Source-displayURL.js

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/* -*- js-indent-level: 4; indent-tabs-mode: nil -*- */

// Source.prototype.displayURL can be a string or null.

let g = newGlobal({newCompartment: true});

let dbg = new Debugger;

let gw = dbg.addDebuggee(g);

function getDisplayURL() {

    let fw = gw.makeDebuggeeValue(g.f);

    return fw.script.source.displayURL;

// Without a source url

g.evaluate("function f(x) { return 2*x; }");

assertEq(getDisplayURL(), null);

// With a source url

g.evaluate("function f(x) { return 2*x; }", {displayURL: 'file:///var/foo.js'});

assertEq(getDisplayURL(), 'file:///var/foo.js');

// Nested functions

let fired = false;

dbg.onDebuggerStatement = function (frame) {

    fired = true;

    assertEq(frame.script.source.displayURL, 'file:///var/bar.js');

};

g.evaluate('(function () { (function () { debugger; })(); })();',

           {displayURL: 'file:///var/bar.js'});

assertEq(fired, true);

// Comment pragmas

g.evaluate('function f() {}\n' +

           '//# sourceURL=file:///var/quux.js');

assertEq(getDisplayURL(), 'file:///var/quux.js');

g.evaluate('function f() {}\n' +

           '/*//# sourceURL=file:///var/quux.js*/');

assertEq(getDisplayURL(), 'file:///var/quux.js');

g.evaluate('function f() {}\n' +

           '/*\n' +

           '//# sourceURL=file:///var/quux.js\n' +

           '*/');

assertEq(getDisplayURL(), 'file:///var/quux.js');

// Spaces are disallowed by the URL spec (they should have been

// percent-encoded).

g.evaluate('function f() {}\n' +

           '//# sourceURL=http://example.com/has illegal spaces');

assertEq(getDisplayURL(), 'http://example.com/has');

// When the URL is missing, we don't set the sourceMapURL and we don't skip the

// next line of input.

g.evaluate('function f() {}\n' +

           '//# sourceURL=\n' +

           'function z() {}');

assertEq(getDisplayURL(), null);

assertEq('z' in g, true);

// The last comment pragma we see should be the one which sets the displayURL.

g.evaluate('function f() {}\n' +

           '//# sourceURL=http://example.com/foo.js\n' +

           '//# sourceURL=http://example.com/bar.js');

assertEq(getDisplayURL(), 'http://example.com/bar.js');

// With both a comment and the evaluate option.

g.evaluate('function f() {}\n' +

           '//# sourceURL=http://example.com/foo.js',

           {displayURL: 'http://example.com/bar.js'});

assertEq(getDisplayURL(), 'http://example.com/foo.js');

// Bug 981987 reported that we hadn't set sourceURL yet when firing onNewScript

// from the Function constructor.

var capturedScript;

var capturedDisplayURL;

var capturedSourceMapURL;

dbg.onNewScript = function (script) {

  capturedScript = script;

  capturedDisplayURL = script.source.displayURL;

  capturedSourceMapURL = script.source.sourceMapURL;

  dbg.onNewScript = undefined;

};

var fun = gw.makeDebuggeeValue(g.Function('//# sourceURL=munge.js\n//# sourceMappingURL=grunge.map\n'));

assertEq(capturedScript, fun.script);

assertEq(capturedDisplayURL, fun.script.source.displayURL);

assertEq(capturedDisplayURL, 'munge.js');

assertEq(capturedSourceMapURL, fun.script.source.sourceMapURL);

assertEq(capturedSourceMapURL, 'grunge.map');