michael@0: // Script.prototype.sourceMapURL can be a string or null.
michael@0: 
michael@0: let g = newGlobal();
michael@0: let dbg = new Debugger;
michael@0: let gw = dbg.addDebuggee(g);
michael@0: 
michael@0: function getSourceMapURL() {
michael@0:     let fw = gw.makeDebuggeeValue(g.f);
michael@0:     return fw.script.sourceMapURL;
michael@0: }
michael@0: 
michael@0: // Without a source map
michael@0: g.evaluate("function f(x) { return 2*x; }");
michael@0: assertEq(getSourceMapURL(), null);
michael@0: 
michael@0: // With a source map
michael@0: g.evaluate("function f(x) { return 2*x; }", {sourceMapURL: 'file:///var/foo.js.map'});
michael@0: assertEq(getSourceMapURL(), 'file:///var/foo.js.map');
michael@0: 
michael@0: // Nested functions
michael@0: let fired = false;
michael@0: dbg.onDebuggerStatement = function (frame) {
michael@0:     fired = true;
michael@0:     assertEq(frame.script.sourceMapURL, 'file:///var/bar.js.map');
michael@0: };
michael@0: g.evaluate('(function () { (function () { debugger; })(); })();',
michael@0:            {sourceMapURL: 'file:///var/bar.js.map'});
michael@0: assertEq(fired, true);
michael@0: 
michael@0: // Comment pragmas
michael@0: g.evaluate('function f() {}\n' +
michael@0:            '//@ sourceMappingURL=file:///var/quux.js.map');
michael@0: assertEq(getSourceMapURL(), 'file:///var/quux.js.map');
michael@0: 
michael@0: g.evaluate('function f() {}\n' +
michael@0:            '/*//@ sourceMappingURL=file:///var/quux.js.map*/');
michael@0: assertEq(getSourceMapURL(), 'file:///var/quux.js.map');
michael@0: 
michael@0: g.evaluate('function f() {}\n' +
michael@0:            '/*\n' +
michael@0:            '//@ sourceMappingURL=file:///var/quux.js.map\n' +
michael@0:            '*/');
michael@0: assertEq(getSourceMapURL(), 'file:///var/quux.js.map');
michael@0: 
michael@0: // Spaces are disallowed by the URL spec (they should have been
michael@0: // percent-encoded).
michael@0: g.evaluate('function f() {}\n' +
michael@0:            '//@ sourceMappingURL=http://example.com/has illegal spaces.map');
michael@0: assertEq(getSourceMapURL(), 'http://example.com/has');
michael@0: 
michael@0: // When the URL is missing, we don't set the sourceMapURL and we don't skip the
michael@0: // next line of input.
michael@0: g.evaluate('function f() {}\n' +
michael@0:            '//@ sourceMappingURL=\n' +
michael@0:            'function z() {}');
michael@0: assertEq(getSourceMapURL(), null);
michael@0: assertEq('z' in g, true);
michael@0: 
michael@0: // The last comment pragma we see should be the one which sets the source map's
michael@0: // URL.
michael@0: g.evaluate('function f() {}\n' +
michael@0:            '//@ sourceMappingURL=http://example.com/foo.js.map\n' +
michael@0:            '//@ sourceMappingURL=http://example.com/bar.js.map');
michael@0: assertEq(getSourceMapURL(), 'http://example.com/bar.js.map');
michael@0: 
michael@0: // With both a comment and the evaluate option.
michael@0: g.evaluate('function f() {}\n' +
michael@0:            '//@ sourceMappingURL=http://example.com/foo.js.map',
michael@0:            {sourceMapURL: 'http://example.com/bar.js.map'});
michael@0: assertEq(getSourceMapURL(), 'http://example.com/foo.js.map');