encode-bad-chunks.any.js (1842B)
1 // META: global=window,worker 2 // META: script=resources/readable-stream-from-array.js 3 // META: script=resources/readable-stream-to-array.js 4 5 'use strict'; 6 7 const error1 = new Error('error1'); 8 error1.name = 'error1'; 9 10 promise_test(t => { 11 const ts = new TextEncoderStream(); 12 const writer = ts.writable.getWriter(); 13 const reader = ts.readable.getReader(); 14 const writePromise = writer.write({ 15 toString() { throw error1; } 16 }); 17 const readPromise = reader.read(); 18 return Promise.all([ 19 promise_rejects_exactly(t, error1, readPromise, 'read should reject with error1'), 20 promise_rejects_exactly(t, error1, writePromise, 'write should reject with error1'), 21 promise_rejects_exactly(t, error1, reader.closed, 'readable should be errored with error1'), 22 promise_rejects_exactly(t, error1, writer.closed, 'writable should be errored with error1'), 23 ]); 24 }, 'a chunk that cannot be converted to a string should error the streams'); 25 26 const oddInputs = [ 27 { 28 name: 'undefined', 29 value: undefined, 30 expected: 'undefined' 31 }, 32 { 33 name: 'null', 34 value: null, 35 expected: 'null' 36 }, 37 { 38 name: 'numeric', 39 value: 3.14, 40 expected: '3.14' 41 }, 42 { 43 name: 'object', 44 value: {}, 45 expected: '[object Object]' 46 }, 47 { 48 name: 'array', 49 value: ['hi'], 50 expected: 'hi' 51 } 52 ]; 53 54 for (const input of oddInputs) { 55 promise_test(async () => { 56 const outputReadable = readableStreamFromArray([input.value]) 57 .pipeThrough(new TextEncoderStream()) 58 .pipeThrough(new TextDecoderStream()); 59 const output = await readableStreamToArray(outputReadable); 60 assert_equals(output.length, 1, 'output should contain one chunk'); 61 assert_equals(output[0], input.expected, 'output should be correct'); 62 }, `input of type ${input.name} should be converted correctly to string`); 63 }