Fix OS X stdout, stdin, and stderr.

To prevent unintended macro expansion, don't use the name
stdout/stdin/stderr in the native System object. Those properties are
achieved by shadowing it in the module interface (JavaScript side).

https://github.com/ariya/phantomjs/issues/12496

src/modules/system.js

@@ -4,3 +4,27 @@
  */
 
 exports.platform = 'phantomjs';
+
+Object.defineProperty(exports, 'stdout', {
+    enumerable: true,
+    writeable: false,
+    get: function() {
+        return exports.standardout;
+    }
+});
+
+Object.defineProperty(exports, 'stdin', {
+    enumerable: true,
+    writeable: false,
+    get: function() {
+        return exports.standardin;
+    }
+});
+
+Object.defineProperty(exports, 'stderr', {
+    enumerable: true,
+    writeable: false,
+    get: function() {
+        return exports.standarderr;
+    }
+});

src/system.h

@@ -49,9 +49,9 @@ class System : public QObject
     Q_PROPERTY(QVariant env READ env)
     Q_PROPERTY(QVariant os READ os)
     Q_PROPERTY(bool isSSLSupported READ isSSLSupported)
-    Q_PROPERTY(QObject *stdout READ _stdout)
-    Q_PROPERTY(QObject *stderr READ _stderr)
-    Q_PROPERTY(QObject *stdin READ _stdin)
+    Q_PROPERTY(QObject *standardout READ _stdout)
+    Q_PROPERTY(QObject *standarderr READ _stderr)
+    Q_PROPERTY(QObject *standardin READ _stdin)
 
 public:
     explicit System(QObject *parent = 0);

test/module/system/stderr.js

@@ -0,0 +1,8 @@
+var assert = require('../../assert');
+var system = require('system');
+
+assert.typeOf(system.stderr, 'object');
+assert.typeOf(system.stderr.write, 'function');
+assert.typeOf(system.stderr.writeLine, 'function');
+assert.typeOf(system.stderr.flush, 'function');
+assert.typeOf(system.stderr.close, 'function');

test/module/system/stdin.js

@@ -0,0 +1,7 @@
+var assert = require('../../assert');
+var system = require('system');
+
+assert.typeOf(system.stdin, 'object');
+assert.typeOf(system.stdin.read, 'function');
+assert.typeOf(system.stdin.readLine, 'function');
+assert.typeOf(system.stdin.close, 'function');

test/module/system/stdout.js

@@ -0,0 +1,8 @@
+var assert = require('../../assert');
+var system = require('system');
+
+assert.typeOf(system.stdout, 'object');
+assert.typeOf(system.stdout.write, 'function');
+assert.typeOf(system.stdout.writeLine, 'function');
+assert.typeOf(system.stdout.flush, 'function');
+assert.typeOf(system.stdout.close, 'function');