tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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Script-getOffsetLine-01.js (710B)

      1 // Basic getOffsetLocation test, using Error.lineNumber as the gold standard.
      2 
      3 var g = newGlobal({newCompartment: true});
      4 var dbg = Debugger(g);
      5 var hits;
      6 dbg.onDebuggerStatement = function (frame) {
      7    var knownLine = frame.eval("line").return;
      8    assertEq(frame.script.getOffsetLocation(frame.offset).lineNumber, knownLine);
      9    hits++;
     10 };
     11 
     12 hits = 0;
     13 g.eval("var line = new Error().lineNumber; debugger;");
     14 assertEq(hits, 1);
     15 
     16 hits = 0;
     17 g.eval("var s = 2 + 2;\n" +
     18       "s += 2;\n" +
     19       "line = new Error().lineNumber; debugger;\n" +
     20       "s += 2;\n" +
     21       "s += 2;\n" +
     22       "line = new Error().lineNumber; debugger;\n" +
     23       "s += 2;\n" +
     24       "assertEq(s, 12);\n");
     25 assertEq(hits, 2);