Move tests to subfolder and import unique tests from HHVM

Author: sgolemon

Zend/tests/pipe-001.phpt renamed to Zend/tests/pipe-op/pipe-001.phpt

@@ -0,0 +1,39 @@
+--TEST--
+Pipe Operator Nested expressions
+--FILE--
+<?php
+
+// Imported from HackLang test: pipevar-3.php
+function main($bar) {
+  $foo = "Hello!";
+  array(1, 2, 3)
+    |> array_map(function($x) { return $x + 1; }, $$)
+    |> array_merge(
+      array(50, 60, 70)
+        |> array_map(function ($x) { return $x * 2; }, $$)
+        |> array_filter($$, function ($x) { return $x != 100; }),
+      $$)
+    |> var_dump($$);
+
+  var_dump($foo);
+  var_dump($bar);
+}
+
+main("Goodbye");
+
+--EXPECT--
+array(5) {
+  [0]=>
+  int(120)
+  [1]=>
+  int(140)
+  [2]=>
+  int(2)
+  [3]=>
+  int(3)
+  [4]=>
+  int(4)
+}
+string(6) "Hello!"
+string(7) "Goodbye"
+

Zend/tests/pipe-002.phpt renamed to Zend/tests/pipe-op/pipe-002.phpt

@@ -0,0 +1,90 @@
+--TEST--
+Pipe Operator Operation Ordering
+--FILE--
+<?php
+
+// Imported from HackLang test: pipevar-4.php
+
+class Wrapper {
+  public $val;
+  public function __construct(array $val) {
+    $this->val = $val;
+    var_dump("Make wrapper");
+  }
+  public function __destruct() {
+    var_dump("Destroy wrapper");
+  }
+}
+
+function beep($x) {
+  if ($x instanceof Wrapper) {
+    var_dump("beep: <Wrapper>");
+  } else if (is_array($x)) {
+    var_dump("beep: <array>");
+  } else {
+    var_dump("beep: ".$x);
+  }
+  return $x;
+}
+function wrap($x) {
+  return new Wrapper($x);
+}
+function unwrap($y) {
+  return $y->val;
+}
+
+function main($bar) {
+  $foo = "Hello!";
+  $out = array(1, 2, 3)
+    |> array_map(function ($x) { return $x + beep(1); }, $$)
+    |> array_merge(
+      array(50, 60, 70)
+        |> array_map(function ($x) { return $x * beep(2); }, $$)
+        |> array_filter($$, function ($x) { return $x != beep(100); }),
+      $$)
+    |> array_filter($$, function ($x) { return $x != beep(3); })
+    |> wrap($$)
+    |> beep($$)
+    |> unwrap($$)
+    |> beep($$)
+    |> array_map(function ($x) { return "STR: $x"; }, $$);
+
+  var_dump($foo);
+  var_dump($out);
+  var_dump($bar);
+}
+
+main("Goodbye");
+
+--EXPECT--
+string(7) "beep: 1"
+string(7) "beep: 1"
+string(7) "beep: 1"
+string(7) "beep: 2"
+string(7) "beep: 2"
+string(7) "beep: 2"
+string(9) "beep: 100"
+string(9) "beep: 100"
+string(9) "beep: 100"
+string(7) "beep: 3"
+string(7) "beep: 3"
+string(7) "beep: 3"
+string(7) "beep: 3"
+string(7) "beep: 3"
+string(12) "Make wrapper"
+string(15) "beep: <Wrapper>"
+string(15) "Destroy wrapper"
+string(13) "beep: <array>"
+string(6) "Hello!"
+array(4) {
+  [0]=>
+  string(8) "STR: 120"
+  [1]=>
+  string(8) "STR: 140"
+  [2]=>
+  string(6) "STR: 2"
+  [4]=>
+  string(6) "STR: 4"
+}
+string(7) "Goodbye"
+