From a73aa7eec1800287e4656f0868deab3bef60e90a Mon Sep 17 00:00:00 2001
From: Nikita Popov <nikita.ppv@googlemail.com>
Date: Sat, 20 Feb 2016 18:55:48 +0100
Subject: [PATCH] Pretty printer test coverage

Our output for yield / yield from is currently not very nice, but
also not easy to change.
---
 test/code/prettyPrinter/expr/intrinsics.test  | 29 ++++++++++++
 test/code/prettyPrinter/expr/literals.test    | 11 +++++
 test/code/prettyPrinter/expr/yield.test       | 44 +++++++++++++++++++
 test/code/prettyPrinter/onlyPHP.file-test     |  7 ++-
 test/code/prettyPrinter/stmt/class.test       | 17 ++++++-
 test/code/prettyPrinter/stmt/const.test       | 11 +++++
 .../stmt/global_static_variables.test         | 11 +++++
 7 files changed, 127 insertions(+), 3 deletions(-)
 create mode 100644 test/code/prettyPrinter/expr/intrinsics.test
 create mode 100644 test/code/prettyPrinter/expr/yield.test
 create mode 100644 test/code/prettyPrinter/stmt/const.test
 create mode 100644 test/code/prettyPrinter/stmt/global_static_variables.test

diff --git a/test/code/prettyPrinter/expr/intrinsics.test b/test/code/prettyPrinter/expr/intrinsics.test
new file mode 100644
index 0000000..28adaec
--- /dev/null
+++ b/test/code/prettyPrinter/expr/intrinsics.test
@@ -0,0 +1,29 @@
+isset, empty, unset, exit, die, clone, eval
+-----
+<?php
+
+isset($a, $a[$b]);
+empty($a);
+empty('foo');
+unset($a, $a[$b]);
+exit;
+exit();
+exit(1);
+die;
+die();
+die("foo");
+clone $foo;
+eval('str');
+-----
+isset($a, $a[$b]);
+empty($a);
+empty('foo');
+unset($a, $a[$b]);
+die;
+die;
+die(1);
+die;
+die;
+die('foo');
+clone $foo;
+eval('str');
\ No newline at end of file
diff --git a/test/code/prettyPrinter/expr/literals.test b/test/code/prettyPrinter/expr/literals.test
index 7ba53db..d3cbe55 100644
--- a/test/code/prettyPrinter/expr/literals.test
+++ b/test/code/prettyPrinter/expr/literals.test
@@ -81,6 +81,12 @@ b';
     'a
     b';
 }
+
+// shell exec (similar to double quoted string)
+`foo`;
+`foo$a`;
+`foo{$a}bar`;
+`\`\'\"`;
 -----
 // magic constants
 __LINE__;
@@ -153,3 +159,8 @@ b';
     'a
     b';
 }
+// shell exec (similar to double quoted string)
+`foo`;
+`foo{$a}`;
+`foo{$a}bar`;
+`\`\\'\\"`;
\ No newline at end of file
diff --git a/test/code/prettyPrinter/expr/yield.test b/test/code/prettyPrinter/expr/yield.test
new file mode 100644
index 0000000..ba03bad
--- /dev/null
+++ b/test/code/prettyPrinter/expr/yield.test
@@ -0,0 +1,44 @@
+Yield
+-----
+<?php
+
+function gen()
+{
+    yield;
+    yield $a;
+    yield $a => $b;
+    $a = yield;
+    $a = (yield $b);
+    $a = (yield $b => $c);
+}
+// TODO Get rid of parens for cases 2 and 3
+-----
+function gen()
+{
+    yield;
+    (yield $a);
+    (yield $a => $b);
+    $a = yield;
+    $a = (yield $b);
+    $a = (yield $b => $c);
+}
+-----
+<?php
+
+function gen()
+{
+    $a = yield $b;
+    $a = yield $b => $c;
+    yield from $a;
+    $a = yield from $b;
+}
+// TODO Get rid of parens for last case
+-----
+!!php7
+function gen()
+{
+    $a = (yield $b);
+    $a = (yield $b => $c);
+    yield from $a;
+    $a = (yield from $b);
+}
\ No newline at end of file
diff --git a/test/code/prettyPrinter/onlyPHP.file-test b/test/code/prettyPrinter/onlyPHP.file-test
index 6b7ec49..32d1862 100644
--- a/test/code/prettyPrinter/onlyPHP.file-test
+++ b/test/code/prettyPrinter/onlyPHP.file-test
@@ -8,4 +8,9 @@ echo 'Bar Foo';
 <?php
 
 echo 'Foo Bar';
-echo 'Bar Foo';
\ No newline at end of file
+echo 'Bar Foo';
+-----
+<?php
+// avoid trim
+-----
+<?php
\ No newline at end of file
diff --git a/test/code/prettyPrinter/stmt/class.test b/test/code/prettyPrinter/stmt/class.test
index a50799f..5225d2a 100644
--- a/test/code/prettyPrinter/stmt/class.test
+++ b/test/code/prettyPrinter/stmt/class.test
@@ -2,7 +2,7 @@ Class
 -----
 <?php
 
-class Foo
+class Foo extends Bar implements ABC, \DEF, namespace\GHI
 {
     var $a = 'foo';
     private $b = 'bar';
@@ -17,8 +17,15 @@ class Foo
     public function foo() {}
     abstract static function bar() {}
 }
+
+trait Bar
+{
+    function test()
+    {
+    }
+}
 -----
-class Foo
+class Foo extends Bar implements ABC, \DEF, namespace\GHI
 {
     var $a = 'foo';
     private $b = 'bar';
@@ -37,4 +44,10 @@ class Foo
     static abstract function bar()
     {
     }
+}
+trait Bar
+{
+    function test()
+    {
+    }
 }
\ No newline at end of file
diff --git a/test/code/prettyPrinter/stmt/const.test b/test/code/prettyPrinter/stmt/const.test
new file mode 100644
index 0000000..6b17642
--- /dev/null
+++ b/test/code/prettyPrinter/stmt/const.test
@@ -0,0 +1,11 @@
+Constant declarations
+-----
+<?php
+
+const FOO = 'BAR';
+const FOO = 1 + 1;
+const FOO = BAR, BAR = FOO;
+-----
+const FOO = 'BAR';
+const FOO = 1 + 1;
+const FOO = BAR, BAR = FOO;
\ No newline at end of file
diff --git a/test/code/prettyPrinter/stmt/global_static_variables.test b/test/code/prettyPrinter/stmt/global_static_variables.test
new file mode 100644
index 0000000..eea776a
--- /dev/null
+++ b/test/code/prettyPrinter/stmt/global_static_variables.test
@@ -0,0 +1,11 @@
+Global and static variables
+-----
+<?php
+
+global $a, $$a, ${$a[$a]};
+static $a, $b;
+static $a = 'foo', $b = 'bar';
+-----
+global $a, ${$a}, ${$a[$a]};
+static $a, $b;
+static $a = 'foo', $b = 'bar';
\ No newline at end of file