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Diffstat (limited to '')
| -rw-r--r-- | js/xpconnect/tests/unit/test_import_es6_modules.js | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_import_es6_modules.js b/js/xpconnect/tests/unit/test_import_es6_modules.js new file mode 100644 index 0000000000..9b5659871f --- /dev/null +++ b/js/xpconnect/tests/unit/test_import_es6_modules.js @@ -0,0 +1,180 @@ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ + +add_task(async function() { + // Test basic import. + let ns = ChromeUtils.importESModule("resource://test/es6module.js"); + Assert.equal(ns.loadCount, 1); + Assert.equal(ns.value, 2); + + // Test re-import of the same module. + let ns2 = ChromeUtils.importESModule("resource://test/es6module.js"); + Assert.equal(ns.loadCount, 1); + Assert.equal(ns, ns2); + + // Test imports with absolute and relative URIs return the same thing. + let ns3 = ChromeUtils.importESModule("resource://test/es6module_absolute.js"); + let ns4 = ChromeUtils.importESModule("resource://test/es6module_absolute2.js"); + Assert.ok(ns3.absoluteX === ns3.relativeX); + Assert.ok(ns3.absoluteX === ns4.x); + + // Test load failure. + testFailure("resource://test/es6module_not_found.js", { + type: "Error", + message: "Failed to load resource://test/es6module_not_found.js", + fileName: "test_import_es6_modules.js", + stack: "testFailure", + lineNumber: "*", + columnNumber: "*", + result: Cr.NS_ERROR_FILE_NOT_FOUND, + }); + + // Test load failure in import. + testFailure("resource://test/es6module_missing_import.js", { + type: "Error", + message: "Failed to load resource://test/es6module_not_found2.js", + fileName: "test_import_es6_modules.js", + stack: "testFailure", + lineNumber: "*", + columnNumber: "*", + result: Cr.NS_ERROR_FILE_NOT_FOUND, + }); + + // Test parse error. + testFailure("resource://test/es6module_parse_error.js", { + type: "SyntaxError", + fileName: "resource://test/es6module_parse_error.js", + stack: "testFailure", + lineNumber: 1, + columnNumber: 5, + }); + + // Test parse error in import. + testFailure("resource://test/es6module_parse_error_in_import.js", { + type: "SyntaxError", + fileName: "resource://test/es6module_parse_error.js", + stack: "testFailure", + lineNumber: 1, + columnNumber: 5, + }); + + // Test import error. + testFailure("resource://test/es6module_import_error.js", { + type: "SyntaxError", + fileName: "resource://test/es6module_import_error.js", + lineNumber: 1, + columnNumber: 9, + }); + + // Test execution failure. + let exception1 = testFailure("resource://test/es6module_throws.js", { + type: "Error", + message: "foobar", + stack: "throwFunction", + fileName: "resource://test/es6module_throws.js", + lineNumber: 2, + columnNumber: 9, + }); + + // Test re-import throws the same exception. + let exception2 = testFailure("resource://test/es6module_throws.js", { + type: "Error", + message: "foobar", + stack: "throwFunction", + fileName: "resource://test/es6module_throws.js", + lineNumber: 2, + columnNumber: 9, + }); + Assert.ok(exception1 === exception2); + + // Test loading cyclic module graph. + ns = ChromeUtils.importESModule("resource://test/es6module_cycle_a.js"); + Assert.ok(ns.loaded); + Assert.equal(ns.getValueFromB(), "b"); + ns = ChromeUtils.importESModule("resource://test/es6module_cycle_b.js"); + Assert.ok(ns.loaded); + Assert.equal(ns.getValueFromC(), "c"); + ns = ChromeUtils.importESModule("resource://test/es6module_cycle_c.js"); + Assert.ok(ns.loaded); + Assert.equal(ns.getValueFromA(), "a"); + + // Test top-level await is not supported. + testFailure("resource://test/es6module_top_level_await.js", { + type: "SyntaxError", + message: "not supported", + stack: "testFailure", + fileName: "resource://test/es6module_top_level_await.js", + lineNumber: 1, + columnNumber: 0, + }); + + // Test dynamic import is not supported. + ns = ChromeUtils.importESModule("resource://test/es6module_dynamic_import.js"); + const e = await ns.result; + checkException(e, { + type: "TypeError", + message: "not supported", + fileName: "resource://test/es6module_dynamic_import.js", + lineNumber: 5, + columnNumber: 1, + }); +}); + +function testFailure(url, expected) { + let threw = false; + let exception; + let importLine, importColumn; + try { + // Get the line/column for ChromeUtils.importESModule. + // lineNumber/columnNumber value with "*" in `expected` points the + // line/column. + let e = new Error(); + importLine = e.lineNumber + 3; + importColumn = 17; + ChromeUtils.importESModule(url); + } catch (e) { + threw = true; + exception = e; + } + + Assert.ok(threw, "Error should be thrown"); + + checkException(exception, expected, importLine, importColumn); + + return exception; +} + +function checkException(exception, expected, importLine, importColumn) { + if ("type" in expected) { + Assert.equal(exception.constructor.name, expected.type, "error type"); + } + if ("message" in expected) { + Assert.ok(exception.message.includes(expected.message), + `Message "${exception.message}" should contain "${expected.message}"`); + } + if ("stack" in expected) { + Assert.ok(exception.stack.includes(expected.stack), + `Stack "${exception.stack}" should contain "${expected.stack}"`); + } + if ("fileName" in expected) { + Assert.ok(exception.fileName.includes(expected.fileName), + `fileName "${exception.fileName}" should contain "${expected.fileName}"`); + } + if ("lineNumber" in expected) { + let expectedLine = expected.lineNumber; + if (expectedLine === "*") { + expectedLine = importLine; + } + Assert.equal(exception.lineNumber, expectedLine, "lineNumber"); + } + if ("columnNumber" in expected) { + let expectedColumn = expected.columnNumber; + if (expectedColumn === "*") { + expectedColumn = importColumn; + } + Assert.equal(exception.columnNumber, expectedColumn, "columnNumber"); + } + if ("result" in expected) { + Assert.equal(exception.result, expected.result, "result"); + } +} |