tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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debugLineNumber.js (1124B)

      1 // This Source Code Form is subject to the terms of the Mozilla Public
      2 // License, v. 2.0. If a copy of the MPL was not distributed with this
      3 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
      4 
      5 // TEST BEGIN
      6 
      7 // verify debugger line numbers are accurate
      8 try {
      9    `
     10    a
     11    b
     12    c
     13    `;
     14    throw Error("error");
     15 } catch (e) {
     16    assertEq(e.lineNumber, 14);
     17 }
     18 
     19 try {
     20    function tagThatThrows(...args) { throw new Error(); }
     21 
     22    tagThatThrows`
     23        multi-line
     24        template
     25        string`;
     26 } catch (e) {
     27    var stackLines = e.stack.split('\n');
     28    var firstLine = stackLines[0].split(':');
     29    var secondLine = stackLines[1].split(':');
     30    var firstLineSize = firstLine.length;
     31    var secondLineSize = secondLine.length;
     32    assertEq(firstLine[firstLineSize - 2], "20");
     33    assertEq(firstLine[firstLineSize - 1], "45");
     34    assertEq(secondLine[secondLineSize - 2], "22");
     35    assertEq(secondLine[secondLineSize - 1], "18");
     36 }
     37 
     38 try {
     39    ` multi-line
     40        template
     41        with
     42        ${substitutionThatThrows()}`
     43 
     44 } catch (e) {
     45    assertEq(e.lineNumber, 42);
     46 }
     47 
     48 
     49 
     50 reportCompare(0, 0, "ok");