Source code

Revision control

Copy as Markdown

Other Tools

Test Info:

test(() => {
// Truncated sequences
assert_equals(new TextDecoder().decode(new Uint8Array([0xF0])), "\uFFFD");
assert_equals(new TextDecoder().decode(new Uint8Array([0xF0, 0x9F])), "\uFFFD");
assert_equals(new TextDecoder().decode(new Uint8Array([0xF0, 0x9F, 0x92])), "\uFFFD");
// Errors near end-of-queue
assert_equals(new TextDecoder().decode(new Uint8Array([0xF0, 0x9F, 0x41])), "\uFFFDA");
assert_equals(new TextDecoder().decode(new Uint8Array([0xF0, 0x41, 0x42])), "\uFFFDAB");
assert_equals(new TextDecoder().decode(new Uint8Array([0xF0, 0x41, 0xF0])), "\uFFFDA\uFFFD");
assert_equals(new TextDecoder().decode(new Uint8Array([0xF0, 0x8F, 0x92])), "\uFFFD\uFFFD\uFFFD");
}, "TextDecoder end-of-queue handling");
test(() => {
const decoder = new TextDecoder();
decoder.decode(new Uint8Array([0xF0]), { stream: true });
assert_equals(decoder.decode(), "\uFFFD");
decoder.decode(new Uint8Array([0xF0]), { stream: true });
decoder.decode(new Uint8Array([0x9F]), { stream: true });
assert_equals(decoder.decode(), "\uFFFD");
decoder.decode(new Uint8Array([0xF0, 0x9F]), { stream: true });
assert_equals(decoder.decode(new Uint8Array([0x92])), "\uFFFD");
assert_equals(decoder.decode(new Uint8Array([0xF0, 0x9F]), { stream: true }), "");
assert_equals(decoder.decode(new Uint8Array([0x41]), { stream: true }), "\uFFFDA");
assert_equals(decoder.decode(), "");
assert_equals(decoder.decode(new Uint8Array([0xF0, 0x41, 0x42]), { stream: true }), "\uFFFDAB");
assert_equals(decoder.decode(), "");
assert_equals(decoder.decode(new Uint8Array([0xF0, 0x41, 0xF0]), { stream: true }), "\uFFFDA");
assert_equals(decoder.decode(), "\uFFFD");
assert_equals(decoder.decode(new Uint8Array([0xF0]), { stream: true }), "");
assert_equals(decoder.decode(new Uint8Array([0x8F]), { stream: true }), "\uFFFD\uFFFD");
assert_equals(decoder.decode(new Uint8Array([0x92]), { stream: true }), "\uFFFD");
assert_equals(decoder.decode(), "");
}, "TextDecoder end-of-queue handling using stream: true");