Sandbox type used for ext-*.js ExtensionAPI subscripts`,
}
);
}
// This test will fail (and should be removed) once the JSM shim is dropped.
add_task(function test_import_from_sandbox_using_shim() {
let sandbox = makeSandbox();
Object.assign(sandbox, {
injected1: ChromeUtils.import("resource://test/esmified-1.jsm"),
});
Assert.equal(Cu.isModuleLoaded("resource://test/esmified-2.jsm"), false);
Services.scriptloader.loadSubScript(
`data:,
"use strict";
const shimmed1 = ChromeUtils.import("resource://test/esmified-1.jsm");
const shimmed2 = ChromeUtils.import("resource://test/esmified-2.jsm");
this.testResults = {
shimmed1: shimmed1.obj.value,
injected1: injected1.obj.value,
sameInstance1: injected1 === shimmed1,
shimmed2: shimmed2.obj.value,
};
`,
sandbox
);
let tr = sandbox.testResults;
Assert.equal(tr.injected1, 10, "Injected esmified-1.mjs has correct value.");
Assert.equal(tr.shimmed1, 10, "Shim-imported esmified-1.jsm correct value.");
Assert.ok(tr.sameInstance1, "Injected and imported are the same instance.");
Assert.equal(tr.shimmed2, 10, "Shim-imported esmified-2.jsm correct value.");
Assert.equal(Cu.isModuleLoaded("resource://test/esmified-2.jsm"), true);
});
// 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.");
});