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<!DOCTYPE html>
<meta charset="utf-8">
<title>ReadableStream disturbed tests, via Response's bodyUsed property</title>
<link rel="author" title="Domenic Denicola" href="mailto:d@domenic.me">
<link rel="author" title="Takeshi Yoshino" href="mailto:tyoshino@chromium.org">
<link rel="help" href="https://streams.spec.whatwg.org/#is-readable-stream-disturbed">
<link rel="help" href="https://fetch.spec.whatwg.org/#dom-body-bodyused">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
"use strict";
test(() => {
const stream = new ReadableStream();
const response = new Response(stream);
assert_false(response.bodyUsed, "On construction");
const reader = stream.getReader();
assert_false(response.bodyUsed, "After getting a reader");
reader.read();
assert_true(response.bodyUsed, "After calling stream.read()");
}, "A non-closed stream on which read() has been called");
test(() => {
const stream = new ReadableStream();
const response = new Response(stream);
assert_false(response.bodyUsed, "On construction");
const reader = stream.getReader();
assert_false(response.bodyUsed, "After getting a reader");
reader.cancel();
assert_true(response.bodyUsed, "After calling stream.cancel()");
}, "A non-closed stream on which cancel() has been called");
test(() => {
const stream = new ReadableStream({
start(c) {
c.close();
}
});
const response = new Response(stream);
assert_false(response.bodyUsed, "On construction");
const reader = stream.getReader();
assert_false(response.bodyUsed, "After getting a reader");
reader.read();
assert_true(response.bodyUsed, "After calling stream.read()");
}, "A closed stream on which read() has been called");
test(() => {
const stream = new ReadableStream({
start(c) {
c.error(new Error("some error"));
}
});
const response = new Response(stream);
assert_false(response.bodyUsed, "On construction");
const reader = stream.getReader();
assert_false(response.bodyUsed, "After getting a reader");
reader.read().then(() => { }, () => { });
assert_true(response.bodyUsed, "After calling stream.read()");
}, "An errored stream on which read() has been called");
test(() => {
const stream = new ReadableStream({
start(c) {
c.error(new Error("some error"));
}
});
const response = new Response(stream);
assert_false(response.bodyUsed, "On construction");
const reader = stream.getReader();
assert_false(response.bodyUsed, "After getting a reader");
reader.cancel().then(() => { }, () => { });
assert_true(response.bodyUsed, "After calling stream.cancel()");
}, "An errored stream on which cancel() has been called");
</script>
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