Source-sourceMapURL-deprecated.js

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

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

let dbg = new Debugger;

let gw = dbg.addDebuggee(g);

function getSourceMapURL() {

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

    return fw.script.source.sourceMapURL;

function setSourceMapURL(url) {

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

    fw.script.source.sourceMapURL = url;

// Without a source map

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

assertEq(getSourceMapURL(), null);

// With a source map

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

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

// Nested functions

let fired = false;

dbg.onDebuggerStatement = function (frame) {

    fired = true;

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

};

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

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

assertEq(fired, true);

// Comment pragmas

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

           '//@ sourceMappingURL=file:///var/quux.js.map');

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

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

           '/*//@ sourceMappingURL=file:///var/quux.js.map*/');

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

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

           '/*\n' +

           '//@ sourceMappingURL=file:///var/quux.js.map\n' +

           '*/');

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

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

// percent-encoded).

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

           '//@ sourceMappingURL=http://example.com/has illegal spaces.map');

assertEq(getSourceMapURL(), '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' +

           '//@ sourceMappingURL=\n' +

           'function z() {}');

assertEq(getSourceMapURL(), null);

assertEq('z' in g, true);

// The last comment pragma we see should be the one which sets the source map's

// URL.

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

           '//@ sourceMappingURL=http://example.com/foo.js.map\n' +

           '//@ sourceMappingURL=http://example.com/bar.js.map');

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

// With both a comment and the evaluate option.

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

           '//@ sourceMappingURL=http://example.com/foo.js.map',

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

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

// Make sure setting the sourceMapURL manually works

setSourceMapURL('baz.js.map');

assertEq(getSourceMapURL(), 'baz.js.map');

setSourceMapURL('');

assertEq(getSourceMapURL(), 'baz.js.map');