<!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>