var assert = require( 'assert' );
var getLocation = require( '../../utils/getLocation' );
var SourceMapConsumer = require( 'source-map' ).SourceMapConsumer;

module.exports = {
	description: 'basic sourcemap support',
	test: function ( code, map ) {
		assert.equal( map.version, 3 );
		assert.ok( /^bundle\.(\w+)\.js/.test( map.file ) );

		var smc = new SourceMapConsumer( map );
		var generatedLoc, originalLoc;

		// main.js
		generatedLoc = getLocation( code, code.indexOf( "console.log( 'hello from main.js' )" ) );
		originalLoc = smc.originalPositionFor( generatedLoc );

		assert.equal( originalLoc.line, 4 );
		assert.equal( originalLoc.column, 0 );
		assert.equal( originalLoc.source, '../main.js' );

		// foo.js
		generatedLoc = getLocation( code, code.indexOf( "console.log( 'hello from foo.js' )" ) );
		originalLoc = smc.originalPositionFor( generatedLoc );

		assert.equal( originalLoc.line, 2 );
		assert.equal( originalLoc.column, 1 );
		assert.equal( originalLoc.source, '../foo.js' );

		// bar.js
		generatedLoc = getLocation( code, code.indexOf( "console.log( 'hello from bar.js' )" ) );
		originalLoc = smc.originalPositionFor( generatedLoc );

		assert.equal( originalLoc.line, 2 );
		assert.equal( originalLoc.column, 1 );
		assert.equal( originalLoc.source, '../bar.js' );
	}
};