11cb0ef41Sopenharmony_citest(() => {
21cb0ef41Sopenharmony_ci  // Truncated sequences
31cb0ef41Sopenharmony_ci  assert_equals(new TextDecoder().decode(new Uint8Array([0xF0])), "\uFFFD");
41cb0ef41Sopenharmony_ci  assert_equals(new TextDecoder().decode(new Uint8Array([0xF0, 0x9F])), "\uFFFD");
51cb0ef41Sopenharmony_ci  assert_equals(new TextDecoder().decode(new Uint8Array([0xF0, 0x9F, 0x92])), "\uFFFD");
61cb0ef41Sopenharmony_ci
71cb0ef41Sopenharmony_ci  // Errors near end-of-queue
81cb0ef41Sopenharmony_ci  assert_equals(new TextDecoder().decode(new Uint8Array([0xF0, 0x9F, 0x41])), "\uFFFDA");
91cb0ef41Sopenharmony_ci  assert_equals(new TextDecoder().decode(new Uint8Array([0xF0, 0x41, 0x42])), "\uFFFDAB");
101cb0ef41Sopenharmony_ci  assert_equals(new TextDecoder().decode(new Uint8Array([0xF0, 0x41, 0xF0])), "\uFFFDA\uFFFD");
111cb0ef41Sopenharmony_ci  assert_equals(new TextDecoder().decode(new Uint8Array([0xF0, 0x8F, 0x92])), "\uFFFD\uFFFD\uFFFD");
121cb0ef41Sopenharmony_ci}, "TextDecoder end-of-queue handling");
131cb0ef41Sopenharmony_ci
141cb0ef41Sopenharmony_citest(() => {
151cb0ef41Sopenharmony_ci  const decoder = new TextDecoder();
161cb0ef41Sopenharmony_ci  decoder.decode(new Uint8Array([0xF0]), { stream: true });
171cb0ef41Sopenharmony_ci  assert_equals(decoder.decode(), "\uFFFD");
181cb0ef41Sopenharmony_ci
191cb0ef41Sopenharmony_ci  decoder.decode(new Uint8Array([0xF0]), { stream: true });
201cb0ef41Sopenharmony_ci  decoder.decode(new Uint8Array([0x9F]), { stream: true });
211cb0ef41Sopenharmony_ci  assert_equals(decoder.decode(), "\uFFFD");
221cb0ef41Sopenharmony_ci
231cb0ef41Sopenharmony_ci  decoder.decode(new Uint8Array([0xF0, 0x9F]), { stream: true });
241cb0ef41Sopenharmony_ci  assert_equals(decoder.decode(new Uint8Array([0x92])), "\uFFFD");
251cb0ef41Sopenharmony_ci
261cb0ef41Sopenharmony_ci  assert_equals(decoder.decode(new Uint8Array([0xF0, 0x9F]), { stream: true }), "");
271cb0ef41Sopenharmony_ci  assert_equals(decoder.decode(new Uint8Array([0x41]), { stream: true }), "\uFFFDA");
281cb0ef41Sopenharmony_ci  assert_equals(decoder.decode(), "");
291cb0ef41Sopenharmony_ci
301cb0ef41Sopenharmony_ci  assert_equals(decoder.decode(new Uint8Array([0xF0, 0x41, 0x42]), { stream: true }), "\uFFFDAB");
311cb0ef41Sopenharmony_ci  assert_equals(decoder.decode(), "");
321cb0ef41Sopenharmony_ci
331cb0ef41Sopenharmony_ci  assert_equals(decoder.decode(new Uint8Array([0xF0, 0x41, 0xF0]), { stream: true }), "\uFFFDA");
341cb0ef41Sopenharmony_ci  assert_equals(decoder.decode(), "\uFFFD");
351cb0ef41Sopenharmony_ci
361cb0ef41Sopenharmony_ci  assert_equals(decoder.decode(new Uint8Array([0xF0]), { stream: true }), "");
371cb0ef41Sopenharmony_ci  assert_equals(decoder.decode(new Uint8Array([0x8F]), { stream: true }), "\uFFFD\uFFFD");
381cb0ef41Sopenharmony_ci  assert_equals(decoder.decode(new Uint8Array([0x92]), { stream: true }), "\uFFFD");
391cb0ef41Sopenharmony_ci  assert_equals(decoder.decode(), "");
401cb0ef41Sopenharmony_ci}, "TextDecoder end-of-queue handling using stream: true");
41