<?php
require('jsbeautifier.php');

$opts = new BeautifierOptions();
$indent_size = 4;
$indent_char = ' ';
$preserve_newlines = true;
$jslint_happy = false;
$keep_array_indentation = false;
$brace_style = 'collapse';

/**
 * Main test
 *
 * @param $input
 * @param $expected
 */
function st_test($input, $expected)
{
	global $opts;
	
	$debug = false;

	if ($debug)
	{
		echo "=[ INPUT ]===\n" . $input . "\n";
		echo "=[ EXPECTED ]===\n" . $expected . "\n";
	}

	$jsbeautifier = new JSBeautifier();
	$result = $jsbeautifier->beautify($input, $opts);

	if ($expected != $result)
	{
		if ( ! $debug)
		{
			echo "=[ INPUT ]===\n" . $input . "\n";
			echo "=[ EXPECTED ]===\n" . $expected . "\n";
		}
		echo "=[ RESULT ]===\n" . $result . "\n=[ RESULT ]===\n";
		echo("Test did not pass!\n");
		for ($i = 0; $i < strlen($expected); $i++) {
			if ( ! isset($result[$i]))
			{
				echo "Result too short!\n";
				break;
			}
			elseif ($expected[$i] != $result[$i])
			{
				//echo "Diff at position #$i!\n";
			}
		}
		die();
	}
}

/**
 * test the input on beautifier with the current flag settings
 * does not check the indentation / surroundings as bt() does
 *
 * @param $input
 * @param bool $expected
 */
function test_fragment($input, $expected = false)
{
	$expected = $expected ?: $input;
	st_test($input, $expected);
}

/**
 * test the input on beautifier with the current flag settings
 * test both the input as well as { input } wrapping
 * @param $input
 * @param bool $expectation
 */
function bt($input, $expectation = false)
{
	global $opts;

	$wrapped_input = false;
	$wrapped_expectation = false;

	$expectation = $expectation ?: $input;
	test_fragment($input, $expectation);

	// test also the returned indentation
	// e.g if input = "asdf();"
	// then test that this remains properly formatted as well:
	// {
	//     asdf();
	//     indent;
	// }

	if ($opts->indent_size === 4 && $input)
	{
		$wrapped_input = "{\n" . $input . "\nfoo=bar;}";
		$wrapped_expectation = "{\n" . preg_replace('/^(.+)$/m', '    \1', $expectation) . "\n    foo = bar;\n}";
		test_fragment($wrapped_input, $wrapped_expectation);
	}
}

// make sure the blank line between function definitions stays
// even when preserve_newlines = false


/* Tests themselves */
bt('');
bt('return .5');
test_fragment('    return .5');
bt('a        =          1', 'a = 1');
bt('a=1', 'a = 1');
bt("a();\n\nb();", "a();\n\nb();");
bt('var a = 1 var b = 2', "var a = 1\nvar b = 2");
bt('var a=1, b=c[d], e=6;', 'var a = 1,'."\n".'    b = c[d],'."\n".'    e = 6;');
bt('a = " 12345 "');
bt("a = ' 12345 '");
bt('if (a == 1) b = 2;', "if (a == 1) b = 2;");
bt('if(1){2}else{3}', "if (1) {\n    2\n} else {\n    3\n}");
bt('if (foo) bar();'."\n".'else'."\n".'car();', 'if (foo) bar();'."\n".'else car();');
bt('if(1||2);', 'if (1 || 2);');
bt('(a==1)||(b==2)', '(a == 1) || (b == 2)');
bt('var a = 1 if (2) 3;', "var a = 1\nif (2) 3;");
bt('a = a + 1');
bt('a = a == 1');
bt('/12345[^678]*9+/.match(a)');
bt('a /= 5');
bt('a = 0.5 * 3');
bt('a *= 10.55');
bt('a < .5');
bt('a <= .5');
bt('a<.5', 'a < .5');
bt('a<=.5', 'a <= .5');
bt('a = 0xff;');
bt('a=0xff+4', 'a = 0xff + 4');
bt('a = [1, 2, 3, 4]');
bt('F*(g/=f)*g+b', 'F * (g /= f) * g + b');
bt('a.b({c:d})', "a.b({\n    c: d\n})");
bt('a.b'."\n".'('."\n".'{'."\n".'c:'."\n".'d'."\n".'}'."\n".')', "a.b({\n    c: d\n})");
bt('a=!b', 'a = !b');
bt('a?b:c', 'a ? b : c');
bt('a?1:2', 'a ? 1 : 2');
bt('a?(b):c', 'a ? (b) : c');
bt('x={a:1,b:w=="foo"?x:y,c:z}', 'x = {'."\n".'    a: 1,'."\n".'    b: w == "foo" ? x : y,'."\n".'    c: z'."\n".'}');
bt('x=a?b?c?d:e:f:g;', 'x = a ? b ? c ? d : e : f : g;');
bt('x=a?b?c?d:{e1:1,e2:2}:f:g;', 'x = a ? b ? c ? d : {'."\n".'    e1: 1,'."\n".'    e2: 2'."\n".'} : f : g;');
bt('function void(void) {}');
bt('if(!a)foo();', 'if (!a) foo();');
bt('a=~a', 'a = ~a');
bt('a;/*comment*/b;', "a; /*comment*/\nb;");
bt('a;/* comment */b;', "a; /* comment */\nb;");
test_fragment('a;/*'."\n".'comment'."\n".'*/b;', "a;\n/*\ncomment\n*/\nb;"); // simple comments don't get touched at all
bt('a;/**'."\n".'* javadoc'."\n".'*/b;', "a;\n/**\n * javadoc\n */\nb;");
test_fragment('a;/**'."\n".''."\n".'no javadoc'."\n".'*/b;', "a;\n/**\n\nno javadoc\n*/\nb;");
bt('a;/*'."\n".'* javadoc'."\n".'*/b;', "a;\n/*\n * javadoc\n */\nb;"); // comment blocks detected and reindented even w/o javadoc starter
bt('if(a)break;', "if (a) break;");
bt('if(a){break}', "if (a) {\n    break\n}");
bt('if((a))foo();', 'if ((a)) foo();');
bt('for(var i=0;;)', 'for (var i = 0;;)');
bt('a++;', 'a++;');
bt('for(;;i++)', 'for (;; i++)');
bt('for(;;++i)', 'for (;; ++i)');
bt('return(1)', 'return (1)');
bt('try{a();}catch(b){c();}finally{d();}', "try {\n    a();\n} catch (b) {\n    c();\n} finally {\n    d();\n}");
bt('(xx)()'); // magic function call
bt('a[1]()'); // another magic function call
bt('if(a){b();}else if(c) foo();', "if (a) {\n    b();\n} else if (c) foo();");
bt('switch(x) {case 0: case 1: a(); break; default: break}', "switch (x) {\ncase 0:\ncase 1:\n    a();\n    break;\ndefault:\n    break\n}");
bt('switch(x){case -1:break;case !y:break;}', 'switch (x) {'."\n".'case -1:'."\n".'    break;'."\n".'case !y:'."\n".'    break;'."\n".'}');
bt('a !== b');
bt('if (a) b(); else c();', "if (a) b();\nelse c();");
bt("// comment\n(function something() {})"); // typical greasemonkey start
bt("{\n\n    x();\n\n}"); // was: duplicating newlines
bt('if (a in b) foo();');
//  bt('var a, b');
bt('{a:1, b:2}', "{\n    a: 1,\n    b: 2\n}");
bt('a={1:[-1],2:[+1]}', 'a = {'."\n".'    1: [-1],'."\n".'    2: [+1]'."\n".'}');
bt('var l = {\'a\':\'1\', \'b\':\'2\'}', "var l = {\n    'a': '1',\n    'b': '2'\n}");
bt('if (template.user[n] in bk) foo();');
bt('{{}/z/}', "{\n    {}\n    /z/\n}");
bt('return 45', "return 45");
bt('If[1]', "If[1]");
bt('Then[1]', "Then[1]");
bt('a = 1e10', "a = 1e10");
bt('a = 1.3e10', "a = 1.3e10");
bt('a = 1.3e-10', "a = 1.3e-10");
bt('a = -1.3e-10', "a = -1.3e-10");
bt('a = 1e-10', "a = 1e-10");
bt('a = e - 10', "a = e - 10");
bt('a = 11-10', "a = 11 - 10");
bt("a = 1;// comment\n", "a = 1; // comment");
bt("a = 1; // comment\n", "a = 1; // comment");
bt("a = 1;\n // comment\n", "a = 1;\n// comment");

bt('o = [{a:b},{c:d}]', 'o = [{'."\n".'    a: b'."\n".'}, {'."\n".'    c: d'."\n".'}]');

bt("if (a) {\n    do();\n}"); // was: extra space appended
bt("if\n(a)\nb();", "if (a) b();"); // test for proper newline removal

bt("if (a) {\n// comment\n}else{\n// comment\n}", "if (a) {\n    // comment\n} else {\n    // comment\n}"); // if/else statement with empty body
bt("if (a) {\n// comment\n// comment\n}", "if (a) {\n    // comment\n    // comment\n}"); // multiple comments indentation
bt("if (a) b() else c();", "if (a) b()\nelse c();");
bt("if (a) b() else if c() d();", "if (a) b()\nelse if c() d();");

bt("{}");
bt("{\n\n}");
bt("do { a(); } while ( 1 );", "do {\n    a();\n} while (1);");
bt("do {} while (1);");
bt("do {\n} while (1);", "do {} while (1);");
bt("do {\n\n} while (1);");
bt("var a = x(a, b, c)");
bt("delete x if (a) b();", "delete x\nif (a) b();");
bt("delete x[x] if (a) b();", "delete x[x]\nif (a) b();");
bt("for(var a=1,b=2)", "for (var a = 1, b = 2)");
bt("for(var a=1,b=2,c=3)", "for (var a = 1, b = 2, c = 3)");
bt("for(var a=1,b=2,c=3;d<3;d++)", "for (var a = 1, b = 2, c = 3; d < 3; d++)");
bt("function x(){(a||b).c()}", "function x() {\n    (a || b).c()\n}");
bt("function x(){return - 1}", "function x() {\n    return -1\n}");
bt("function x(){return ! a}", "function x() {\n    return !a\n}");

// a common snippet in jQuery plugins
bt("settings = $.extend({},defaults,settings);", "settings = $.extend({}, defaults, settings);");

bt('{xxx;}()', '{'."\n".'    xxx;'."\n".'}()');

bt("a = 'a'\nb = 'b'");
bt("a = /reg/exp");
bt("a = /reg/");
bt('/abc/.test()');
bt('/abc/i.test()');
bt("{/abc/i.test()}", "{\n    /abc/i.test()\n}");
bt('var x=(a)/a;', 'var x = (a) / a;');

bt('x != -1', 'x != -1');

bt('for (; s-->0;)', 'for (; s-- > 0;)');
bt('for (; s++>0;)', 'for (; s++ > 0;)');
bt('a = s++>s--;', 'a = s++ > s--;');
bt('a = s++>--s;', 'a = s++ > --s;');

bt('{x=#1=[]}', '{'."\n".'    x = #1=[]'."\n".'}');
bt('{a:#1={}}', '{'."\n".'    a: #1={}'."\n".'}');
bt('{a:#1#}', '{'."\n".'    a: #1#'."\n".'}');

test_fragment('{a:1},{a:2}', '{'."\n".'    a: 1'."\n".'}, {'."\n".'    a: 2'."\n".'}');
test_fragment('var ary=[{a:1}, {a:2}];', 'var ary = [{'."\n".'    a: 1'."\n".'}, {'."\n".'    a: 2'."\n".'}];');

test_fragment('{a:#1', '{'."\n".'    a: #1'); // incomplete
test_fragment('{a:#', '{'."\n".'    a: #'); // incomplete

test_fragment('}}}', '}'."\n".'}'."\n".'}'); // incomplete

test_fragment('<!--'."\n".'void();'."\n".'// -->', '<!--'."\n".'void();'."\n".'// -->');

test_fragment('a=/regexp', 'a = /regexp'); // incomplete regexp

bt('{a:#1=[],b:#1#,c:#999999#}', '{'."\n".'    a: #1=[],'."\n".'    b: #1#,'."\n".'    c: #999999#'."\n".'}');

bt("a = 1e+2");
bt("a = 1e-2");
bt("do{x()}while(a>1)", "do {\n    x()\n} while (a > 1)");

bt("x(); /reg/exp.match(something)", "x();\n/reg/exp.match(something)");

test_fragment("something();(", "something();\n(");
test_fragment("#!she/bangs, she bangs\nf=1", "#!she/bangs, she bangs\n\nf = 1");
test_fragment("#!she/bangs, she bangs\n\nf=1", "#!she/bangs, she bangs\n\nf = 1");
test_fragment("#!she/bangs, she bangs\n\n/* comment */", "#!she/bangs, she bangs\n\n/* comment */");
test_fragment("#!she/bangs, she bangs\n\n\n/* comment */", "#!she/bangs, she bangs\n\n\n/* comment */");
test_fragment("#", "#");
test_fragment("#!", "#!");

bt("function namespace::something()");

test_fragment("<!--\nsomething();\n-->", "<!--\nsomething();\n-->");
test_fragment("<!--\nif(i<0){bla();}\n-->", "<!--\nif (i < 0) {\n    bla();\n}\n-->");

test_fragment("<!--\nsomething();\n-->\n<!--\nsomething();\n-->", "<!--\nsomething();\n-->\n<!--\nsomething();\n-->");
test_fragment("<!--\nif(i<0){bla();}\n-->\n<!--\nif(i<0){bla();}\n-->", "<!--\nif (i < 0) {\n    bla();\n}\n-->\n<!--\nif (i < 0) {\n    bla();\n}\n-->");

bt('{foo();--bar;}', '{'."\n".'    foo();'."\n".'    --bar;'."\n".'}');
bt('{foo();++bar;}', '{'."\n".'    foo();'."\n".'    ++bar;'."\n".'}');
bt('{--bar;}', '{'."\n".'    --bar;'."\n".'}');
bt('{++bar;}', '{'."\n".'    ++bar;'."\n".'}');

// regexps
bt('a(/abc\\/\\/def/);b()', "a(/abc\\/\\/def/);\nb()");
bt('a(/a[b\\[\\]c]d/);b()', "a(/a[b\\[\\]c]d/);\nb()");
test_fragment('a(/a[b\\[', "a(/a[b\\["); // incomplete char class
// allow unescaped / in char classes
bt('a(/[a/b]/);b()', "a(/[a/b]/);\nb()");

bt('a=[[1,2],[4,5],[7,8]]', "a = [\n    [1, 2],\n    [4, 5],\n    [7, 8]\n]");
bt('a=[a[1],b[4],c[d[7]]]', "a = [a[1], b[4], c[d[7]]]");
bt('[1,2,[3,4,[5,6],7],8]', "[1, 2, [3, 4, [5, 6], 7], 8]");

bt('[[["1","2"],["3","4"]],[["5","6","7"],["8","9","0"]],[["1","2","3"],["4","5","6","7"],["8","9","0"]]]',
    '['."\n".'    ['."\n".'        ["1", "2"],'."\n".'        ["3", "4"]'."\n".'    ],'."\n".'    ['."\n".'        ["5", "6", "7"],'."\n".'        ["8", "9", "0"]'."\n".'    ],'."\n".'    ['."\n".'        ["1", "2", "3"],'."\n".'        ["4", "5", "6", "7"],'."\n".'        ["8", "9", "0"]'."\n".'    ]'."\n".']');

bt('{[x()[0]];indent;}', '{'."\n".'    [x()[0]];'."\n".'    indent;'."\n".'}');

bt('return ++i', 'return ++i');
bt('return !!x', 'return !!x');
bt('return !x', 'return !x');
bt('return [1,2]', 'return [1, 2]');
bt('return;', 'return;');
bt('return'."\n".'func', 'return'."\n".'func');
bt('catch(e)', 'catch (e)');

bt('var a=1,b={foo:2,bar:3},c=4;', 'var a = 1,'."\n".'    b = {'."\n".'        foo: 2,'."\n".'        bar: 3'."\n".'    },'."\n".'    c = 4;');

// inline comment
bt('function x(/*int*/ start, /*string*/ foo)', 'function x( /*int*/ start, /*string*/ foo)');

// javadoc comment
bt('/**'."\n".'* foo'."\n".'*/', '/**'."\n".' * foo'."\n".' */');
bt('{'."\n".'/**'."\n".'* foo'."\n".'*/'."\n".'}', '{'."\n".'    /**'."\n".'     * foo'."\n".'     */'."\n".'}');

bt('var a,b,c=1,d,e,f=2;', 'var a, b, c = 1,'."\n".'    d, e, f = 2;');
bt('var a,b,c=[],d,e,f=2;', 'var a, b, c = [],'."\n".'    d, e, f = 2;');

bt('do/regexp/;'."\n".'while(1);', 'do /regexp/;'."\n".'while (1);'); // hmmm

bt('var a = a,'."\n".'a;'."\n".'b = {'."\n".'b'."\n".'}', 'var a = a,'."\n".'    a;'."\n".'b = {'."\n".'    b'."\n".'}');

bt('var a = a,'."\n".'    /* c */'."\n".'    b;');
bt('var a = a,'."\n".'    // c'."\n".'    b;');

bt('foo.("bar");'); // weird element referencing


bt('if (a) a()'."\n".'else b()'."\n".'newline()');
bt('if (a) a()'."\n".'newline()');
bt('a=typeof(x)', 'a = typeof(x)');
bt('var a = function() {'."\n".'        return null;'."\n".'    },'."\n".'    b = false;');

bt('var a = function() {'."\n".'        func1()'."\n".'    }');
bt('var a = function() {'."\n".'        func1()'."\n".'    }'."\n".'var b = function() {'."\n".'        func2()'."\n".'    }');


$opts->jslint_happy = true; 

bt('a=typeof(x)', 'a = typeof (x)');
bt('x();'."\n".''."\n".'function(){}', 'x();'."\n".''."\n".'function () {}');
bt('function () {'."\n".'    var a, b, c, d, e = [],'."\n".'        f;'."\n".'}');
test_fragment("// comment 1\n(function()", "// comment 1\n(function ()"); // typical greasemonkey start
bt("var a1, b1, c1, d1 = 0, c = function() {}, d = '';", "var a1, b1, c1, d1 = 0,\n    c = function () {},\n    d = '';");
bt('var o1=$.extend(a);function(){alert(x);}', 'var o1 = $.extend(a);'."\n".''."\n".'function () {'."\n".'    alert(x);'."\n".'}');

$opts->jslint_happy = false;

test_fragment("// comment 2\n(function()", "// comment 2\n(function()"); // typical greasemonkey start
bt("var a2, b2, c2, d2 = 0, c = function() {}, d = '';", "var a2, b2, c2, d2 = 0,\n    c = function() {},\n    d = '';");
bt('var o2=$.extend(a);function(){alert(x);}', 'var o2 = $.extend(a);'."\n".''."\n".'function() {'."\n".'    alert(x);'."\n".'}');

bt('{"x":[{"a":1,"b":3},7,8,8,8,8,{"b":99},{"a":11}]}', '{'."\n".'    "x": [{'."\n".'        "a": 1,'."\n".'        "b": 3'."\n".'    },'."\n".'    7, 8, 8, 8, 8,'."\n".'    {'."\n".'        "b": 99'."\n".'    }, {'."\n".'        "a": 11'."\n".'    }]'."\n".'}');

bt('{"1":{"1a":"1b"},"2"}', '{'."\n".'    "1": {'."\n".'        "1a": "1b"'."\n".'    },'."\n".'    "2"'."\n".'}');
bt('{a:{a:b},c}', '{'."\n".'    a: {'."\n".'        a: b'."\n".'    },'."\n".'    c'."\n".'}');

bt('{[y[a]];keep_indent;}', '{'."\n".'    [y[a]];'."\n".'    keep_indent;'."\n".'}');

bt('if (x) {y} else { if (x) {y}}', 'if (x) {'."\n".'    y'."\n".'} else {'."\n".'    if (x) {'."\n".'        y'."\n".'    }'."\n".'}');

bt('if (foo) one()'."\n".'two()'."\n".'three()');
bt('if (1 + foo() && bar(baz()) / 2) one()'."\n".'two()'."\n".'three()');
bt('if (1 + foo() && bar(baz()) / 2) one();'."\n".'two();'."\n".'three();');

$opts->indent_size = 1;
$opts->indent_char = ' ';
bt('{ one_char() }', "{\n one_char()\n}");

bt('var a,b=1,c=2', 'var a, b = 1,'."\n".' c = 2');

$opts->indent_size = 4;
$opts->indent_char = ' ';
bt('{ one_char() }', "{\n    one_char()\n}");

$opts->indent_size = 1;
$opts->indent_char = "\t";
bt('{ one_char() }', "{\n\tone_char()\n}");
bt('x = a ? b : c; x;', 'x = a ? b : c;'."\n".'x;');

$opts->indent_size = 4;
$opts->indent_char = ' ';

$opts->preserve_newlines = false;
bt('var'."\n".'a=dont_preserve_newlines;', 'var a = dont_preserve_newlines;');

// make sure the blank line between function definitions stays
// even when preserve_newlines = false
bt('function foo() {'."\n".'    return 1;'."\n".'}'."\n\n".'function foo() {'."\n".'    return 1;'."\n".'}');
bt('function foo() {'."\n".'    return 1;'."\n".'}'."\n".'function foo() {'."\n".'    return 1;'."\n".'}',
   'function foo() {'."\n".'    return 1;'."\n".'}'."\n\n".'function foo() {'."\n".'    return 1;'."\n".'}'
  );
bt('function foo() {'."\n".'    return 1;'."\n".'}'."\n\n\n".'function foo() {'."\n".'    return 1;'."\n".'}',
   'function foo() {'."\n".'    return 1;'."\n".'}'."\n\n".'function foo() {'."\n".'    return 1;'."\n".'}'
  );


$opts->preserve_newlines = true;
bt('var'."\n".'a=do_preserve_newlines;', 'var'."\n".'a = do_preserve_newlines;');

$opts->keep_array_indentation = true;

// do not like keep_array_indentation at all
test_fragment('var a = ['."\n".'// comment:'."\n".'{'."\n".' foo:bar'."\n".'}'."\n".'];', 'var a = ['."\n".'    // comment:'."\n".'    {'."\n".'    foo: bar'."\n".'}'."\n".'];');

bt('var x = [{}'."\n".']', 'var x = [{}'."\n".']');
bt('var x = [{foo:bar}'."\n".']', 'var x = [{'."\n".'    foo: bar'."\n".'}'."\n".']');
bt("a = ['something',\n'completely',\n'different'];\nif (x);", "a = ['something',\n    'completely',\n    'different'];\nif (x);");
bt("a = ['a','b','c']", "a = ['a', 'b', 'c']");
bt("a = ['a',   'b','c']", "a = ['a', 'b', 'c']");

bt("x = [{'a':0}]", "x = [{\n    'a': 0\n}]");

bt('{a([[a1]], {b;});}', '{'."\n".'    a([[a1]], {'."\n".'        b;'."\n".'    });'."\n".'}');

bt('a = //comment'."\n".'/regex/;');

test_fragment('/*'."\n".' * X'."\n".' */');
test_fragment('/*'."\r\n".' * X'."\r\n".' */', '/*'."\n".' * X'."\n".' */');

bt("if (a)\n{\nb;\n}\nelse\n{\nc;\n}", "if (a) {\n    b;\n} else {\n    c;\n}");


$opts->brace_style = 'expand';

bt('var a=1,b={foo:2,bar:3},c=4;', 'var a = 1,'."\n".'    b = {'."\n".'        foo: 2,'."\n".'        bar: 3'."\n".'    },'."\n".'    c = 4;');
bt('if (a)'."\n".'{'."\n".'b;'."\n".'}'."\n".'else'."\n".'{'."\n".'c;'."\n".'}', 'if (a)'."\n".'{'."\n".'    b;'."\n".'}'."\n".'else'."\n".'{'."\n".'    c;'."\n".'}');
test_fragment('if (foo) {', 'if (foo)'."\n".'{');
test_fragment('foo {', 'foo'."\n".'{');
test_fragment('return {', 'return {'); // return needs the brace. maybe something else as well: feel free to report.
// test_fragment('return\n{', 'return\n{'); // can't support this?, but that's an improbable and extreme case anyway.
test_fragment('return;'."\n".'{', 'return;'."\n".'{');

bt('if (a)'."\n".'{'."\n".'b;'."\n".'}'."\n".'else'."\n".'{'."\n".'c;'."\n".'}', 'if (a)'."\n".'{'."\n".'    b;'."\n".'}'."\n".'else'."\n".'{'."\n".'    c;'."\n".'}');
bt('var foo = {}');
bt('if (a)'."\n".'{'."\n".'b;'."\n".'}'."\n".'else'."\n".'{'."\n".'c;'."\n".'}', 'if (a)'."\n".'{'."\n".'    b;'."\n".'}'."\n".'else'."\n".'{'."\n".'    c;'."\n".'}');
test_fragment('if (foo) {', 'if (foo)'."\n".'{');
test_fragment('foo {', 'foo'."\n".'{');
test_fragment('return {', 'return {'); // return needs the brace. maybe something else as well: feel free to report.
// test_fragment('return\n{', 'return\n{'); // can't support this?, but that's an improbable and extreme case anyway.
test_fragment('return;'."\n".'{', 'return;'."\n".'{');


$opts->brace_style = 'collapse';

bt('if (a)'."\n".'{'."\n".'b;'."\n".'}'."\n".'else'."\n".'{'."\n".'c;'."\n".'}', 'if (a) {'."\n".'    b;'."\n".'} else {'."\n".'    c;'."\n".'}');
test_fragment('if (foo) {', 'if (foo) {');
test_fragment('foo {', 'foo {');
test_fragment('return {', 'return {'); // return needs the brace. maybe something else as well: feel free to report.
// test_fragment('return\n{', 'return\n{'); // can't support this?, but that's an improbable and extreme case anyway.
test_fragment('return;'."\n".'{', 'return; {');

bt('if (foo) bar();'."\n".'else break');
bt('function x() {'."\n".'    foo();'."\n".'}zzz', 'function x() {'."\n".'    foo();'."\n".'}'."\n".'zzz');
bt('a: do {} while (); xxx', 'a: do {} while ();'."\n".'xxx');

bt('var a = new function();');
test_fragment('new function');
bt('var a ='."\n".'foo', 'var a = foo');

$opts->brace_style = "end-expand";

bt('if(1){2}else{3}', "if (1) {\n    2\n}\nelse {\n    3\n}");
bt('try{a();}catch(b){c();}finally{d();}', "try {\n    a();\n}\ncatch (b) {\n    c();\n}\nfinally {\n    d();\n}");
bt('if(a){b();}else if(c) foo();', "if (a) {\n    b();\n}\nelse if (c) foo();");
bt("if (a) {\n// comment\n}else{\n// comment\n}", "if (a) {\n    // comment\n}\nelse {\n    // comment\n}"); // if/else statement with empty body
bt('if (x) {y} else { if (x) {y}}', 'if (x) {'."\n".'    y'."\n".'}'."\n".'else {'."\n".'    if (x) {'."\n".'        y'."\n".'    }'."\n".'}');
bt('if (a)'."\n".'{'."\n".'b;'."\n".'}'."\n".'else'."\n".'{'."\n".'c;'."\n".'}', 'if (a) {'."\n".'    b;'."\n".'}'."\n".'else {'."\n".'    c;'."\n".'}');

test_fragment('    /*'."\n".'* xx'."\n".'*/'."\n".'// xx'."\n".'if (foo) {'."\n".'    bar();'."\n".'}', '    /*'."\n".'     * xx'."\n".'     */'."\n".'    // xx'."\n".'    if (foo) {'."\n".'        bar();'."\n".'    }');

bt('a = <?= external() ?> ;'); // not the most perfect thing in the world, but you're the weirdo beaufifying php mix-ins with javascript beautifier
bt('a = <%= external() %> ;');