testing/web-platform/tests/encoding/textdecoder-eof.any.js

   1 test(() => {
   2   // Truncated sequences
   3   assert_equals(new TextDecoder().decode(new Uint8Array([0xF0])), "\uFFFD");
   4   assert_equals(new TextDecoder().decode(new Uint8Array([0xF0, 0x9F])), "\uFFFD");
   5   assert_equals(new TextDecoder().decode(new Uint8Array([0xF0, 0x9F, 0x92])), "\uFFFD");
   6
   7   // Errors near end-of-queue
   8   assert_equals(new TextDecoder().decode(new Uint8Array([0xF0, 0x9F, 0x41])), "\uFFFDA");
   9   assert_equals(new TextDecoder().decode(new Uint8Array([0xF0, 0x41, 0x42])), "\uFFFDAB");
  10   assert_equals(new TextDecoder().decode(new Uint8Array([0xF0, 0x41, 0xF0])), "\uFFFDA\uFFFD");
  11   assert_equals(new TextDecoder().decode(new Uint8Array([0xF0, 0x8F, 0x92])), "\uFFFD\uFFFD\uFFFD");
  12 }, "TextDecoder end-of-queue handling");
  13
  14 test(() => {
  15   const decoder = new TextDecoder();
  16   decoder.decode(new Uint8Array([0xF0]), { stream: true });
  17   assert_equals(decoder.decode(), "\uFFFD");
  18
  19   decoder.decode(new Uint8Array([0xF0]), { stream: true });
  20   decoder.decode(new Uint8Array([0x9F]), { stream: true });
  21   assert_equals(decoder.decode(), "\uFFFD");
  22
  23   decoder.decode(new Uint8Array([0xF0, 0x9F]), { stream: true });
  24   assert_equals(decoder.decode(new Uint8Array([0x92])), "\uFFFD");
  25
  26   assert_equals(decoder.decode(new Uint8Array([0xF0, 0x9F]), { stream: true }), "");
  27   assert_equals(decoder.decode(new Uint8Array([0x41]), { stream: true }), "\uFFFDA");
  28   assert_equals(decoder.decode(), "");
  29
  30   assert_equals(decoder.decode(new Uint8Array([0xF0, 0x41, 0x42]), { stream: true }), "\uFFFDAB");
  31   assert_equals(decoder.decode(), "");
  32
  33   assert_equals(decoder.decode(new Uint8Array([0xF0, 0x41, 0xF0]), { stream: true }), "\uFFFDA");
  34   assert_equals(decoder.decode(), "\uFFFD");
  35
  36   assert_equals(decoder.decode(new Uint8Array([0xF0]), { stream: true }), "");
  37   assert_equals(decoder.decode(new Uint8Array([0x8F]), { stream: true }), "\uFFFD\uFFFD");
  38   assert_equals(decoder.decode(new Uint8Array([0x92]), { stream: true }), "\uFFFD");
  39   assert_equals(decoder.decode(), "");
  40 }, "TextDecoder end-of-queue handling using stream: true");