added some tests

test/Twig/Tests/Fixtures/expressions/array.test

@@ -37,8 +37,11 @@ Twig supports array notation
 {% set ary = { (a): 'a', (b): 'b', 'c': 'c', (a ~ b): 'd' } %}
 {{ ary|keys|join(',') }}
 {{ ary|join(',') }}
+
+{# ArrayAccess #}
+{{ array_access['a'] }}
 --DATA--
-return array('bar' => 'bar', 'foo' => array('bar' => 'bar'))
+return array('bar' => 'bar', 'foo' => array('bar' => 'bar'), 'array_access' => new ArrayObject(array('a' =>  'b')))
 --EXPECT--
 1,2
 foo,bar
@@ -59,3 +62,5 @@ FOO,BAR,
 
 1,foo,c,1foo
 a,b,c,d
+
+b

test/Twig/Tests/Fixtures/expressions/array_non_strict.test

@@ -0,0 +1,68 @@
+--TEST--
+Twig supports array notation
+--TEMPLATE--
+{# empty array #}
+{{ []|join(',') }}
+
+{{ [1, 2]|join(',') }}
+{{ ['foo', "bar"]|join(',') }}
+{{ {0: 1, 'foo': 'bar'}|join(',') }}
+{{ {0: 1, 'foo': 'bar'}|keys|join(',') }}
+
+{{ {0: 1, foo: 'bar'}|join(',') }}
+{{ {0: 1, foo: 'bar'}|keys|join(',') }}
+
+{# nested arrays #}
+{% set a = [1, 2, [1, 2], {'foo': {'foo': 'bar'}}] %}
+{{ a[2]|join(',') }}
+{{ a[3]["foo"]|join(',') }}
+
+{# works even if [] is used inside the array #}
+{{ [foo[bar]]|join(',') }}
+
+{# elements can be any expression #}
+{{ ['foo'|upper, bar|upper, bar == foo]|join(',') }}
+
+{# arrays can have a trailing , like in PHP #}
+{{
+  [
+    1,
+    2,
+  ]|join(',')
+}}
+
+{# keys can be any expression #}
+{% set a = 1 %}
+{% set b = "foo" %}
+{% set ary = { (a): 'a', (b): 'b', 'c': 'c', (a ~ b): 'd' } %}
+{{ ary|keys|join(',') }}
+{{ ary|join(',') }}
+
+{# ArrayAccess #}
+{{ array_access['a'] }}
+--DATA--
+return array('bar' => 'bar', 'foo' => array('bar' => 'bar'), 'array_access' => new ArrayObject(array('a' =>  'b')))
+--CONFIG--
+return array('strict_variables' => false)
+--EXPECT--
+1,2
+foo,bar
+1,bar
+0,foo
+
+1,bar
+0,foo
+
+1,2
+bar
+
+bar
+
+FOO,BAR,
+
+1,2
+
+1,foo,c,1foo
+a,b,c,d
+
+b