blob: 4d614c4cc47613e35e565f285c05c153bab3b414 [file] [log] [blame]
<!DOCTYPE html>
<script src='../resources/testharness.js'></script>
<script src='../resources/testharnessreport.js'></script>
<script>
// This is updated till https://github.com/whatwg/streams/commit/4ba861e6f60c248060811830e11271c84b439cc3
var test1 = async_test('Reading twice on a stream that gets closed');
test1.step(function() {
var controller;
var rs = new ReadableStream({
start: function(c) {
controller = c;
}
});
var counter = 0;
var reader = rs.getReader();
reader.read().then(test1.step_func(function(result) {
assert_object_equals(result, { value: undefined, done: true }, 'read() should fulfill with close');
assert_equals(++counter, 1);
}));
reader.read().then(test1.step_func(function(result) {
assert_object_equals(result, { value: undefined, done: true }, 'read() should fulfill with close');
assert_equals(++counter, 2);
}));
reader.closed.then(test1.step_func(function() {
assert_equals(++counter, 3);
test1.done();
}));
controller.close();
});
var test2 = async_test('Reading twice on a closed stream');
test2.step(function() {
var controller;
var rs = new ReadableStream({
start: function(c) {
controller = c;
}
});
controller.close();
var counter = 0;
var reader = rs.getReader();
reader.read().then(test2.step_func(function(result) {
assert_object_equals(result, { value: undefined, done: true }, 'read() should fulfill with close');
assert_equals(counter, 0);
counter++;
}));
reader.read().then(test2.step_func(function(result) {
assert_object_equals(result, { value: undefined, done: true }, 'read() should fulfill with close');
assert_equals(counter, 1);
counter++;
}));
reader.closed.then(test2.step_func(function() {
assert_equals(counter, 2);
counter++;
test2.done();
}));
});
var test3 = async_test('Reading twice on an errored stream');
test3.step(function() {
var controller;
var rs = new ReadableStream({
start: function(c) {
controller = c;
}
});
var myError = { potato: "mashed" };
controller.error(myError);
var counter = 0;
var reader = rs.getReader();
reader.read().then(test3.step_func(function() {
assert_unreached('read() should reject on an errored stream');
}), test3.step_func(function(err) {
assert_equals(myError, err);
assert_equals(counter, 0);
counter++;
}));
reader.read().then(test3.step_func(function() {
assert_unreached('read() should reject on an errored stream');
}), test3.step_func(function(err) {
assert_equals(myError, err);
assert_equals(counter, 1);
counter++;
}));
reader.closed.then(test3.step_func(function() {
assert_unreached('read() should reject on an errored stream');
}), test3.step_func(function(err) {
assert_equals(myError, err);
assert_equals(counter, 2);
counter++;
test3.done();
}));
});
var test4 = async_test('Reading twice on a stream that gets errored');
test4.step(function() {
var controller;
var rs = new ReadableStream({
start: function(c) {
controller = c;
}
});
var counter = 0;
var reader = rs.getReader();
reader.read().then(test4.step_func(function() {
assert_unreached('read() should reject on an errored stream');
}), test4.step_func(function(err) {
assert_equals(myError, err);
assert_equals(++counter, 1);
}));
reader.read().then(test4.step_func(function() {
assert_unreached('read() should reject on an errored stream');
}), test4.step_func(function(err) {
assert_equals(myError, err);
assert_equals(++counter, 2);
}));
reader.closed.then(test4.step_func(function() {
assert_unreached('read() should reject on an errored stream');
}), test4.step_func(function(err) {
assert_equals(myError, err);
assert_equals(++counter, 3);
test4.done();
}));
var myError = { potato: 'mashed' };
controller.error(myError);
});
var test5 = async_test('ReadableStream: if start rejects with no parameter, it should error the stream with an undefined error');
test5.step(function() {
var rs = new ReadableStream({
start: function(c) {
return Promise.reject();
}
});
rs.getReader().read().catch(test5.step_func(function(e) {
assert_equals(typeof e, "undefined");
test5.done();
}));
});
</script>