LCOV - code coverage report
Current view: top level - test/wpt/FileAPI/file - File-constructor-endings.js (source / functions) Hit Total Coverage
Test: lcov.info Lines: 232 232 100.0 %
Date: 2025-01-24 02:02:48 Functions: 15 15 100.0 %
Branches: 19 19 100.0 %

           Branch data     Line data    Source code
       1            [ + ]:          1 : import assert from 'node:assert/strict';
       2                 :          1 : import { EOL } from 'node:os';
       3                 :          1 : import { File as FilePolyfill } from '../../../../lib/helper/file-polyfill.js';
       4                 :          1 : 
       5                 :          1 : globalThis.File = FilePolyfill;
       6                 :          1 : 
       7            [ + ]:          1 : export default (activeURL) => {
       8                 :          1 : 
       9            [ + ]:          1 :         [ 'transparent',  'native'].forEach(value => {
      10                 :          2 :                 assert_class_string(new File([], 'name', {endings: value}), 'File', `Constructor should allow "${value}" endings`);
      11                 :          1 :         });
      12                 :          1 : 
      13                 :          1 :         [
      14                 :          1 :                 null,
      15                 :          1 :                 '',
      16                 :          1 :                 'invalidEnumValue',
      17                 :          1 :                 'Transparent',
      18                 :          1 :                 'NATIVE',
      19                 :          1 :                 0,
      20                 :          1 :                 {}
      21            [ + ]:          1 :         ].forEach(value => {
      22                 :          7 :                 assert.throws(
      23            [ + ]:          7 :                         () => {
      24                 :          7 :                                 new File([], 'name', {endings: value});
      25                 :          7 :                         },
      26            [ + ]:          7 :                         (err) => {
      27                 :          7 :                                 assert(err instanceof TypeError, `Invalid "endings" value: ${JSON.stringify(value)}`);
      28                 :          7 :                                 return true;
      29                 :          7 :                         }
      30                 :          7 :                 );
      31                 :          1 :         });
      32                 :          1 : 
      33            [ + ]:          1 :         (function test(){
      34                 :          1 :                 const test_error = {name: 'test'};
      35                 :          1 : 
      36                 :          1 :                 assert.throws(
      37            [ + ]:          1 :                         () => {
      38            [ + ]:          1 :                                 new File([], "name", { get endings() { throw test_error; }});
      39                 :          1 :                         },
      40            [ + ]:          1 :                         (err) => {
      41                 :          1 :                                 assert.deepStrictEqual(err, test_error, 'File constructor should propagate exceptions from "endings" property');
      42                 :          1 :                                 return true;
      43                 :          1 :                         }
      44                 :          1 :                 );
      45                 :          1 :         })('Exception propagation from options');
      46                 :          1 : 
      47            [ + ]:          1 :         (function test(){
      48                 :          1 :                 let got = false;
      49            [ + ]:          1 :                 new File([], "name", { get endings() { got = true; } });
      50                 :          1 : 
      51                 :          1 :                 assert(got, 'The "endings" property was accessed during construction.');
      52                 :          1 :         })('The "endings" options property is used');
      53                 :          1 : 
      54                 :          1 :         [
      55                 :          1 :                 {name: 'LF', input: '\n', native: EOL},
      56                 :          1 :                 {name: 'CR', input: '\r', native: '\r'},
      57                 :          1 : 
      58                 :          1 :                 {name: 'CRLF', input: '\r\n', native: EOL},
      59                 :          1 :                 {name: 'CRCR', input: '\r\r', native: '\r\r'},
      60                 :          1 :                 {name: 'LFCR', input: '\n\r', native: EOL + '\r'},
      61                 :          1 :                 {name: 'LFLF', input: '\n\n', native: EOL.repeat(2)},
      62                 :          1 : 
      63                 :          1 :                 {name: 'CRCRLF', input: '\r\r\n', native: '\r' + EOL},
      64                 :          1 :                 {name: 'CRLFLF', input: '\r\n\n', native: EOL.repeat(2)},
      65                 :          1 :                 {name: 'CRLFCR', input: '\r\n\r\n', native: EOL.repeat(2)},
      66                 :          1 : 
      67                 :          1 :                 {name: 'CRLFCRLF', input: '\r\n\r\n', native: EOL.repeat(2)},
      68                 :          1 :                 {name: 'LFCRLFCR', input: '\n\r\n\r', native: EOL.repeat(2) + '\r'},
      69                 :          1 : 
      70            [ + ]:          1 :         ].forEach(testCase => {
      71                 :         11 : 
      72            [ + ]:         11 :                 (async() => {
      73                 :         11 :                         const file = new File([testCase.input], 'name');
      74                 :         11 :                         assert.strictEqual(
      75                 :         11 :                                 await readBlobAsPromise(file),
      76                 :         11 :                                 testCase.input,
      77                 :         11 :                                 'Newlines should not change with endings unspecified');
      78                 :         11 :                 })(`Input ${testCase.name} with endings unspecified`);
      79                 :         11 : 
      80            [ + ]:         11 :                 (async() => {
      81                 :         11 :                         const file = new File([testCase.input], "name", {endings: 'transparent'});
      82                 :         11 :                         assert.strictEqual(
      83                 :         11 :                                 await readBlobAsPromise(file),
      84                 :         11 :                                 testCase.input,
      85                 :         11 :                                 'Newlines should not change with endings "transparent"');
      86                 :         11 :                 })(`Input ${testCase.name} with endings 'transparent'`);
      87                 :         11 : 
      88                 :         11 : 
      89            [ + ]:         11 :                 (async() => {
      90                 :         11 :                         const file = new File([testCase.input], "name", {endings: 'native'});
      91                 :         11 :                         assert.strictEqual(
      92                 :         11 :                                 await readBlobAsPromise(file),
      93                 :         11 :                                 testCase.native,
      94                 :         11 :                                 'Newlines should match the platform with endings "native');
      95                 :         11 :                 })(`Input ${testCase.name} with endings 'native'`);
      96                 :          1 :         });
      97                 :          1 : 
      98            [ + ]:          1 :         (async function test(){
      99                 :          1 :                 const file = new File(['\r', '\n'], "name", {endings: 'native'});
     100                 :          1 :                 const expected = '\r' + EOL;
     101                 :          1 : 
     102                 :          1 :                 assert.strictEqual(
     103                 :          1 :                         await readBlobAsPromise(file),
     104                 :          1 :                         expected,
     105                 :          1 :                         'CR/LF in adjacent strings should be converted to two platform newlines'
     106                 :          1 :                 );
     107                 :          1 :         })(`CR/LF in adjacent input strings`);
     108                 :          1 : 
     109            [ + ]:          1 :         function assert_class_string(object, class_string, description){
     110                 :          2 :                 var actual = {}.toString.call(object);
     111                 :          2 :                 var expected = "[object " + class_string + "]";
     112                 :          2 : 
     113                 :          2 :                 assert.strictEqual(actual, expected, description);
     114                 :          2 :         }
     115                 :          1 : 
     116            [ + ]:          1 :         function readBlobAsPromise(blob){
     117                 :         34 :                 return blob.text();
     118                 :         34 :         }
     119                 :          1 : }
     120                 :          1 : 
     121                 :          1 : /*
     122                 :          1 :  * File-constructor-endings.html
     123                 :          1 :  *
     124                 :          1 : 
     125                 :          1 : <!DOCTYPE html>
     126                 :          1 : <meta charset=utf-8>
     127                 :          1 : <title>File constructor: endings option</title>
     128                 :          1 : <link rel=help href="https://w3c.github.io/FileAPI/#file-constructor">
     129                 :          1 : <script src="/resources/testharness.js"></script>
     130                 :          1 : <script src="/resources/testharnessreport.js"></script>
     131                 :          1 : <script>
     132                 :          1 : 
     133                 :          1 : // Windows platforms use CRLF as the native line ending. All others use LF.
     134                 :          1 : const crlf = navigator.platform.startsWith('Win');
     135                 :          1 : const native_ending = crlf ? '\r\n' : '\n';
     136                 :          1 : 
     137                 :          1 : function readBlobAsPromise(blob) {
     138                 :          1 :   return new Promise((resolve, reject) => {
     139                 :          1 :     const reader = new FileReader();
     140                 :          1 :     reader.readAsText(blob);
     141                 :          1 :     reader.onload = e => resolve(reader.result);
     142                 :          1 :     reader.onerror = e => reject(reader.error);
     143                 :          1 :   });
     144                 :          1 : }
     145                 :          1 : 
     146                 :          1 : [
     147                 :          1 :   'transparent',
     148                 :          1 :   'native'
     149                 :          1 : ].forEach(value => test(t => {
     150                 :          1 :   assert_class_string(new File([], "name", {endings: value}), 'File',
     151                 :          1 :                       `Constructor should allow "${value}" endings`);
     152                 :          1 : }, `Valid "endings" value: ${JSON.stringify(value)}`));
     153                 :          1 : 
     154                 :          1 : [
     155                 :          1 :   null,
     156                 :          1 :   '',
     157                 :          1 :   'invalidEnumValue',
     158                 :          1 :   'Transparent',
     159                 :          1 :   'NATIVE',
     160                 :          1 :   0,
     161                 :          1 :   {}
     162                 :          1 : ].forEach(value => test(t => {
     163                 :          1 :   assert_throws_js(TypeError, () => new File([], "name", {endings: value}),
     164                 :          1 :                    'File constructor should throw');
     165                 :          1 : }, `Invalid "endings" value: ${JSON.stringify(value)}`));
     166                 :          1 : 
     167                 :          1 : test(t => {
     168                 :          1 :   const test_error = {name: 'test'};
     169                 :          1 :   assert_throws_exactly(
     170                 :          1 :     test_error,
     171                 :          1 :     () => new File([], "name", { get endings() { throw test_error; }}),
     172                 :          1 :     'File constructor should propagate exceptions from "endings" property');
     173                 :          1 : }, 'Exception propagation from options');
     174                 :          1 : 
     175                 :          1 : test(t => {
     176                 :          1 :   let got = false;
     177                 :          1 :   new File([], "name", { get endings() { got = true; } });
     178                 :          1 :   assert_true(got, 'The "endings" property was accessed during construction.');
     179                 :          1 : }, 'The "endings" options property is used');
     180                 :          1 : 
     181                 :          1 : [
     182                 :          1 :   {name: 'LF', input: '\n', native: native_ending},
     183                 :          1 :   {name: 'CR', input: '\r', native: native_ending},
     184                 :          1 : 
     185                 :          1 :   {name: 'CRLF', input: '\r\n', native: native_ending},
     186                 :          1 :   {name: 'CRCR', input: '\r\r', native: native_ending.repeat(2)},
     187                 :          1 :   {name: 'LFCR', input: '\n\r', native: native_ending.repeat(2)},
     188                 :          1 :   {name: 'LFLF', input: '\n\n', native: native_ending.repeat(2)},
     189                 :          1 : 
     190                 :          1 :   {name: 'CRCRLF', input: '\r\r\n', native: native_ending.repeat(2)},
     191                 :          1 :   {name: 'CRLFLF', input: '\r\n\n', native: native_ending.repeat(2)},
     192                 :          1 :   {name: 'CRLFCR', input: '\r\n\r\n', native: native_ending.repeat(2)},
     193                 :          1 : 
     194                 :          1 :   {name: 'CRLFCRLF', input: '\r\n\r\n', native: native_ending.repeat(2)},
     195                 :          1 :   {name: 'LFCRLFCR', input: '\n\r\n\r', native: native_ending.repeat(3)},
     196                 :          1 : 
     197                 :          1 : ].forEach(testCase => {
     198                 :          1 :   promise_test(async t => {
     199                 :          1 :     const file = new File([testCase.input], "name");
     200                 :          1 :     assert_equals(
     201                 :          1 :       await readBlobAsPromise(file), testCase.input,
     202                 :          1 :       'Newlines should not change with endings unspecified');
     203                 :          1 :   }, `Input ${testCase.name} with endings unspecified`);
     204                 :          1 : 
     205                 :          1 :   promise_test(async t => {
     206                 :          1 :     const file = new File([testCase.input], "name", {endings: 'transparent'});
     207                 :          1 :     assert_equals(
     208                 :          1 :       await readBlobAsPromise(file), testCase.input,
     209                 :          1 :       'Newlines should not change with endings "transparent"');
     210                 :          1 :   }, `Input ${testCase.name} with endings 'transparent'`);
     211                 :          1 : 
     212                 :          1 :   promise_test(async t => {
     213                 :          1 :     const file = new File([testCase.input], "name", {endings: 'native'});
     214                 :          1 :     assert_equals(
     215                 :          1 :       await readBlobAsPromise(file), testCase.native,
     216                 :          1 :       'Newlines should match the platform with endings "native"');
     217                 :          1 :   }, `Input ${testCase.name} with endings 'native'`);
     218                 :          1 : });
     219                 :          1 : 
     220                 :          1 : promise_test(async t => {
     221                 :          1 :   const file = new File(['\r', '\n'], "name", {endings: 'native'});
     222                 :          1 :   const expected = native_ending.repeat(2);
     223                 :          1 :   assert_equals(
     224                 :          1 :     await readBlobAsPromise(file), expected,
     225                 :          1 :     'CR/LF in adjacent strings should be converted to two platform newlines');
     226                 :          1 : }, `CR/LF in adjacent input strings`);
     227                 :          1 : 
     228                 :          1 : </script>
     229                 :          1 : 
     230                 :          1 :  *
     231                 :          1 :  *
     232                 :          1 :  */

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