| <!DOCTYPE html> |
| <html> |
| <title>Test that FileReader.result returns the same result regardless of whether it's from cache or not by getting it twice.</title> |
| <body> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script type="text/javascript"> |
| function setupHandlers(test, reader, expectedResult) |
| { |
| reader.onabort = test.step_func(function() { |
| assert_unreached("onabort invoked on reader"); |
| }); |
| reader.onerror = test.step_func(function() { |
| assert_unreached("onerror invoked on reader"); |
| }); |
| reader.onloadend = test.step_func(function() { |
| assert_equals(reader.readyState, reader.DONE, |
| "reader.readyState"); |
| assert_equals(reader.error, null, "reader.error"); |
| // Read result attribute twice to go through Blink's code path for |
| // caching converted result and reading from the cache. |
| assert_equals(reader.result, expectedResult, "reader.result"); |
| assert_equals(reader.result, expectedResult, "reader.result"); |
| test.done(); |
| }); |
| } |
| |
| var blob = new Blob(["HelloWorld"], {"type": "text/plain;charset=us-ascii"}); |
| |
| var testBinaryString = async_test("Read from a blob as a binary string"); |
| testBinaryString.step(function() { |
| var reader = new FileReader(); |
| reader.readAsBinaryString(blob); |
| setupHandlers(testBinaryString, reader, "HelloWorld"); |
| }); |
| |
| var testText = async_test("Read from a blob as a text"); |
| testText.step(function() { |
| var reader = new FileReader(); |
| reader.readAsText(blob); |
| setupHandlers(testText, reader, "HelloWorld"); |
| }); |
| |
| var testDataURL = async_test("Read from a blob as a data URL"); |
| testDataURL.step(function() { |
| var reader = new FileReader(); |
| reader.readAsDataURL(blob); |
| setupHandlers(testDataURL, reader, "data:text/plain;charset=us-ascii;base64,SGVsbG9Xb3JsZA=="); |
| }); |
| </script> |
| </body> |
| </html> |
