| <!DOCTYPE html> |
| <script src='../resources/testharness.js'></script> |
| <script src='../resources/testharnessreport.js'></script> |
| <script src='../resources/gc.js'></script> |
| <script> |
| // This is updated till https://github.com/whatwg/streams/commit/4ba861e6f60c248060811830e11271c84b439cc3 |
| |
| test(function() { |
| var input = { |
| readable: { }, |
| writable: { } |
| }; |
| var options = { }; |
| assert_throws(new TypeError(), function() { ReadableStream.prototype.pipeThrough.call(undefined, input, options); }); |
| assert_throws(new TypeError(), function() { ReadableStream.prototype.pipeThrough.call(null, input, options); }); |
| assert_throws(new TypeError(), function() { ReadableStream.prototype.pipeThrough.call(1, input, options); }); |
| assert_throws(new TypeError(), function() { ReadableStream.prototype.pipeThrough.call({ "pipeTo": "test" }, input, options); }); |
| }, 'ReadableStream.prototype.pipeThrough should throw when "this" has no pipeTo method'); |
| |
| test(function() { |
| var options = { }; |
| var thisValue = { |
| pipeTo: function() { |
| assert_unreached(); |
| } |
| }; |
| |
| assert_throws(new TypeError(), function() { ReadableStream.prototype.pipeThrough.call(thisValue, null, options); }); |
| assert_throws(new TypeError(), function() { ReadableStream.prototype.pipeThrough.call(thisValue, undefined, options); }); |
| }, 'ReadableStream.prototype.pipeThrough should throw when passed argument is not an object'); |
| |
| test(function() { |
| var options = { }; |
| var error = new TypeError("potato"); |
| |
| var thisWrongValue = { |
| get pipeTo() { |
| throw error; |
| } |
| }; |
| assert_throws(error, function() { ReadableStream.prototype.pipeThrough.call(thisWrongValue, { readable: { }, writable: { } }, options); }); |
| |
| var thisValue = { |
| pipeTo: function() { |
| assert_unreached(); |
| } |
| }; |
| var wrongInput = { |
| readable: { }, |
| get writable() { |
| throw error; |
| } |
| }; |
| assert_throws(error, function() { ReadableStream.prototype.pipeThrough.call(thisValue, wrongInput, options); }); |
| |
| var wrongInput2 = { |
| get readable() { |
| throw error; |
| }, |
| writable: { } |
| }; |
| var thisValue2 = { |
| pipeTo: function() { } |
| }; |
| assert_throws(error, function() { ReadableStream.prototype.pipeThrough.call(thisValue2, wrongInput2, options); }); |
| }, 'ReadableStream.prototype.pipeThrough should throw when called getters are throwing'); |
| |
| test(function() { |
| var count = 0; |
| var thisValue = { |
| pipeTo: function() { |
| ++count; |
| } |
| }; |
| |
| ReadableStream.prototype.pipeThrough.call(thisValue, { readable: { }, writable: { } }); |
| ReadableStream.prototype.pipeThrough.call(thisValue, { readable: { } }, { }); |
| ReadableStream.prototype.pipeThrough.call(thisValue, { writable: { } }, { }); |
| |
| assert_equals(count, 3); |
| }, 'ReadableStream.prototype.pipeThrough should work with missing parameters'); |
| </script> |
