tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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Source-displayURL.js (3117B)

      1 /* -*- js-indent-level: 4; indent-tabs-mode: nil -*- */
      2 // Source.prototype.displayURL can be a string or null.
      3 
      4 let g = newGlobal({newCompartment: true});
      5 let dbg = new Debugger;
      6 let gw = dbg.addDebuggee(g);
      7 
      8 function getDisplayURL() {
      9    let fw = gw.makeDebuggeeValue(g.f);
     10    return fw.script.source.displayURL;
     11 }
     12 
     13 // Without a source url
     14 g.evaluate("function f(x) { return 2*x; }");
     15 assertEq(getDisplayURL(), null);
     16 
     17 // With a source url
     18 g.evaluate("function f(x) { return 2*x; }", {displayURL: 'file:///var/foo.js'});
     19 assertEq(getDisplayURL(), 'file:///var/foo.js');
     20 
     21 // Nested functions
     22 let fired = false;
     23 dbg.onDebuggerStatement = function (frame) {
     24    fired = true;
     25    assertEq(frame.script.source.displayURL, 'file:///var/bar.js');
     26 };
     27 g.evaluate('(function () { (function () { debugger; })(); })();',
     28           {displayURL: 'file:///var/bar.js'});
     29 assertEq(fired, true);
     30 
     31 // Comment pragmas
     32 g.evaluate('function f() {}\n' +
     33           '//# sourceURL=file:///var/quux.js');
     34 assertEq(getDisplayURL(), 'file:///var/quux.js');
     35 
     36 g.evaluate('function f() {}\n' +
     37           '/*//# sourceURL=file:///var/quux.js*/');
     38 assertEq(getDisplayURL(), 'file:///var/quux.js');
     39 
     40 g.evaluate('function f() {}\n' +
     41           '/*\n' +
     42           '//# sourceURL=file:///var/quux.js\n' +
     43           '*/');
     44 assertEq(getDisplayURL(), 'file:///var/quux.js');
     45 
     46 // Spaces are disallowed by the URL spec (they should have been
     47 // percent-encoded).
     48 g.evaluate('function f() {}\n' +
     49           '//# sourceURL=http://example.com/has illegal spaces');
     50 assertEq(getDisplayURL(), 'http://example.com/has');
     51 
     52 // When the URL is missing, we don't set the sourceMapURL and we don't skip the
     53 // next line of input.
     54 g.evaluate('function f() {}\n' +
     55           '//# sourceURL=\n' +
     56           'function z() {}');
     57 assertEq(getDisplayURL(), null);
     58 assertEq('z' in g, true);
     59 
     60 // The last comment pragma we see should be the one which sets the displayURL.
     61 g.evaluate('function f() {}\n' +
     62           '//# sourceURL=http://example.com/foo.js\n' +
     63           '//# sourceURL=http://example.com/bar.js');
     64 assertEq(getDisplayURL(), 'http://example.com/bar.js');
     65 
     66 // With both a comment and the evaluate option.
     67 g.evaluate('function f() {}\n' +
     68           '//# sourceURL=http://example.com/foo.js',
     69           {displayURL: 'http://example.com/bar.js'});
     70 assertEq(getDisplayURL(), 'http://example.com/foo.js');
     71 
     72 
     73 // Bug 981987 reported that we hadn't set sourceURL yet when firing onNewScript
     74 // from the Function constructor.
     75 var capturedScript;
     76 var capturedDisplayURL;
     77 var capturedSourceMapURL;
     78 dbg.onNewScript = function (script) {
     79  capturedScript = script;
     80  capturedDisplayURL = script.source.displayURL;
     81  capturedSourceMapURL = script.source.sourceMapURL;
     82  dbg.onNewScript = undefined;
     83 };
     84 var fun = gw.makeDebuggeeValue(g.Function('//# sourceURL=munge.js\n//# sourceMappingURL=grunge.map\n'));
     85 assertEq(capturedScript, fun.script);
     86 
     87 assertEq(capturedDisplayURL, fun.script.source.displayURL);
     88 assertEq(capturedDisplayURL, 'munge.js');
     89 
     90 assertEq(capturedSourceMapURL, fun.script.source.sourceMapURL);
     91 assertEq(capturedSourceMapURL, 'grunge.map');