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Diffstat (limited to '')
| -rw-r--r-- | testing/web-platform/tests/FileAPI/file/File-constructor.any.js | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/testing/web-platform/tests/FileAPI/file/File-constructor.any.js b/testing/web-platform/tests/FileAPI/file/File-constructor.any.js new file mode 100644 index 0000000000..0b0185c40b --- /dev/null +++ b/testing/web-platform/tests/FileAPI/file/File-constructor.any.js @@ -0,0 +1,155 @@ +// META: title=File constructor + +const to_string_obj = { toString: () => 'a string' }; +const to_string_throws = { toString: () => { throw new Error('expected'); } }; + +test(function() { + assert_true("File" in globalThis, "globalThis should have a File property."); +}, "File interface object exists"); + +test(t => { + assert_throws_js(TypeError, () => new File(), + 'Bits argument is required'); + assert_throws_js(TypeError, () => new File([]), + 'Name argument is required'); +}, 'Required arguments'); + +function test_first_argument(arg1, expectedSize, testName) { + test(function() { + var file = new File(arg1, "dummy"); + assert_true(file instanceof File); + assert_equals(file.name, "dummy"); + assert_equals(file.size, expectedSize); + assert_equals(file.type, ""); + // assert_false(file.isClosed); XXX: File.isClosed doesn't seem to be implemented + assert_not_equals(file.lastModified, ""); + }, testName); +} + +test_first_argument([], 0, "empty fileBits"); +test_first_argument(["bits"], 4, "DOMString fileBits"); +test_first_argument(["𝓽𝓮𝔁𝓽"], 16, "Unicode DOMString fileBits"); +test_first_argument([new String('string object')], 13, "String object fileBits"); +test_first_argument([new Blob()], 0, "Empty Blob fileBits"); +test_first_argument([new Blob(["bits"])], 4, "Blob fileBits"); +test_first_argument([new File([], 'world.txt')], 0, "Empty File fileBits"); +test_first_argument([new File(["bits"], 'world.txt')], 4, "File fileBits"); +test_first_argument([new ArrayBuffer(8)], 8, "ArrayBuffer fileBits"); +test_first_argument([new Uint8Array([0x50, 0x41, 0x53, 0x53])], 4, "Typed array fileBits"); +test_first_argument(["bits", new Blob(["bits"]), new Blob(), new Uint8Array([0x50, 0x41]), + new Uint16Array([0x5353]), new Uint32Array([0x53534150])], 16, "Various fileBits"); +test_first_argument([12], 2, "Number in fileBits"); +test_first_argument([[1,2,3]], 5, "Array in fileBits"); +test_first_argument([{}], 15, "Object in fileBits"); // "[object Object]" +if (globalThis.document !== undefined) { + test_first_argument([document.body], 24, "HTMLBodyElement in fileBits"); // "[object HTMLBodyElement]" +} +test_first_argument([to_string_obj], 8, "Object with toString in fileBits"); +test_first_argument({[Symbol.iterator]() { + let i = 0; + return {next: () => [ + {done:false, value:'ab'}, + {done:false, value:'cde'}, + {done:true} + ][i++]}; +}}, 5, 'Custom @@iterator'); + +[ + 'hello', + 0, + null +].forEach(arg => { + test(t => { + assert_throws_js(TypeError, () => new File(arg, 'world.html'), + 'Constructor should throw for invalid bits argument'); + }, `Invalid bits argument: ${JSON.stringify(arg)}`); +}); + +test(t => { + assert_throws_js(Error, () => new File([to_string_throws], 'name.txt'), + 'Constructor should propagate exceptions'); +}, 'Bits argument: object that throws'); + + +function test_second_argument(arg2, expectedFileName, testName) { + test(function() { + var file = new File(["bits"], arg2); + assert_true(file instanceof File); + assert_equals(file.name, expectedFileName); + }, testName); +} + +test_second_argument("dummy", "dummy", "Using fileName"); +test_second_argument("dummy/foo", "dummy/foo", + "No replacement when using special character in fileName"); +test_second_argument(null, "null", "Using null fileName"); +test_second_argument(1, "1", "Using number fileName"); +test_second_argument('', '', "Using empty string fileName"); +if (globalThis.document !== undefined) { + test_second_argument(document.body, '[object HTMLBodyElement]', "Using object fileName"); +} + +// testing the third argument +[ + {type: 'text/plain', expected: 'text/plain'}, + {type: 'text/plain;charset=UTF-8', expected: 'text/plain;charset=utf-8'}, + {type: 'TEXT/PLAIN', expected: 'text/plain'}, + {type: '𝓽𝓮𝔁𝓽/𝔭𝔩𝔞𝔦𝔫', expected: ''}, + {type: 'ascii/nonprintable\u001F', expected: ''}, + {type: 'ascii/nonprintable\u007F', expected: ''}, + {type: 'nonascii\u00EE', expected: ''}, + {type: 'nonascii\u1234', expected: ''}, + {type: 'nonparsable', expected: 'nonparsable'} +].forEach(testCase => { + test(t => { + var file = new File(["bits"], "dummy", { type: testCase.type}); + assert_true(file instanceof File); + assert_equals(file.type, testCase.expected); + }, `Using type in File constructor: ${testCase.type}`); +}); +test(function() { + var file = new File(["bits"], "dummy", { lastModified: 42 }); + assert_true(file instanceof File); + assert_equals(file.lastModified, 42); +}, "Using lastModified"); +test(function() { + var file = new File(["bits"], "dummy", { name: "foo" }); + assert_true(file instanceof File); + assert_equals(file.name, "dummy"); +}, "Misusing name"); +test(function() { + var file = new File(["bits"], "dummy", { unknownKey: "value" }); + assert_true(file instanceof File); + assert_equals(file.name, "dummy"); +}, "Unknown properties are ignored"); + +[ + 123, + 123.4, + true, + 'abc' +].forEach(arg => { + test(t => { + assert_throws_js(TypeError, () => new File(['bits'], 'name.txt', arg), + 'Constructor should throw for invalid property bag type'); + }, `Invalid property bag: ${JSON.stringify(arg)}`); +}); + +[ + null, + undefined, + [1,2,3], + /regex/, + function() {} +].forEach(arg => { + test(t => { + assert_equals(new File(['bits'], 'name.txt', arg).size, 4, + 'Constructor should accept object-ish property bag type'); + }, `Unusual but valid property bag: ${arg}`); +}); + +test(t => { + assert_throws_js(Error, + () => new File(['bits'], 'name.txt', {type: to_string_throws}), + 'Constructor should propagate exceptions'); +}, 'Property bag propagates exceptions'); |