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<!DOCTYPE html>
<script src="../../resources/js-test.js"></script>
<script>
description("Test the Blob constructor.");
// Test the different ways you can construct a Blob.
shouldBeTrue("(new Blob()) instanceof window.Blob");
shouldBeTrue("(new Blob([])) instanceof window.Blob");
shouldBeTrue("(new Blob(['hello'])) instanceof window.Blob");
shouldBeTrue("(new Blob(['hello'], {})) instanceof window.Blob");
shouldBeTrue("(new Blob(['hello'], {type:'text/html'})) instanceof window.Blob");
shouldBeTrue("(new Blob(['hello'], {type:'text/html', endings:'native'})) instanceof window.Blob");
shouldBeTrue("(new Blob(['hello'], {type:'text/html', endings:'transparent'})) instanceof window.Blob");
// Test invalid blob parts.
shouldThrow("new Blob('hello')", '"TypeError: Failed to construct \'Blob\': The 1st argument is neither an array, nor does it have indexed properties."');
shouldThrow("new Blob(0)", '"TypeError: Failed to construct \'Blob\': The 1st argument is neither an array, nor does it have indexed properties."');
// Test valid blob parts.
shouldBeTrue("(new Blob([])) instanceof window.Blob");
shouldBeTrue("(new Blob(['stringPrimitive'])) instanceof window.Blob");
shouldBeTrue("(new Blob([String('stringObject')])) instanceof window.Blob");
shouldBeTrue("(new Blob([new Blob])) instanceof window.Blob");
shouldBeTrue("(new Blob([new Blob([new Blob])])) instanceof window.Blob");
// Test some conversions to string in the parts array.
shouldBe("(new Blob([12])).size", "2");
shouldBe("(new Blob([[]])).size", "0"); // [].toString() is the empty string
shouldBe("(new Blob([{}])).size", "15");; // {}.toString() is the string "[object Object]"
shouldBe("(new Blob([document])).size", "21"); // document.toString() is the string "[object HTMLDocument]"
var toStringingObj = { toString: function() { return "A string"; } };
shouldBe("(new Blob([toStringingObj])).size", "8");
var throwingObj = { toString: function() { throw "Error"; } };
shouldThrow("new Blob([throwingObj])", "'Error'");
// Test some invalid property bags.
shouldBeTrue("(new Blob([], {unknownKey:'value'})) instanceof window.Blob"); // Ignore invalid keys
shouldThrow("new Blob([], {endings:'illegalValue'})", "'TypeError: Failed to construct \\'Blob\\': The \"endings\" property must be either \"transparent\" or \"native\".'");
shouldThrow("new Blob([], {endings:throwingObj})", "'Error'");
shouldThrow("new Blob([], {type:throwingObj})", "'Error'");
shouldThrow("new Blob([], {type:'hello\u00EE'})", "'SyntaxError: Failed to construct \\'Blob\\': The \"type\" property must consist of ASCII characters.'");
// Test that order of property bag evaluation is lexigraphical
var throwingObj1 = { toString: function() { throw "Error 1"; } };
var throwingObj2 = { toString: function() { throw "Error 2"; } };
shouldThrow("new Blob([], {endings:throwingObj1, type:throwingObj2})", "'Error 1'");
shouldThrow("new Blob([], {type:throwingObj2, endings:throwingObj1})", "'Error 1'");
shouldThrow("new Blob([], {type:throwingObj2, endings:'illegal'})", "'TypeError: Failed to construct \\'Blob\\': The \"endings\" property must be either \"transparent\" or \"native\".'");
// Test various non-object literals being used as property bags.
shouldThrow("(new Blob([], null)) instanceof window.Blob", "'TypeError: Failed to construct \\'Blob\\': The 2nd argument is not of type Object.'");
shouldThrow("(new Blob([], undefined)) instanceof window.Blob", "'TypeError: Failed to construct \\'Blob\\': The 2nd argument is not of type Object.'");
shouldThrow("(new Blob([], 123)) instanceof window.Blob", "'TypeError: Failed to construct \\'Blob\\': The 2nd argument is not of type Object.'");
shouldThrow("(new Blob([], 123.4)) instanceof window.Blob", "'TypeError: Failed to construct \\'Blob\\': The 2nd argument is not of type Object.'");
shouldThrow("(new Blob([], true)) instanceof window.Blob", "'TypeError: Failed to construct \\'Blob\\': The 2nd argument is not of type Object.'");
shouldThrow("(new Blob([], 'abc')) instanceof window.Blob", "'TypeError: Failed to construct \\'Blob\\': The 2nd argument is not of type Object.'");
shouldBeTrue("(new Blob([], [])) instanceof window.Blob");
shouldBeTrue("(new Blob([], /abc/)) instanceof window.Blob");
shouldBeTrue("(new Blob([], function () {})) instanceof window.Blob");
// Test that the type/size is correctly added to the Blob
shouldBe("(new Blob([], {type:'text/html'})).type", "'text/html'");
shouldBe("(new Blob([], {type:'text/html'})).size", "0");
shouldBe("(new Blob([], {type:'text/plain;charset=UTF-8'})).type", "'text/plain;charset=utf-8'");
// Test the number of expected arguments in the Blob constructor.
shouldBe("window.Blob.length", "0");
// Test ArrayBufferView parameters.
shouldBe("new Blob([new DataView(new ArrayBuffer(100))]).size", "100");
shouldBe("new Blob([new Uint8Array(100)]).size", "100");
shouldBe("new Blob([new Uint8ClampedArray(100)]).size", "100");
shouldBe("new Blob([new Uint16Array(100)]).size", "200");
shouldBe("new Blob([new Uint32Array(100)]).size", "400");
shouldBe("new Blob([new Int8Array(100)]).size", "100");
shouldBe("new Blob([new Int16Array(100)]).size", "200");
shouldBe("new Blob([new Int32Array(100)]).size", "400");
shouldBe("new Blob([new Float32Array(100)]).size", "400");
shouldBe("new Blob([new Float64Array(100)]).size", "800");
shouldBe("new Blob([new Float64Array(100), new Int32Array(100), new Uint8Array(100), new DataView(new ArrayBuffer(100))]).size", "1400");
shouldBe("new Blob([new Blob([new Int32Array(100)]), new Uint8Array(100), new Float32Array(100), new DataView(new ArrayBuffer(100))]).size", "1000");
// Test ArrayBuffer parameters.
shouldBe("new Blob([(new DataView(new ArrayBuffer(100))).buffer]).size", "100");
shouldBe("new Blob([(new Uint8Array(100)).buffer]).size", "100");
shouldBe("new Blob([(new Uint8ClampedArray(100)).buffer]).size", "100");
shouldBe("new Blob([(new Uint16Array(100)).buffer]).size", "200");
shouldBe("new Blob([(new Uint32Array(100)).buffer]).size", "400");
shouldBe("new Blob([(new Int8Array(100)).buffer]).size", "100");
shouldBe("new Blob([(new Int16Array(100)).buffer]).size", "200");
shouldBe("new Blob([(new Int32Array(100)).buffer]).size", "400");
shouldBe("new Blob([(new Float32Array(100)).buffer]).size", "400");
shouldBe("new Blob([(new Float64Array(100)).buffer]).size", "800");
shouldBe("new Blob([(new Float64Array(100)).buffer, (new Int32Array(100)).buffer, (new Uint8Array(100)).buffer, (new DataView(new ArrayBuffer(100))).buffer]).size", "1400");
shouldBe("new Blob([new Blob([(new Int32Array(100)).buffer]), (new Uint8Array(100)).buffer, (new Float32Array(100)).buffer, (new DataView(new ArrayBuffer(100))).buffer]).size", "1000");
// Test passing blob parts in sequences.
shouldBeTrue("new Blob({length: 0}) instanceof window.Blob");
shouldBe("new Blob({length: 0}).size", "0");
shouldBe("new Blob({length: 1, 0: 'string'}).size", "6");
shouldBe("new Blob({length: 2, 0: new Uint8Array(100), 1: new Int16Array(100)}).size", "300");
shouldBe("new Blob({length: 1, 0: 'string'}, {type: 'text/html'}).type", "'text/html'");
shouldThrow("new Blob({length: 0}, {endings:'illegal'})", "'TypeError: Failed to construct \\'Blob\\': The \"endings\" property must be either \"transparent\" or \"native\".'");
// Test passing blog parts in a sequence-like object that throws on property access.
var throwingSequence = {length: 4, 0: 'hello', 3: 'world'};
Object.defineProperty(throwingSequence, "1", {
get: function() { throw new Error("Misbehaving property"); },
enumerable: true, configurable: true
});
Object.defineProperty(throwingSequence, "2", {
get: function() { throw new Error("This should not be thrown"); },
enumerable: true, configurable: true
});
shouldThrow("new Blob(throwingSequence)", "'Error: Misbehaving property'");
</script>
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