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description("Test the behavior of CanvasRenderingContext2D.drawImage() when called with different numbers of arguments.");
var ctx = document.createElement('canvas').getContext('2d');
function ExpectedNotEnoughArgumentsMessage(num) {
return "\"TypeError: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': 3 arguments required, but only " + num + " present.\"";
}
var TypeError = '"TypeError: Failed to execute \'drawImage\' on \'CanvasRenderingContext2D\': No function was found that matched the signature provided."';
var imageElement = document.createElement("img");
shouldThrow("ctx.drawImage()", ExpectedNotEnoughArgumentsMessage(0));
shouldThrow("ctx.drawImage(imageElement)", ExpectedNotEnoughArgumentsMessage(1));
shouldThrow("ctx.drawImage(imageElement, 0)", ExpectedNotEnoughArgumentsMessage(2));
shouldBe("ctx.drawImage(imageElement, 0, 0)", "undefined");
shouldThrow("ctx.drawImage(imageElement, 0, 0, 0)", "TypeError");
shouldBe("ctx.drawImage(imageElement, 0, 0, 0, 0)", "undefined");
shouldThrow("ctx.drawImage(imageElement, 0, 0, 0, 0, 0)", "TypeError");
shouldThrow("ctx.drawImage(imageElement, 0, 0, 0, 0, 0, 0)", "TypeError");
shouldThrow("ctx.drawImage(imageElement, 0, 0, 0, 0, 0, 0, 0)", "TypeError");
shouldBe("ctx.drawImage(imageElement, 0, 0, 0, 0, 0, 0, 0, 0)", "undefined");
shouldThrow("ctx.drawImage(imageElement, 0, 0, 0, 0, 0, 0, 0, 0, 0)", "TypeError");
shouldThrow("ctx.drawImage(imageElement, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)", "TypeError");
var canvasElement = document.createElement("canvas");
shouldThrow("ctx.drawImage(canvasElement)", ExpectedNotEnoughArgumentsMessage(1));
shouldThrow("ctx.drawImage(canvasElement, 0)", ExpectedNotEnoughArgumentsMessage(2));
shouldBe("ctx.drawImage(canvasElement, 0, 0)", "undefined");
shouldThrow("ctx.drawImage(canvasElement, 0, 0, 0)", "TypeError");
shouldBe("ctx.drawImage(canvasElement, 0, 0, 0, 0)", "undefined");
shouldThrow("ctx.drawImage(canvasElement, 0, 0, 0, 0, 0)", "TypeError");
shouldThrow("ctx.drawImage(canvasElement, 0, 0, 0, 0, 0, 0)", "TypeError");
shouldThrow("ctx.drawImage(canvasElement, 0, 0, 0, 0, 0, 0, 0)", "TypeError");
shouldThrow("ctx.drawImage(canvasElement, 0, 0, 0, 0, 0, 0, 0, 0)", '"IndexSizeError: Failed to execute \'drawImage\' on \'CanvasRenderingContext2D\': The source width is 0."');
shouldThrow("ctx.drawImage(canvasElement, 0, 0, 0, 0, 0, 0, 0, 0, 0)", "TypeError");
shouldThrow("ctx.drawImage(canvasElement, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)", "TypeError");
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