Add tests for calling with Traversable

Tests/Fixtures/filters/any.test

@@ -20,7 +20,7 @@ NO
 NO
 NO
 --DATA--
-return [ 'data' => [-1, -7, 13, 1, 5] ];
+return [ 'data' => new ArrayIterator([-1, -7, 13, 1, 5]) ];
 --EXPECT--
 YES
 NO

Tests/Fixtures/filters/count_by.test

@@ -18,6 +18,19 @@ foo: 3
 foobar: 1
 bar: 2
 --DATA--
+return [ 'data' => new ArrayIterator([
+    [ 'foo' => 'foo' ],
+    [ 'foo' => 'foo' ],
+    [ 'foo' => 'foobar' ],
+    [ 'foo' => 'bar' ],
+    [ 'foo' => 'bar' ],
+    [ 'foo' => 'foo' ],
+]) ];
+--EXPECT--
+foo: 3
+foobar: 1
+bar: 2
+--DATA--
 return [ 'data' => [
     [ 'foo' => null, 'bar' => 1 ],
     [ 'foo' => null, 'bar' => 2 ],

Tests/Fixtures/filters/count_by_key.test

@@ -17,4 +17,18 @@ return [ 'data' => [
 f: 2
 b: 2
 t: 1
+2: 1
+--DATA--
+return [ 'data' => new ArrayIterator([
+    'foo' => 1,
+    'bar' => null,
+    'foobar' => [1, 2],
+    'tetbar' => "abc",
+    'barbar' => 12,
+    2001 => 12,
+]) ];
+--EXPECT--
+f: 2
+b: 2
+t: 1
 2: 1

Tests/Fixtures/filters/every.test

@@ -20,7 +20,7 @@ NO
 YES
 YES
 --DATA--
-return [ 'data' => [-2, -8, 14, 2, 6] ];
+return [ 'data' => new ArrayIterator([-2, -8, 14, 2, 6]) ];
 --EXPECT--
 NO
 YES

Tests/Fixtures/filters/filter.test

@@ -13,7 +13,7 @@ return [ 'data' => [ 1, 2, 3, 4, 5, 6 ] ];
 3: 4
 5: 6
 --DATA--
-return [ 'data' => [ 1, 2, 3, 4, 5, 6 ] ];
+return [ 'data' => new ArrayIterator([ 1, 2, 3, 4, 5, 6 ]) ];
 --EXPECT--
 1: 2
 3: 4

Tests/Fixtures/filters/group_by.test

@@ -17,7 +17,7 @@ return [ 'data' => [ 'foo', 'bar', 'tet' ] ];
  = t
    * tet
 --DATA--
-return [ 'data' => [ 'foo', 'foobar', 'tet', 'bar', 'tetfoo' ] ];
+return [ 'data' => new ArrayIterator([ 'foo', 'foobar', 'tet', 'bar', 'tetfoo' ]) ];
 --EXPECT--
  = f
    * foo

Tests/Fixtures/filters/group_by_key.test

@@ -14,6 +14,21 @@ return [ 'data' => [
     'tet' => 3,
     'foobar' => 4,
 ] ];
+--EXPECT--
+ = f
+   * 1
+   * 4
+ = b
+   * 2
+ = t
+   * 3
+--DATA--
+return [ 'data' => new ArrayIterator([
+    'foo' => 1,
+    'bar' => 2,
+    'tet' => 3,
+    'foobar' => 4,
+]) ];
 --EXPECT--
  = f
    * 1

Tests/Fixtures/filters/map.test

@@ -16,6 +16,26 @@ return [ 'data' => [
     [ 'FOO' => 4, 'BAR' => 'd' ],
     [ 'FOO' => 5, 'BAR' => 'e' ],
 ] ];
+--EXPECT--
+ * 2
+ * 3
+ * 4
+ * 5
+ * 6
+====
+ * a
+ * b
+ * c
+ * d
+ * e
+--DATA--
+return [ 'data' => new \ArrayIterator([
+    [ 'FOO' => 1, 'BAR' => 'a' ],
+    [ 'FOO' => 2, 'BAR' => 'b' ],
+    [ 'FOO' => 3, 'BAR' => 'c' ],
+    [ 'FOO' => 4, 'BAR' => 'd' ],
+    [ 'FOO' => 5, 'BAR' => 'e' ],
+]) ];
 --EXPECT--
  * 2
  * 3

Tests/Fixtures/filters/map_key.test

@@ -11,6 +11,18 @@ return [ 'data' => [
     12 => 'c',
     'am' => 4,
 ] ];
+--EXPECT--
+ * ab
+ * cdef
+ * 12c
+ * am4
+--DATA--
+return [ 'data' => new ArrayIterator([
+    'a' => 'b',
+    'cd' => 'ef',
+    12 => 'c',
+    'am' => 4,
+]) ];
 --EXPECT--
  * ab
  * cdef

Tests/Fixtures/filters/sort_by.test

@@ -27,6 +27,20 @@ return [ 'data' => [
     [ 'foo' => 'd', 'bar' => -1 ],
     [ 'foo' => 'e', 'bar' => 20 ],
 ] ];
+--EXPECT--
+ * b
+ * d
+ * a
+ * c
+ * e
+--DATA--
+return [ 'data' => new ArrayIterator([
+    [ 'foo' => 'a', 'bar' => 20 ],
+    [ 'foo' => 'b', 'bar' => -1 ],
+    [ 'foo' => 'c', 'bar' => 20 ],
+    [ 'foo' => 'd', 'bar' => -1 ],
+    [ 'foo' => 'e', 'bar' => 20 ],
+]) ];
 --EXPECT--
  * b
  * d

Tests/Fixtures/filters/sort_by_key.test

@@ -17,4 +17,18 @@ e: 3
 d: 2
 c: 5
 b: 1
+a: 4
+--DATA--
+return [ 'data' => new ArrayIterator([
+    'b' => 1,
+    'd' => 2,
+    'e' => 3,
+    'a' => 4,
+    'c' => 5,
+]) ];
+--EXPECT--
+e: 3
+d: 2
+c: 5
+b: 1
 a: 4

Tests/Fixtures/filters/unique.test

@@ -19,6 +19,12 @@ return [ 'data' => [1, 2, 1, 3] ];
  * 2
  * 3
 --DATA--
+return [ 'data' => new ArrayIterator([1, 3, 1, 2, 3]) ];
+--EXPECT--
+ * 1
+ * 3
+ * 2
+--DATA--
 return [ 'data' => ['foo', 'bar', 'foo'] ]
 --EXPECT--
  * foo