LayoutTests/fast/files/file-constructor.html - WebKit - Git at Google

 <!DOCTYPE html>

 <script src="../../resources/js-test.js"></script>
 <script>
 description("Test the File constructor.");

 // Test the different ways you can construct a File.
 shouldBeTrue("(new File([], 'world.html')) instanceof window.File");
 shouldBeTrue("(new File(['hello'], 'world.html')) instanceof window.File");
 shouldBeTrue("(new File(['hello'], 'world.html', {})) instanceof window.File");
 shouldBeTrue("(new File(['hello'], 'world.html', {type:'text/html'})) instanceof window.File");
 shouldBeTrue("(new File(['hello'], 'world.html', {type:'text/html', endings:'native'})) instanceof window.File");
 shouldBeTrue("(new File(['hello'], 'world.html', {type:'text/html', endings:'transparent'})) instanceof window.File");

 // Test that File inherits from File.
 shouldBeTrue("(new File([], 'world.html')) instanceof window.File")

 // Verify that the file name argument is required.
 shouldThrow("(new File())", "'TypeError: Not enough arguments'");
 shouldThrow("(new File([]))", "'TypeError: Not enough arguments'");

 // Test valid file names.
 shouldBeTrue("(new File([], null)) instanceof window.File");
 shouldBeTrue("(new File([], 1)) instanceof window.File");
 shouldBeTrue("(new File([], '')) instanceof window.File");
 shouldBeTrue("(new File([], document)) instanceof window.File");

 // Test invalid file parts.
 shouldThrow("new File('hello', 'world.html')", '"TypeError: Value is not a sequence"');
 shouldThrow("new File(0, 'world.html')", '"TypeError: Value is not a sequence"');
 shouldThrow("new File(null, 'world.html')", "'TypeError: Value is not a sequence'");

 // Test valid file parts.
 shouldBeTrue("(new File([], 'world.html')) instanceof window.File");
 shouldBeTrue("(new File(['stringPrimitive'], 'world.html')) instanceof window.File");
 shouldBeTrue("(new File([String('stringObject')], 'world.html')) instanceof window.File");
 shouldBeTrue("(new File([new Blob], 'world.html')) instanceof window.File");
 shouldBeTrue("(new File([new Blob([new Blob])], 'world.html')) instanceof window.File");

 // Test File instances used as blob parts.
 shouldBeTrue("(new Blob([new File([], 'world.txt')])) instanceof window.Blob");
 shouldBeTrue("(new Blob([new Blob([new File([new Blob], 'world.txt')])])) instanceof window.Blob");
 shouldBeTrue("(new File([new File([], 'world.txt')], 'world.html')) instanceof window.File");
 shouldBeTrue("(new File([new Blob([new File([new Blob], 'world.txt')])], 'world.html')) instanceof window.File");

 // Test some conversions to string in the parts array.
 shouldBe("(new File([12], 'world.html')).size", "2");
 shouldBe("(new File([[]], 'world.html')).size", "0");         // [].toString() is the empty string
 shouldBe("(new File([{}], 'world.html')).size", "15");;       // {}.toString() is the string "[object Object]"
 shouldBe("(new File([document], 'world.html')).size", "21");  // document.toString() is the string "[object HTMLDocument]"

 var toStringingObj = { toString: function() { return "A string"; } };
 shouldBe("(new File([toStringingObj], 'world.html')).size", "8");

 var throwingObj = { toString: function() { throw "Error"; } };
 shouldThrow("new File([throwingObj], 'world.html')", "'Error'");

 // Test some conversions to string in the file name.
 shouldBe("(new File([], null)).name", "'null'");
 shouldBe("(new File([], 12)).name", "'12'");
 shouldBe("(new File([], '')).name", "''");
 shouldBe("(new File([], {})).name", "'[object Object]'");
 shouldBe("(new File([], document)).name", "'[object HTMLDocument]'");
 shouldBe("(new File([], toStringingObj)).name", "'A string'");
 shouldThrow("(new File([], throwingObj)).name", "'Error'");

 // Test some invalid property bags.
 shouldBeTrue("(new File([], 'world.html', {unknownKey:'value'})) instanceof window.File");
 shouldThrow("new File([], 'world.html', {type:throwingObj})", "'Error'");

 // Type with non-ascii characters should become the empty string.
 shouldBeTrue("(new File([], 'world.html', {type:'hello\u00EE'})) instanceof window.File");
 shouldBe("(new File([], 'world.html', {type:'hello\u00EE'})).type", "''");

 // FilePropertyBag  substeps: Type with non-ascii characters should not prevent lastModified from being extracted.
 shouldBe("(new File([], 'world.html', {lastModified: 555, type:'goodbye'})).lastModified", "555");
 shouldBe("(new File([], 'world.html', {lastModified: 555, type:'goodbye\u00EE'})).lastModified", "555");

 // Test various non-object literals being used as property bags.
 shouldBeTrue("(new File([], 'world.html', null)) instanceof window.File");
 shouldBeTrue("(new File([], 'world.html', undefined)) instanceof window.File");
 shouldThrow("(new File([], 'world.html', 123)) instanceof window.File", "'TypeError: Type error'");
 shouldThrow("(new File([], 'world.html', 123.4)) instanceof window.File", "'TypeError: Type error'");
 shouldThrow("(new File([], 'world.html', true)) instanceof window.File", "'TypeError: Type error'");
 shouldThrow("(new File([], 'world.html', 'abc')) instanceof window.File", "'TypeError: Type error'");
 shouldBeTrue("(new File([], 'world.html', [])) instanceof window.File");
 shouldBeTrue("(new File([], 'world.html', /abc/)) instanceof window.File");
 shouldBeTrue("(new File([], 'world.html', function () {})) instanceof window.File");

 // Test that the name/type/size are correctly added to the File.
 shouldBe("(new File([], 'world.html')).name", "'world.html'");
 shouldBe("(new File([], 'w/orld/ht/m.l')).name", "'w/orld/ht/m.l'");
 shouldBe("(new File([], 'world.html', {type:'text/html'})).name", "'world.html'");
 shouldBe("(new File([], 'world.html', {type:'text/html'})).type", "'text/html'");
 shouldBe("(new File([], 'world.html', {type:'text/html'})).size", "0");
 shouldBe("(new File([], 'world.html', {type:'text/plain;charset=UTF-8'})).type", "'text/plain;charset=utf-8'");

 // Test that the lastModified is correctly added to the File.
 var aDate = new Date(441532800000);
 shouldBe("(new File([], 'world.html', {lastModified: 441532800000})).lastModified", "441532800000");
 // Unless specified, lastModified should default to now.
 shouldBeNow("(new File([], 'world.html')).lastModified", 20000);
 shouldBeNow("(new File([], 'world.html', {})).lastModified", 20000);
 shouldBeNow("(new File([], 'world.html', {type: 'text/plain'})).lastModified", 20000);
 // Test that Date instances are implicitly converted to numbers.
 shouldBe("(new File([], 'world.html', {lastModified: new Date(441532800000)})).lastModified", "441532800000");

 // Test the number of expected arguments in the File constructor.
 shouldBe("window.File.length", "2");

 // Test ArrayBufferView parameters.
 shouldBe("new File([new DataView(new ArrayBuffer(100))], 'world.html').size", "100");
 shouldBe("new File([new Uint8Array(100)], 'world.html').size", "100");
 shouldBe("new File([new Uint8ClampedArray(100)], 'world.html').size", "100");
 shouldBe("new File([new Uint16Array(100)], 'world.html').size", "200");
 shouldBe("new File([new Uint32Array(100)], 'world.html').size", "400");
 shouldBe("new File([new Int8Array(100)], 'world.html').size", "100");
 shouldBe("new File([new Int16Array(100)], 'world.html').size", "200");
 shouldBe("new File([new Int32Array(100)], 'world.html').size", "400");
 shouldBe("new File([new Float32Array(100)], 'world.html').size", "400");
 shouldBe("new File([new Float64Array(100)], 'world.html').size", "800");
 shouldBe("new File([new Float64Array(100), new Int32Array(100), new Uint8Array(100), new DataView(new ArrayBuffer(100))], 'world.html').size", "1400");
 shouldBe("new File([new Blob([new Int32Array(100)]), new Uint8Array(100), new Float32Array(100), new DataView(new ArrayBuffer(100))], 'world.html').size", "1000");
 shouldBe("new File([new Blob([new Int32Array(100)]), new File([new Uint16Array(100)], 'world.txt'), new Uint8Array(100), new Float32Array(100), new DataView(new ArrayBuffer(100))], 'world.html').size", "1200");

 // Test ArrayBuffer parameters.
 shouldBe("new File([(new DataView(new ArrayBuffer(100))).buffer], 'world.html').size", "100");
 shouldBe("new File([(new Uint8Array(100)).buffer], 'world.html').size", "100");
 shouldBe("new File([(new Uint8ClampedArray(100)).buffer], 'world.html').size", "100");
 shouldBe("new File([(new Uint16Array(100)).buffer], 'world.html').size", "200");
 shouldBe("new File([(new Uint32Array(100)).buffer], 'world.html').size", "400");
 shouldBe("new File([(new Int8Array(100)).buffer], 'world.html').size", "100");
 shouldBe("new File([(new Int16Array(100)).buffer], 'world.html').size", "200");
 shouldBe("new File([(new Int32Array(100)).buffer], 'world.html').size", "400");
 shouldBe("new File([(new Float32Array(100)).buffer], 'world.html').size", "400");
 shouldBe("new File([(new Float64Array(100)).buffer], 'world.html').size", "800");
 shouldBe("new File([(new Float64Array(100)).buffer, (new Int32Array(100)).buffer, (new Uint8Array(100)).buffer, (new DataView(new ArrayBuffer(100))).buffer], 'world.html').size", "1400");
 shouldBe("new File([new Blob([(new Int32Array(100)).buffer]), (new Uint8Array(100)).buffer, (new Float32Array(100)).buffer, (new DataView(new ArrayBuffer(100))).buffer], 'world.html').size", "1000");
 shouldBe("new File([new Blob([(new Int32Array(100)).buffer]), new File([new Uint16Array(100).buffer], 'world.txt'), (new Uint8Array(100)).buffer, (new Float32Array(100)).buffer, (new DataView(new ArrayBuffer(100))).buffer], 'world.html').size", "1200");

 // Test building Blobs with ArrayBuffer / ArrayBufferView parts enclosed in files.
 shouldBe("new Blob([new Blob([new Int32Array(100)]), new File([new Uint16Array(100)], 'world.txt'), new Uint8Array(100), new Float32Array(100), new DataView(new ArrayBuffer(100))]).size", "1200");
 shouldBe("new Blob([new Blob([(new Int32Array(100)).buffer]), new File([new Uint16Array(100).buffer], 'world.txt'), (new Uint8Array(100)).buffer, (new Float32Array(100)).buffer, (new DataView(new ArrayBuffer(100))).buffer]).size", "1200");
 </script>
	<!DOCTYPE html>

	<script src="../../resources/js-test.js"></script>
	<script>
	description("Test the File constructor.");

	// Test the different ways you can construct a File.
	shouldBeTrue("(new File([], 'world.html')) instanceof window.File");
	shouldBeTrue("(new File(['hello'], 'world.html')) instanceof window.File");
	shouldBeTrue("(new File(['hello'], 'world.html', {})) instanceof window.File");
	shouldBeTrue("(new File(['hello'], 'world.html', {type:'text/html'})) instanceof window.File");
	shouldBeTrue("(new File(['hello'], 'world.html', {type:'text/html', endings:'native'})) instanceof window.File");
	shouldBeTrue("(new File(['hello'], 'world.html', {type:'text/html', endings:'transparent'})) instanceof window.File");

	// Test that File inherits from File.
	shouldBeTrue("(new File([], 'world.html')) instanceof window.File")

	// Verify that the file name argument is required.
	shouldThrow("(new File())", "'TypeError: Not enough arguments'");
	shouldThrow("(new File([]))", "'TypeError: Not enough arguments'");

	// Test valid file names.
	shouldBeTrue("(new File([], null)) instanceof window.File");
	shouldBeTrue("(new File([], 1)) instanceof window.File");
	shouldBeTrue("(new File([], '')) instanceof window.File");
	shouldBeTrue("(new File([], document)) instanceof window.File");

	// Test invalid file parts.
	shouldThrow("new File('hello', 'world.html')", '"TypeError: Value is not a sequence"');
	shouldThrow("new File(0, 'world.html')", '"TypeError: Value is not a sequence"');
	shouldThrow("new File(null, 'world.html')", "'TypeError: Value is not a sequence'");

	// Test valid file parts.
	shouldBeTrue("(new File([], 'world.html')) instanceof window.File");
	shouldBeTrue("(new File(['stringPrimitive'], 'world.html')) instanceof window.File");
	shouldBeTrue("(new File([String('stringObject')], 'world.html')) instanceof window.File");
	shouldBeTrue("(new File([new Blob], 'world.html')) instanceof window.File");
	shouldBeTrue("(new File([new Blob([new Blob])], 'world.html')) instanceof window.File");

	// Test File instances used as blob parts.
	shouldBeTrue("(new Blob([new File([], 'world.txt')])) instanceof window.Blob");
	shouldBeTrue("(new Blob([new Blob([new File([new Blob], 'world.txt')])])) instanceof window.Blob");
	shouldBeTrue("(new File([new File([], 'world.txt')], 'world.html')) instanceof window.File");
	shouldBeTrue("(new File([new Blob([new File([new Blob], 'world.txt')])], 'world.html')) instanceof window.File");

	// Test some conversions to string in the parts array.
	shouldBe("(new File([12], 'world.html')).size", "2");
	shouldBe("(new File([[]], 'world.html')).size", "0"); // [].toString() is the empty string
	shouldBe("(new File([{}], 'world.html')).size", "15");; // {}.toString() is the string "[object Object]"
	shouldBe("(new File([document], 'world.html')).size", "21"); // document.toString() is the string "[object HTMLDocument]"

	var toStringingObj = { toString: function() { return "A string"; } };
	shouldBe("(new File([toStringingObj], 'world.html')).size", "8");

	var throwingObj = { toString: function() { throw "Error"; } };
	shouldThrow("new File([throwingObj], 'world.html')", "'Error'");

	// Test some conversions to string in the file name.
	shouldBe("(new File([], null)).name", "'null'");
	shouldBe("(new File([], 12)).name", "'12'");
	shouldBe("(new File([], '')).name", "''");
	shouldBe("(new File([], {})).name", "'[object Object]'");
	shouldBe("(new File([], document)).name", "'[object HTMLDocument]'");
	shouldBe("(new File([], toStringingObj)).name", "'A string'");
	shouldThrow("(new File([], throwingObj)).name", "'Error'");

	// Test some invalid property bags.
	shouldBeTrue("(new File([], 'world.html', {unknownKey:'value'})) instanceof window.File");
	shouldThrow("new File([], 'world.html', {type:throwingObj})", "'Error'");

	// Type with non-ascii characters should become the empty string.
	shouldBeTrue("(new File([], 'world.html', {type:'hello\u00EE'})) instanceof window.File");
	shouldBe("(new File([], 'world.html', {type:'hello\u00EE'})).type", "''");

	// FilePropertyBag substeps: Type with non-ascii characters should not prevent lastModified from being extracted.
	shouldBe("(new File([], 'world.html', {lastModified: 555, type:'goodbye'})).lastModified", "555");
	shouldBe("(new File([], 'world.html', {lastModified: 555, type:'goodbye\u00EE'})).lastModified", "555");

	// Test various non-object literals being used as property bags.
	shouldBeTrue("(new File([], 'world.html', null)) instanceof window.File");
	shouldBeTrue("(new File([], 'world.html', undefined)) instanceof window.File");
	shouldThrow("(new File([], 'world.html', 123)) instanceof window.File", "'TypeError: Type error'");
	shouldThrow("(new File([], 'world.html', 123.4)) instanceof window.File", "'TypeError: Type error'");
	shouldThrow("(new File([], 'world.html', true)) instanceof window.File", "'TypeError: Type error'");
	shouldThrow("(new File([], 'world.html', 'abc')) instanceof window.File", "'TypeError: Type error'");
	shouldBeTrue("(new File([], 'world.html', [])) instanceof window.File");
	shouldBeTrue("(new File([], 'world.html', /abc/)) instanceof window.File");
	shouldBeTrue("(new File([], 'world.html', function () {})) instanceof window.File");

	// Test that the name/type/size are correctly added to the File.
	shouldBe("(new File([], 'world.html')).name", "'world.html'");
	shouldBe("(new File([], 'w/orld/ht/m.l')).name", "'w/orld/ht/m.l'");
	shouldBe("(new File([], 'world.html', {type:'text/html'})).name", "'world.html'");
	shouldBe("(new File([], 'world.html', {type:'text/html'})).type", "'text/html'");
	shouldBe("(new File([], 'world.html', {type:'text/html'})).size", "0");
	shouldBe("(new File([], 'world.html', {type:'text/plain;charset=UTF-8'})).type", "'text/plain;charset=utf-8'");

	// Test that the lastModified is correctly added to the File.
	var aDate = new Date(441532800000);
	shouldBe("(new File([], 'world.html', {lastModified: 441532800000})).lastModified", "441532800000");
	// Unless specified, lastModified should default to now.
	shouldBeNow("(new File([], 'world.html')).lastModified", 20000);
	shouldBeNow("(new File([], 'world.html', {})).lastModified", 20000);
	shouldBeNow("(new File([], 'world.html', {type: 'text/plain'})).lastModified", 20000);
	// Test that Date instances are implicitly converted to numbers.
	shouldBe("(new File([], 'world.html', {lastModified: new Date(441532800000)})).lastModified", "441532800000");

	// Test the number of expected arguments in the File constructor.
	shouldBe("window.File.length", "2");

	// Test ArrayBufferView parameters.
	shouldBe("new File([new DataView(new ArrayBuffer(100))], 'world.html').size", "100");
	shouldBe("new File([new Uint8Array(100)], 'world.html').size", "100");
	shouldBe("new File([new Uint8ClampedArray(100)], 'world.html').size", "100");
	shouldBe("new File([new Uint16Array(100)], 'world.html').size", "200");
	shouldBe("new File([new Uint32Array(100)], 'world.html').size", "400");
	shouldBe("new File([new Int8Array(100)], 'world.html').size", "100");
	shouldBe("new File([new Int16Array(100)], 'world.html').size", "200");
	shouldBe("new File([new Int32Array(100)], 'world.html').size", "400");
	shouldBe("new File([new Float32Array(100)], 'world.html').size", "400");
	shouldBe("new File([new Float64Array(100)], 'world.html').size", "800");
	shouldBe("new File([new Float64Array(100), new Int32Array(100), new Uint8Array(100), new DataView(new ArrayBuffer(100))], 'world.html').size", "1400");
	shouldBe("new File([new Blob([new Int32Array(100)]), new Uint8Array(100), new Float32Array(100), new DataView(new ArrayBuffer(100))], 'world.html').size", "1000");
	shouldBe("new File([new Blob([new Int32Array(100)]), new File([new Uint16Array(100)], 'world.txt'), new Uint8Array(100), new Float32Array(100), new DataView(new ArrayBuffer(100))], 'world.html').size", "1200");

	// Test ArrayBuffer parameters.
	shouldBe("new File([(new DataView(new ArrayBuffer(100))).buffer], 'world.html').size", "100");
	shouldBe("new File([(new Uint8Array(100)).buffer], 'world.html').size", "100");
	shouldBe("new File([(new Uint8ClampedArray(100)).buffer], 'world.html').size", "100");
	shouldBe("new File([(new Uint16Array(100)).buffer], 'world.html').size", "200");
	shouldBe("new File([(new Uint32Array(100)).buffer], 'world.html').size", "400");
	shouldBe("new File([(new Int8Array(100)).buffer], 'world.html').size", "100");
	shouldBe("new File([(new Int16Array(100)).buffer], 'world.html').size", "200");
	shouldBe("new File([(new Int32Array(100)).buffer], 'world.html').size", "400");
	shouldBe("new File([(new Float32Array(100)).buffer], 'world.html').size", "400");
	shouldBe("new File([(new Float64Array(100)).buffer], 'world.html').size", "800");
	shouldBe("new File([(new Float64Array(100)).buffer, (new Int32Array(100)).buffer, (new Uint8Array(100)).buffer, (new DataView(new ArrayBuffer(100))).buffer], 'world.html').size", "1400");
	shouldBe("new File([new Blob([(new Int32Array(100)).buffer]), (new Uint8Array(100)).buffer, (new Float32Array(100)).buffer, (new DataView(new ArrayBuffer(100))).buffer], 'world.html').size", "1000");
	shouldBe("new File([new Blob([(new Int32Array(100)).buffer]), new File([new Uint16Array(100).buffer], 'world.txt'), (new Uint8Array(100)).buffer, (new Float32Array(100)).buffer, (new DataView(new ArrayBuffer(100))).buffer], 'world.html').size", "1200");

	// Test building Blobs with ArrayBuffer / ArrayBufferView parts enclosed in files.
	shouldBe("new Blob([new Blob([new Int32Array(100)]), new File([new Uint16Array(100)], 'world.txt'), new Uint8Array(100), new Float32Array(100), new DataView(new ArrayBuffer(100))]).size", "1200");
	shouldBe("new Blob([new Blob([(new Int32Array(100)).buffer]), new File([new Uint16Array(100).buffer], 'world.txt'), (new Uint8Array(100)).buffer, (new Float32Array(100)).buffer, (new DataView(new ArrayBuffer(100))).buffer]).size", "1200");
	</script>