From f6d65e533c62f6deb21342d4901ece24497b433e Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Thu, 4 Jun 2015 07:31:04 +0200
Subject: Update to MediaWiki 1.25.1

---
 .../includes/api/format/ApiFormatDbgTest.php       |  55 ++++++++
 .../includes/api/format/ApiFormatDumpTest.php      |  63 ++++++++++
 .../includes/api/format/ApiFormatJsonTest.php      | 106 ++++++++++++++--
 .../includes/api/format/ApiFormatNoneTest.php      |  38 +++++-
 .../includes/api/format/ApiFormatPhpTest.php       | 139 ++++++++++++++++++++-
 .../includes/api/format/ApiFormatTestBase.php      |  70 ++++++++---
 .../includes/api/format/ApiFormatTxtTest.php       |  55 ++++++++
 .../includes/api/format/ApiFormatWddxTest.php      |  74 +++++++++--
 .../includes/api/format/ApiFormatXmlTest.php       | 119 ++++++++++++++++++
 9 files changed, 673 insertions(+), 46 deletions(-)
 create mode 100644 tests/phpunit/includes/api/format/ApiFormatDbgTest.php
 create mode 100644 tests/phpunit/includes/api/format/ApiFormatDumpTest.php
 create mode 100644 tests/phpunit/includes/api/format/ApiFormatTxtTest.php
 create mode 100644 tests/phpunit/includes/api/format/ApiFormatXmlTest.php

(limited to 'tests/phpunit/includes/api/format')

diff --git a/tests/phpunit/includes/api/format/ApiFormatDbgTest.php b/tests/phpunit/includes/api/format/ApiFormatDbgTest.php
new file mode 100644
index 00000000..3fcfc73f
--- /dev/null
+++ b/tests/phpunit/includes/api/format/ApiFormatDbgTest.php
@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * @group API
+ * @covers ApiFormatDbg
+ */
+class ApiFormatDbgTest extends ApiFormatTestBase {
+
+	protected $printerName = 'dbg';
+
+	public static function provideGeneralEncoding() {
+		$warning = "\n  'warnings' => \n  array (\n    'dbg' => \n    array (\n" .
+			"      '*' => 'format=dbg has been deprecated. Please use format=json instead.',\n" .
+			"    ),\n  ),";
+
+		return array(
+			// Basic types
+			array( array( null ), "array ({$warning}\n  0 => NULL,\n)" ),
+			array( array( true ), "array ({$warning}\n  0 => '',\n)" ),
+			array( array( false ), "array ({$warning}\n)" ),
+			array( array( true, ApiResult::META_BC_BOOLS => array( 0 ) ),
+				"array ({$warning}\n  0 => true,\n)" ),
+			array( array( false, ApiResult::META_BC_BOOLS => array( 0 ) ),
+				"array ({$warning}\n  0 => false,\n)" ),
+			array( array( 42 ), "array ({$warning}\n  0 => 42,\n)" ),
+			array( array( 42.5 ), "array ({$warning}\n  0 => 42.5,\n)" ),
+			array( array( 1e42 ), "array ({$warning}\n  0 => 1.0E+42,\n)" ),
+			array( array( 'foo' ), "array ({$warning}\n  0 => 'foo',\n)" ),
+			array( array( 'fóo' ), "array ({$warning}\n  0 => 'fóo',\n)" ),
+
+			// Arrays and objects
+			array( array( array() ), "array ({$warning}\n  0 => \n  array (\n  ),\n)" ),
+			array( array( array( 1 ) ), "array ({$warning}\n  0 => \n  array (\n    0 => 1,\n  ),\n)" ),
+			array( array( array( 'x' => 1 ) ), "array ({$warning}\n  0 => \n  array (\n    'x' => 1,\n  ),\n)" ),
+			array( array( array( 2 => 1 ) ), "array ({$warning}\n  0 => \n  array (\n    2 => 1,\n  ),\n)" ),
+			array( array( (object)array() ), "array ({$warning}\n  0 => \n  array (\n  ),\n)" ),
+			array( array( array( 1, ApiResult::META_TYPE => 'assoc' ) ), "array ({$warning}\n  0 => \n  array (\n    0 => 1,\n  ),\n)" ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'array' ) ), "array ({$warning}\n  0 => \n  array (\n    0 => 1,\n  ),\n)" ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'kvp' ) ), "array ({$warning}\n  0 => \n  array (\n    'x' => 1,\n  ),\n)" ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCkvp', ApiResult::META_KVP_KEY_NAME => 'key' ) ),
+				"array ({$warning}\n  0 => \n  array (\n    0 => \n    array (\n      'key' => 'x',\n      '*' => 1,\n    ),\n  ),\n)" ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCarray' ) ), "array ({$warning}\n  0 => \n  array (\n    'x' => 1,\n  ),\n)" ),
+			array( array( array( 'a', 'b', ApiResult::META_TYPE => 'BCassoc' ) ), "array ({$warning}\n  0 => \n  array (\n    0 => 'a',\n    1 => 'b',\n  ),\n)" ),
+
+			// Content
+			array( array( 'content' => 'foo', ApiResult::META_CONTENT => 'content' ),
+				"array ({$warning}\n  '*' => 'foo',\n)" ),
+
+			// BC Subelements
+			array( array( 'foo' => 'foo', ApiResult::META_BC_SUBELEMENTS => array( 'foo' ) ),
+				"array ({$warning}\n  'foo' => \n  array (\n    '*' => 'foo',\n  ),\n)" ),
+		);
+	}
+
+}
diff --git a/tests/phpunit/includes/api/format/ApiFormatDumpTest.php b/tests/phpunit/includes/api/format/ApiFormatDumpTest.php
new file mode 100644
index 00000000..c0f67f8d
--- /dev/null
+++ b/tests/phpunit/includes/api/format/ApiFormatDumpTest.php
@@ -0,0 +1,63 @@
+<?php
+
+/**
+ * @group API
+ * @covers ApiFormatDump
+ */
+class ApiFormatDumpTest extends ApiFormatTestBase {
+
+	protected $printerName = 'dump';
+
+	public static function provideGeneralEncoding() {
+		// Sigh. Docs claim it's a boolean, but can have values 0, 1, or 2.
+		// Fortunately wfIniGetBool does the right thing.
+		if ( wfIniGetBool( 'xdebug.overload_var_dump' ) ) {
+			return array(
+				array( array(), 'Cannot test ApiFormatDump when xDebug overloads var_dump', array( 'SKIP' => true ) ),
+			);
+		}
+
+		$warning = "\n  [\"warnings\"]=>\n  array(1) {\n    [\"dump\"]=>\n    array(1) {\n      [\"*\"]=>\n" .
+			"      string(64) \"format=dump has been deprecated. Please use format=json instead.\"\n" .
+			"    }\n  }";
+
+		return array(
+			// Basic types
+			array( array( null ), "array(2) {{$warning}\n  [0]=>\n  NULL\n}\n" ),
+			array( array( true ), "array(2) {{$warning}\n  [0]=>\n  string(0) \"\"\n}\n" ),
+			array( array( false ), "array(1) {{$warning}\n}\n" ),
+			array( array( true, ApiResult::META_BC_BOOLS => array( 0 ) ),
+				"array(2) {{$warning}\n  [0]=>\n  bool(true)\n}\n" ),
+			array( array( false, ApiResult::META_BC_BOOLS => array( 0 ) ),
+				"array(2) {{$warning}\n  [0]=>\n  bool(false)\n}\n" ),
+			array( array( 42 ), "array(2) {{$warning}\n  [0]=>\n  int(42)\n}\n" ),
+			array( array( 42.5 ), "array(2) {{$warning}\n  [0]=>\n  float(42.5)\n}\n" ),
+			array( array( 1e42 ), "array(2) {{$warning}\n  [0]=>\n  float(1.0E+42)\n}\n" ),
+			array( array( 'foo' ), "array(2) {{$warning}\n  [0]=>\n  string(3) \"foo\"\n}\n" ),
+			array( array( 'fóo' ), "array(2) {{$warning}\n  [0]=>\n  string(4) \"fóo\"\n}\n" ),
+
+			// Arrays
+			array( array( array() ), "array(2) {{$warning}\n  [0]=>\n  array(0) {\n  }\n}\n" ),
+			array( array( array( 1 ) ), "array(2) {{$warning}\n  [0]=>\n  array(1) {\n    [0]=>\n    int(1)\n  }\n}\n" ),
+			array( array( array( 'x' => 1 ) ), "array(2) {{$warning}\n  [0]=>\n  array(1) {\n    [\"x\"]=>\n    int(1)\n  }\n}\n" ),
+			array( array( array( 2 => 1 ) ), "array(2) {{$warning}\n  [0]=>\n  array(1) {\n    [2]=>\n    int(1)\n  }\n}\n" ),
+			array( array( (object)array() ), "array(2) {{$warning}\n  [0]=>\n  array(0) {\n  }\n}\n" ),
+			array( array( array( 1, ApiResult::META_TYPE => 'assoc' ) ), "array(2) {{$warning}\n  [0]=>\n  array(1) {\n    [0]=>\n    int(1)\n  }\n}\n" ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'array' ) ), "array(2) {{$warning}\n  [0]=>\n  array(1) {\n    [0]=>\n    int(1)\n  }\n}\n" ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'kvp' ) ), "array(2) {{$warning}\n  [0]=>\n  array(1) {\n    [\"x\"]=>\n    int(1)\n  }\n}\n" ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCkvp', ApiResult::META_KVP_KEY_NAME => 'key' ) ),
+				"array(2) {{$warning}\n  [0]=>\n  array(1) {\n    [0]=>\n    array(2) {\n      [\"key\"]=>\n      string(1) \"x\"\n      [\"*\"]=>\n      int(1)\n    }\n  }\n}\n" ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCarray' ) ), "array(2) {{$warning}\n  [0]=>\n  array(1) {\n    [\"x\"]=>\n    int(1)\n  }\n}\n" ),
+			array( array( array( 'a', 'b', ApiResult::META_TYPE => 'BCassoc' ) ), "array(2) {{$warning}\n  [0]=>\n  array(2) {\n    [0]=>\n    string(1) \"a\"\n    [1]=>\n    string(1) \"b\"\n  }\n}\n" ),
+
+			// Content
+			array( array( 'content' => 'foo', ApiResult::META_CONTENT => 'content' ),
+				"array(2) {{$warning}\n  [\"*\"]=>\n  string(3) \"foo\"\n}\n" ),
+
+			// BC Subelements
+			array( array( 'foo' => 'foo', ApiResult::META_BC_SUBELEMENTS => array( 'foo' ) ),
+				"array(2) {{$warning}\n  [\"foo\"]=>\n  array(1) {\n    [\"*\"]=>\n    string(3) \"foo\"\n  }\n}\n" ),
+		);
+	}
+
+}
diff --git a/tests/phpunit/includes/api/format/ApiFormatJsonTest.php b/tests/phpunit/includes/api/format/ApiFormatJsonTest.php
index fc1f9021..3dfcaf0f 100644
--- a/tests/phpunit/includes/api/format/ApiFormatJsonTest.php
+++ b/tests/phpunit/includes/api/format/ApiFormatJsonTest.php
@@ -2,21 +2,109 @@
 
 /**
  * @group API
- * @group Database
- * @group medium
  * @covers ApiFormatJson
  */
 class ApiFormatJsonTest extends ApiFormatTestBase {
 
-	public function testValidSyntax( ) {
-		$data = $this->apiRequest( 'json', array( 'action' => 'query', 'meta' => 'siteinfo' ) );
+	protected $printerName = 'json';
 
-		$this->assertInternalType( 'array', json_decode( $data, true ) );
-		$this->assertGreaterThan( 0, count( (array)$data ) );
+	private static function addFormatVersion( $format, $arr ) {
+		foreach ( $arr as &$p ) {
+			if ( !isset( $p[2] ) ) {
+				$p[2] = array( 'formatversion' => $format );
+			} else {
+				$p[2]['formatversion'] = $format;
+			}
+		}
+		return $arr;
 	}
 
-	public function testJsonpInjection( ) {
-		$data = $this->apiRequest( 'json', array( 'action' => 'query', 'meta' => 'siteinfo', 'callback' => 'myCallback' ) );
-		$this->assertEquals( '/**/myCallback(', substr( $data, 0, 15 ) );
+	public static function provideGeneralEncoding() {
+		return array_merge(
+			self::addFormatVersion( 1, array(
+				// Basic types
+				array( array( null ), '[null]' ),
+				array( array( true ), '[""]' ),
+				array( array( false ), '[]' ),
+				array( array( true, ApiResult::META_BC_BOOLS => array( 0 ) ), '[true]' ),
+				array( array( false, ApiResult::META_BC_BOOLS => array( 0 ) ), '[false]' ),
+				array( array( 42 ), '[42]' ),
+				array( array( 42.5 ), '[42.5]' ),
+				array( array( 1e42 ), '[1.0e+42]' ),
+				array( array( 'foo' ), '["foo"]' ),
+				array( array( 'fóo' ), '["f\u00f3o"]' ),
+				array( array( 'fóo' ), '["fóo"]', array( 'utf8' => 1 ) ),
+
+				// Arrays and objects
+				array( array( array() ), '[[]]' ),
+				array( array( array( 1 ) ), '[[1]]' ),
+				array( array( array( 'x' => 1 ) ), '[{"x":1}]' ),
+				array( array( array( 2 => 1 ) ), '[{"2":1}]' ),
+				array( array( (object)array() ), '[{}]' ),
+				array( array( array( 1, ApiResult::META_TYPE => 'assoc' ) ), '[{"0":1}]' ),
+				array( array( array( 'x' => 1, ApiResult::META_TYPE => 'array' ) ), '[[1]]' ),
+				array( array( array( 'x' => 1, ApiResult::META_TYPE => 'kvp' ) ), '[{"x":1}]' ),
+				array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCkvp', ApiResult::META_KVP_KEY_NAME => 'key' ) ),
+					'[[{"key":"x","*":1}]]' ),
+				array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCarray' ) ), '[{"x":1}]' ),
+				array( array( array( 'a', 'b', ApiResult::META_TYPE => 'BCassoc' ) ), '[["a","b"]]' ),
+
+				// Content
+				array( array( 'content' => 'foo', ApiResult::META_CONTENT => 'content' ),
+					'{"*":"foo"}' ),
+
+				// BC Subelements
+				array( array( 'foo' => 'foo', ApiResult::META_BC_SUBELEMENTS => array( 'foo' ) ),
+					'{"foo":{"*":"foo"}}' ),
+
+				// Callbacks
+				array( array( 1 ), '/**/myCallback([1])', array( 'callback' => 'myCallback' ) ),
+
+				// Cross-domain mangling
+				array( array( '< Cross-Domain-Policy >' ), '["\u003C Cross-Domain-Policy \u003E"]' ),
+			) ),
+			self::addFormatVersion( 2, array(
+				// Basic types
+				array( array( null ), '[null]' ),
+				array( array( true ), '[true]' ),
+				array( array( false ), '[false]' ),
+				array( array( true, ApiResult::META_BC_BOOLS => array( 0 ) ), '[true]' ),
+				array( array( false, ApiResult::META_BC_BOOLS => array( 0 ) ), '[false]' ),
+				array( array( 42 ), '[42]' ),
+				array( array( 42.5 ), '[42.5]' ),
+				array( array( 1e42 ), '[1.0e+42]' ),
+				array( array( 'foo' ), '["foo"]' ),
+				array( array( 'fóo' ), '["fóo"]' ),
+				array( array( 'fóo' ), '["f\u00f3o"]', array( 'ascii' => 1 ) ),
+
+				// Arrays and objects
+				array( array( array() ), '[[]]' ),
+				array( array( array( 'x' => 1 ) ), '[{"x":1}]' ),
+				array( array( array( 2 => 1 ) ), '[{"2":1}]' ),
+				array( array( (object)array() ), '[{}]' ),
+				array( array( array( 1, ApiResult::META_TYPE => 'assoc' ) ), '[{"0":1}]' ),
+				array( array( array( 'x' => 1, ApiResult::META_TYPE => 'array' ) ), '[[1]]' ),
+				array( array( array( 'x' => 1, ApiResult::META_TYPE => 'kvp' ) ), '[{"x":1}]' ),
+				array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCkvp', ApiResult::META_KVP_KEY_NAME => 'key' ) ),
+					'[{"x":1}]' ),
+				array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCarray' ) ), '[[1]]' ),
+				array( array( array( 'a', 'b', ApiResult::META_TYPE => 'BCassoc' ) ), '[{"0":"a","1":"b"}]' ),
+
+				// Content
+				array( array( 'content' => 'foo', ApiResult::META_CONTENT => 'content' ),
+					'{"content":"foo"}' ),
+
+				// BC Subelements
+				array( array( 'foo' => 'foo', ApiResult::META_BC_SUBELEMENTS => array( 'foo' ) ),
+					'{"foo":"foo"}' ),
+
+				// Callbacks
+				array( array( 1 ), '/**/myCallback([1])', array( 'callback' => 'myCallback' ) ),
+
+				// Cross-domain mangling
+				array( array( '< Cross-Domain-Policy >' ), '["\u003C Cross-Domain-Policy \u003E"]' ),
+			) )
+		);
 	}
+
 }
diff --git a/tests/phpunit/includes/api/format/ApiFormatNoneTest.php b/tests/phpunit/includes/api/format/ApiFormatNoneTest.php
index cabd750b..8f81a411 100644
--- a/tests/phpunit/includes/api/format/ApiFormatNoneTest.php
+++ b/tests/phpunit/includes/api/format/ApiFormatNoneTest.php
@@ -2,15 +2,43 @@
 
 /**
  * @group API
- * @group Database
- * @group medium
  * @covers ApiFormatNone
  */
 class ApiFormatNoneTest extends ApiFormatTestBase {
 
-	public function testValidSyntax( ) {
-		$data = $this->apiRequest( 'none', array( 'action' => 'query', 'meta' => 'siteinfo' ) );
+	protected $printerName = 'none';
 
-		$this->assertEquals( '', $data ); // No output!
+	public static function provideGeneralEncoding() {
+		return array(
+			// Basic types
+			array( array( null ), '' ),
+			array( array( true ), '' ),
+			array( array( false ), '' ),
+			array( array( 42 ), '' ),
+			array( array( 42.5 ), '' ),
+			array( array( 1e42 ), '' ),
+			array( array( 'foo' ), '' ),
+			array( array( 'fóo' ), '' ),
+
+			// Arrays and objects
+			array( array( array() ), '' ),
+			array( array( array( 1 ) ), '' ),
+			array( array( array( 'x' => 1 ) ), '' ),
+			array( array( array( 2 => 1 ) ), '' ),
+			array( array( (object)array() ), '' ),
+			array( array( array( 1, ApiResult::META_TYPE => 'assoc' ) ), '' ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'array' ) ), '' ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'kvp' ) ), '' ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCkvp', ApiResult::META_KVP_KEY_NAME => 'key' ) ), '' ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCarray' ) ), '' ),
+			array( array( array( 'a', 'b', ApiResult::META_TYPE => 'BCassoc' ) ), '' ),
+
+			// Content
+			array( array( '*' => 'foo' ), '' ),
+
+			// BC Subelements
+			array( array( 'foo' => 'foo', ApiResult::META_BC_SUBELEMENTS => array( 'foo' ) ), '' ),
+		);
 	}
+
 }
diff --git a/tests/phpunit/includes/api/format/ApiFormatPhpTest.php b/tests/phpunit/includes/api/format/ApiFormatPhpTest.php
index 54f447a9..0cb44e92 100644
--- a/tests/phpunit/includes/api/format/ApiFormatPhpTest.php
+++ b/tests/phpunit/includes/api/format/ApiFormatPhpTest.php
@@ -2,16 +2,143 @@
 
 /**
  * @group API
- * @group Database
- * @group medium
  * @covers ApiFormatPhp
  */
 class ApiFormatPhpTest extends ApiFormatTestBase {
 
-	public function testValidSyntax( ) {
-		$data = $this->apiRequest( 'php', array( 'action' => 'query', 'meta' => 'siteinfo' ) );
+	protected $printerName = 'php';
 
-		$this->assertInternalType( 'array', unserialize( $data ) );
-		$this->assertGreaterThan( 0, count( (array)$data ) );
+	private static function addFormatVersion( $format, $arr ) {
+		foreach ( $arr as &$p ) {
+			if ( !isset( $p[2] ) ) {
+				$p[2] = array( 'formatversion' => $format );
+			} else {
+				$p[2]['formatversion'] = $format;
+			}
+		}
+		return $arr;
 	}
+
+	public static function provideGeneralEncoding() {
+		return array_merge(
+			self::addFormatVersion( 1, array(
+				// Basic types
+				array( array( null ), 'a:1:{i:0;N;}' ),
+				array( array( true ), 'a:1:{i:0;s:0:"";}' ),
+				array( array( false ), 'a:0:{}' ),
+				array( array( true, ApiResult::META_BC_BOOLS => array( 0 ) ),
+					'a:1:{i:0;b:1;}' ),
+				array( array( false, ApiResult::META_BC_BOOLS => array( 0 ) ),
+					'a:1:{i:0;b:0;}' ),
+				array( array( 42 ), 'a:1:{i:0;i:42;}' ),
+				array( array( 42.5 ), 'a:1:{i:0;d:42.5;}' ),
+				array( array( 1e42 ), 'a:1:{i:0;d:1.0E+42;}' ),
+				array( array( 'foo' ), 'a:1:{i:0;s:3:"foo";}' ),
+				array( array( 'fóo' ), 'a:1:{i:0;s:4:"fóo";}' ),
+
+				// Arrays and objects
+				array( array( array() ), 'a:1:{i:0;a:0:{}}' ),
+				array( array( array( 1 ) ), 'a:1:{i:0;a:1:{i:0;i:1;}}' ),
+				array( array( array( 'x' => 1 ) ), 'a:1:{i:0;a:1:{s:1:"x";i:1;}}' ),
+				array( array( array( 2 => 1 ) ), 'a:1:{i:0;a:1:{i:2;i:1;}}' ),
+				array( array( (object)array() ), 'a:1:{i:0;a:0:{}}' ),
+				array( array( array( 1, ApiResult::META_TYPE => 'assoc' ) ), 'a:1:{i:0;a:1:{i:0;i:1;}}' ),
+				array( array( array( 'x' => 1, ApiResult::META_TYPE => 'array' ) ), 'a:1:{i:0;a:1:{i:0;i:1;}}' ),
+				array( array( array( 'x' => 1, ApiResult::META_TYPE => 'kvp' ) ), 'a:1:{i:0;a:1:{s:1:"x";i:1;}}' ),
+				array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCkvp', ApiResult::META_KVP_KEY_NAME => 'key' ) ),
+					'a:1:{i:0;a:1:{i:0;a:2:{s:3:"key";s:1:"x";s:1:"*";i:1;}}}' ),
+				array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCarray' ) ), 'a:1:{i:0;a:1:{s:1:"x";i:1;}}' ),
+				array( array( array( 'a', 'b', ApiResult::META_TYPE => 'BCassoc' ) ), 'a:1:{i:0;a:2:{i:0;s:1:"a";i:1;s:1:"b";}}' ),
+
+				// Content
+				array( array( 'content' => 'foo', ApiResult::META_CONTENT => 'content' ),
+					'a:1:{s:1:"*";s:3:"foo";}' ),
+
+				// BC Subelements
+				array( array( 'foo' => 'foo', ApiResult::META_BC_SUBELEMENTS => array( 'foo' ) ),
+					'a:1:{s:3:"foo";a:1:{s:1:"*";s:3:"foo";}}' ),
+			) ),
+			self::addFormatVersion( 2, array(
+				// Basic types
+				array( array( null ), 'a:1:{i:0;N;}' ),
+				array( array( true ), 'a:1:{i:0;b:1;}' ),
+				array( array( false ), 'a:1:{i:0;b:0;}' ),
+				array( array( true, ApiResult::META_BC_BOOLS => array( 0 ) ),
+					'a:1:{i:0;b:1;}' ),
+				array( array( false, ApiResult::META_BC_BOOLS => array( 0 ) ),
+					'a:1:{i:0;b:0;}' ),
+				array( array( 42 ), 'a:1:{i:0;i:42;}' ),
+				array( array( 42.5 ), 'a:1:{i:0;d:42.5;}' ),
+				array( array( 1e42 ), 'a:1:{i:0;d:1.0E+42;}' ),
+				array( array( 'foo' ), 'a:1:{i:0;s:3:"foo";}' ),
+				array( array( 'fóo' ), 'a:1:{i:0;s:4:"fóo";}' ),
+
+				// Arrays and objects
+				array( array( array() ), 'a:1:{i:0;a:0:{}}' ),
+				array( array( array( 1 ) ), 'a:1:{i:0;a:1:{i:0;i:1;}}' ),
+				array( array( array( 'x' => 1 ) ), 'a:1:{i:0;a:1:{s:1:"x";i:1;}}' ),
+				array( array( array( 2 => 1 ) ), 'a:1:{i:0;a:1:{i:2;i:1;}}' ),
+				array( array( (object)array() ), 'a:1:{i:0;a:0:{}}' ),
+				array( array( array( 1, ApiResult::META_TYPE => 'assoc' ) ), 'a:1:{i:0;a:1:{i:0;i:1;}}' ),
+				array( array( array( 'x' => 1, ApiResult::META_TYPE => 'array' ) ), 'a:1:{i:0;a:1:{i:0;i:1;}}' ),
+				array( array( array( 'x' => 1, ApiResult::META_TYPE => 'kvp' ) ), 'a:1:{i:0;a:1:{s:1:"x";i:1;}}' ),
+				array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCkvp', ApiResult::META_KVP_KEY_NAME => 'key' ) ),
+					'a:1:{i:0;a:1:{s:1:"x";i:1;}}' ),
+				array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCarray' ) ), 'a:1:{i:0;a:1:{i:0;i:1;}}' ),
+				array( array( array( 'a', 'b', ApiResult::META_TYPE => 'BCassoc' ) ), 'a:1:{i:0;a:2:{i:0;s:1:"a";i:1;s:1:"b";}}' ),
+
+				// Content
+				array( array( 'content' => 'foo', ApiResult::META_CONTENT => 'content' ),
+					'a:1:{s:7:"content";s:3:"foo";}' ),
+
+				// BC Subelements
+				array( array( 'foo' => 'foo', ApiResult::META_BC_SUBELEMENTS => array( 'foo' ) ),
+					'a:1:{s:3:"foo";s:3:"foo";}' ),
+			) )
+		);
+	}
+
+	public function testCrossDomainMangling() {
+		$config = new HashConfig( array( 'MangleFlashPolicy' => false ) );
+		$context = new RequestContext;
+		$context->setConfig( new MultiConfig( array(
+			$config,
+			$context->getConfig(),
+		) ) );
+		$main = new ApiMain( $context );
+		$main->getResult()->addValue( null, null, '< Cross-Domain-Policy >' );
+
+		if ( !function_exists( 'wfOutputHandler' ) ) {
+			function wfOutputHandler( $s ) {
+				return $s;
+			}
+		}
+
+		$printer = $main->createPrinterByName( 'php' );
+		ob_start( 'wfOutputHandler' );
+		$printer->initPrinter();
+		$printer->execute();
+		$printer->closePrinter();
+		$ret = ob_get_clean();
+		$this->assertSame( 'a:1:{i:0;s:23:"< Cross-Domain-Policy >";}', $ret );
+
+		$config->set( 'MangleFlashPolicy', true );
+		$printer = $main->createPrinterByName( 'php' );
+		ob_start( 'wfOutputHandler' );
+		try {
+			$printer->initPrinter();
+			$printer->execute();
+			$printer->closePrinter();
+			ob_end_clean();
+			$this->fail( 'Expected exception not thrown' );
+		} catch ( UsageException $ex ) {
+			ob_end_clean();
+			$this->assertSame(
+				'This response cannot be represented using format=php. See https://bugzilla.wikimedia.org/show_bug.cgi?id=66776',
+				$ex->getMessage(),
+				'Expected exception'
+			);
+		}
+	}
+
 }
diff --git a/tests/phpunit/includes/api/format/ApiFormatTestBase.php b/tests/phpunit/includes/api/format/ApiFormatTestBase.php
index 5f6d53ce..cabf62b1 100644
--- a/tests/phpunit/includes/api/format/ApiFormatTestBase.php
+++ b/tests/phpunit/includes/api/format/ApiFormatTestBase.php
@@ -1,32 +1,64 @@
 <?php
 
-abstract class ApiFormatTestBase extends ApiTestCase {
+abstract class ApiFormatTestBase extends MediaWikiTestCase {
 
 	/**
-	 * @param string $format
-	 * @param array $params
-	 * @param array $data
-	 *
-	 * @return string
+	 * Name of the formatter being tested
+	 * @var string
 	 */
-	protected function apiRequest( $format, $params, $data = null ) {
-		$data = parent::doApiRequest( $params, $data, true );
-
-		/** @var ApiMain $module */
-		$module = $data[3];
+	protected $printerName;
 
-		$printer = $module->createPrinterByName( $format );
-		$printer->setUnescapeAmps( false );
+	/**
+	 * Return general data to be encoded for testing
+	 * @return array See self::testGeneralEncoding
+	 * @throws Exception
+	 */
+	public static function provideGeneralEncoding() {
+		throw new Exception( 'Subclass must implement ' . __METHOD__ );
+	}
 
-		$printer->initPrinter( false );
+	/**
+	 * Get the formatter output for the given input data
+	 * @param array $params Query parameters
+	 * @param array $data Data to encode
+	 * @param string $class Printer class to use instead of the normal one
+	 * @return string
+	 * @throws Exception
+	 */
+	protected function encodeData( array $params, array $data, $class = null ) {
+		$context = new RequestContext;
+		$context->setRequest( new FauxRequest( $params, true ) );
+		$main = new ApiMain( $context );
+		if ( $class !== null ) {
+			$main->getModuleManager()->addModule( $this->printerName, 'format', $class );
+		}
+		$result = $main->getResult();
+		$result->addArrayType( null, 'default' );
+		foreach ( $data as $k => $v ) {
+			$result->addValue( null, $k, $v );
+		}
 
-		ob_start();
+		$printer = $main->createPrinterByName( $this->printerName );
+		$printer->initPrinter();
 		$printer->execute();
-		$out = ob_get_clean();
-
-		$printer->closePrinter();
+		ob_start();
+		try {
+			$printer->closePrinter();
+			return ob_get_clean();
+		} catch ( Exception $ex ) {
+			ob_end_clean();
+			throw $ex;
+		}
+	}
 
-		return $out;
+	/**
+	 * @dataProvider provideGeneralEncoding
+	 */
+	public function testGeneralEncoding( array $data, $expect, array $params = array() ) {
+		if ( isset( $params['SKIP'] ) ) {
+			$this->markTestSkipped( $expect );
+		}
+		$this->assertSame( $expect, $this->encodeData( $params, $data ) );
 	}
 
 }
diff --git a/tests/phpunit/includes/api/format/ApiFormatTxtTest.php b/tests/phpunit/includes/api/format/ApiFormatTxtTest.php
new file mode 100644
index 00000000..b0a2a960
--- /dev/null
+++ b/tests/phpunit/includes/api/format/ApiFormatTxtTest.php
@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * @group API
+ * @covers ApiFormatTxt
+ */
+class ApiFormatTxtTest extends ApiFormatTestBase {
+
+	protected $printerName = 'txt';
+
+	public static function provideGeneralEncoding() {
+		$warning = "\n    [warnings] => Array\n        (\n            [txt] => Array\n                (\n" .
+			"                    [*] => format=txt has been deprecated. Please use format=json instead.\n" .
+			"                )\n\n        )\n";
+
+		return array(
+			// Basic types
+			array( array( null ), "Array\n({$warning}\n    [0] => \n)\n" ),
+			array( array( true ), "Array\n({$warning}\n    [0] => \n)\n" ),
+			array( array( false ), "Array\n({$warning}\n)\n" ),
+			array( array( true, ApiResult::META_BC_BOOLS => array( 0 ) ),
+				"Array\n({$warning}\n    [0] => 1\n)\n" ),
+			array( array( false, ApiResult::META_BC_BOOLS => array( 0 ) ),
+				"Array\n({$warning}\n    [0] => \n)\n" ),
+			array( array( 42 ), "Array\n({$warning}\n    [0] => 42\n)\n" ),
+			array( array( 42.5 ), "Array\n({$warning}\n    [0] => 42.5\n)\n" ),
+			array( array( 1e42 ), "Array\n({$warning}\n    [0] => 1.0E+42\n)\n" ),
+			array( array( 'foo' ), "Array\n({$warning}\n    [0] => foo\n)\n" ),
+			array( array( 'fóo' ), "Array\n({$warning}\n    [0] => fóo\n)\n" ),
+
+			// Arrays and objects
+			array( array( array() ), "Array\n({$warning}\n    [0] => Array\n        (\n        )\n\n)\n" ),
+			array( array( array( 1 ) ), "Array\n({$warning}\n    [0] => Array\n        (\n            [0] => 1\n        )\n\n)\n" ),
+			array( array( array( 'x' => 1 ) ), "Array\n({$warning}\n    [0] => Array\n        (\n            [x] => 1\n        )\n\n)\n" ),
+			array( array( array( 2 => 1 ) ), "Array\n({$warning}\n    [0] => Array\n        (\n            [2] => 1\n        )\n\n)\n" ),
+			array( array( (object)array() ), "Array\n({$warning}\n    [0] => Array\n        (\n        )\n\n)\n" ),
+			array( array( array( 1, ApiResult::META_TYPE => 'assoc' ) ), "Array\n({$warning}\n    [0] => Array\n        (\n            [0] => 1\n        )\n\n)\n" ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'array' ) ), "Array\n({$warning}\n    [0] => Array\n        (\n            [0] => 1\n        )\n\n)\n" ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'kvp' ) ), "Array\n({$warning}\n    [0] => Array\n        (\n            [x] => 1\n        )\n\n)\n" ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCkvp', ApiResult::META_KVP_KEY_NAME => 'key' ) ),
+				"Array\n({$warning}\n    [0] => Array\n        (\n            [0] => Array\n                (\n                    [key] => x\n                    [*] => 1\n                )\n\n        )\n\n)\n" ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCarray' ) ), "Array\n({$warning}\n    [0] => Array\n        (\n            [x] => 1\n        )\n\n)\n" ),
+			array( array( array( 'a', 'b', ApiResult::META_TYPE => 'BCassoc' ) ), "Array\n({$warning}\n    [0] => Array\n        (\n            [0] => a\n            [1] => b\n        )\n\n)\n" ),
+
+			// Content
+			array( array( 'content' => 'foo', ApiResult::META_CONTENT => 'content' ),
+				"Array\n({$warning}\n    [*] => foo\n)\n" ),
+
+			// BC Subelements
+			array( array( 'foo' => 'foo', ApiResult::META_BC_SUBELEMENTS => array( 'foo' ) ),
+				"Array\n({$warning}\n    [foo] => Array\n        (\n            [*] => foo\n        )\n\n)\n" ),
+		);
+	}
+
+}
diff --git a/tests/phpunit/includes/api/format/ApiFormatWddxTest.php b/tests/phpunit/includes/api/format/ApiFormatWddxTest.php
index d075f547..07111300 100644
--- a/tests/phpunit/includes/api/format/ApiFormatWddxTest.php
+++ b/tests/phpunit/includes/api/format/ApiFormatWddxTest.php
@@ -2,19 +2,79 @@
 
 /**
  * @group API
- * @group Database
- * @group medium
  * @covers ApiFormatWddx
  */
 class ApiFormatWddxTest extends ApiFormatTestBase {
 
+	protected $printerName = 'wddx';
+
+	public static function provideGeneralEncoding() {
+		if ( ApiFormatWddx::useSlowPrinter() ) {
+			return array(
+				array( array(), 'Fast Wddx printer is unavailable', array( 'SKIP' => true ) )
+			);
+		}
+		return self::provideEncoding();
+	}
+
+	public static function provideEncoding() {
+		$p = '<wddxPacket version=\'1.0\'><header/><data><struct><var name=\'warnings\'><struct><var name=\'wddx\'><struct><var name=\'*\'><string>format=wddx has been deprecated. Please use format=json instead.</string></var></struct></var></struct></var>';
+		$s = '</struct></data></wddxPacket>';
+
+		return array(
+			// Basic types
+			array( array( null ), "{$p}<var name='0'><null/></var>{$s}" ),
+			array( array( true ), "{$p}<var name='0'><string></string></var>{$s}" ),
+			array( array( false ), "{$p}{$s}" ),
+			array( array( true, ApiResult::META_BC_BOOLS => array( 0 ) ),
+				"{$p}<var name='0'><boolean value='true'/></var>{$s}" ),
+			array( array( false, ApiResult::META_BC_BOOLS => array( 0 ) ),
+				"{$p}<var name='0'><boolean value='false'/></var>{$s}" ),
+			array( array( 42 ), "{$p}<var name='0'><number>42</number></var>{$s}" ),
+			array( array( 42.5 ), "{$p}<var name='0'><number>42.5</number></var>{$s}" ),
+			array( array( 1e42 ), "{$p}<var name='0'><number>1.0E+42</number></var>{$s}" ),
+			array( array( 'foo' ), "{$p}<var name='0'><string>foo</string></var>{$s}" ),
+			array( array( 'fóo' ), "{$p}<var name='0'><string>fóo</string></var>{$s}" ),
+
+			// Arrays and objects
+			array( array( array() ), "{$p}<var name='0'><array length='0'></array></var>{$s}" ),
+			array( array( array( 1 ) ), "{$p}<var name='0'><array length='1'><number>1</number></array></var>{$s}" ),
+			array( array( array( 'x' => 1 ) ), "{$p}<var name='0'><struct><var name='x'><number>1</number></var></struct></var>{$s}" ),
+			array( array( array( 2 => 1 ) ), "{$p}<var name='0'><struct><var name='2'><number>1</number></var></struct></var>{$s}" ),
+			array( array( (object)array() ), "{$p}<var name='0'><struct></struct></var>{$s}" ),
+			array( array( array( 1, ApiResult::META_TYPE => 'assoc' ) ), "{$p}<var name='0'><struct><var name='0'><number>1</number></var></struct></var>{$s}" ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'array' ) ), "{$p}<var name='0'><array length='1'><number>1</number></array></var>{$s}" ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'kvp' ) ), "{$p}<var name='0'><struct><var name='x'><number>1</number></var></struct></var>{$s}" ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCkvp', ApiResult::META_KVP_KEY_NAME => 'key' ) ),
+				"{$p}<var name='0'><array length='1'><struct><var name='key'><string>x</string></var><var name='*'><number>1</number></var></struct></array></var>{$s}" ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCarray' ) ), "{$p}<var name='0'><struct><var name='x'><number>1</number></var></struct></var>{$s}" ),
+			array( array( array( 'a', 'b', ApiResult::META_TYPE => 'BCassoc' ) ), "{$p}<var name='0'><array length='2'><string>a</string><string>b</string></array></var>{$s}" ),
+
+			// Content
+			array( array( 'content' => 'foo', ApiResult::META_CONTENT => 'content' ),
+				"{$p}<var name='*'><string>foo</string></var>{$s}" ),
+
+			// BC Subelements
+			array( array( 'foo' => 'foo', ApiResult::META_BC_SUBELEMENTS => array( 'foo' ) ),
+				"{$p}<var name='foo'><struct><var name='*'><string>foo</string></var></struct></var>{$s}" ),
+		);
+	}
+
 	/**
-	 * @requires function wddx_deserialize
+	 * @dataProvider provideEncoding
 	 */
-	public function testValidSyntax( ) {
-		$data = $this->apiRequest( 'wddx', array( 'action' => 'query', 'meta' => 'siteinfo' ) );
+	public function testSlowEncoding( array $data, $expect, array $params = array() ) {
+		// Adjust expectation for differences between fast and slow printers.
+		$expect = str_replace( '\'', '"', $expect );
+		$expect = str_replace( '/>', ' />', $expect );
+		$expect = '<?xml version="1.0"?>' . $expect;
+
+		$this->assertSame( $expect, $this->encodeData( $params, $data, 'ApiFormatWddxTest_SlowWddx' ) );
+	}
+}
 
-		$this->assertInternalType( 'array', wddx_deserialize( $data ) );
-		$this->assertGreaterThan( 0, count( (array)$data ) );
+class ApiFormatWddxTest_SlowWddx extends ApiFormatWddx {
+	public static function useSlowPrinter() {
+		return true;
 	}
 }
diff --git a/tests/phpunit/includes/api/format/ApiFormatXmlTest.php b/tests/phpunit/includes/api/format/ApiFormatXmlTest.php
new file mode 100644
index 00000000..7babaedb
--- /dev/null
+++ b/tests/phpunit/includes/api/format/ApiFormatXmlTest.php
@@ -0,0 +1,119 @@
+<?php
+
+/**
+ * @group API
+ * @group Database
+ * @covers ApiFormatXml
+ */
+class ApiFormatXmlTest extends ApiFormatTestBase {
+
+	protected $printerName = 'xml';
+
+	public static function setUpBeforeClass() {
+		parent::setUpBeforeClass();
+		$page = WikiPage::factory( Title::newFromText( 'MediaWiki:ApiFormatXmlTest.xsl' ) );
+		$page->doEditContent( new WikitextContent(
+			'<?xml version="1.0"?><xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" />'
+		), 'Summary' );
+		$page = WikiPage::factory( Title::newFromText( 'MediaWiki:ApiFormatXmlTest' ) );
+		$page->doEditContent( new WikitextContent( 'Bogus' ), 'Summary' );
+		$page = WikiPage::factory( Title::newFromText( 'ApiFormatXmlTest' ) );
+		$page->doEditContent( new WikitextContent( 'Bogus' ), 'Summary' );
+	}
+
+	public static function provideGeneralEncoding() {
+		return array(
+			// Basic types
+			array( array( null, 'a' => null ), '<?xml version="1.0"?><api><_v _idx="0" /></api>' ),
+			array( array( true, 'a' => true ), '<?xml version="1.0"?><api a=""><_v _idx="0">true</_v></api>' ),
+			array( array( false, 'a' => false ), '<?xml version="1.0"?><api><_v _idx="0">false</_v></api>' ),
+			array( array( true, 'a' => true, ApiResult::META_BC_BOOLS => array( 0, 'a' ) ),
+				'<?xml version="1.0"?><api a=""><_v _idx="0">1</_v></api>' ),
+			array( array( false, 'a' => false, ApiResult::META_BC_BOOLS => array( 0, 'a' ) ),
+				'<?xml version="1.0"?><api><_v _idx="0"></_v></api>' ),
+			array( array( 42, 'a' => 42 ), '<?xml version="1.0"?><api a="42"><_v _idx="0">42</_v></api>' ),
+			array( array( 42.5, 'a' => 42.5 ), '<?xml version="1.0"?><api a="42.5"><_v _idx="0">42.5</_v></api>' ),
+			array( array( 1e42, 'a' => 1e42 ), '<?xml version="1.0"?><api a="1.0E+42"><_v _idx="0">1.0E+42</_v></api>' ),
+			array( array( 'foo', 'a' => 'foo' ), '<?xml version="1.0"?><api a="foo"><_v _idx="0">foo</_v></api>' ),
+			array( array( 'fóo', 'a' => 'fóo' ), '<?xml version="1.0"?><api a="fóo"><_v _idx="0">fóo</_v></api>' ),
+
+			// Arrays and objects
+			array( array( array() ), '<?xml version="1.0"?><api><_v /></api>' ),
+			array( array( array( 'x' => 1 ) ), '<?xml version="1.0"?><api><_v x="1" /></api>' ),
+			array( array( array( 2 => 1 ) ), '<?xml version="1.0"?><api><_v><_v _idx="2">1</_v></_v></api>' ),
+			array( array( (object)array() ), '<?xml version="1.0"?><api><_v /></api>' ),
+			array( array( array( 1, ApiResult::META_TYPE => 'assoc' ) ), '<?xml version="1.0"?><api><_v><_v _idx="0">1</_v></_v></api>' ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'array' ) ), '<?xml version="1.0"?><api><_v><_v>1</_v></_v></api>' ),
+			array( array( array( 'x' => 1, 'y' => array( 'z' => 1 ), ApiResult::META_TYPE => 'kvp' ) ),
+				'<?xml version="1.0"?><api><_v><_v _name="x" xml:space="preserve">1</_v><_v _name="y"><z xml:space="preserve">1</z></_v></_v></api>' ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'kvp', ApiResult::META_INDEXED_TAG_NAME => 'i', ApiResult::META_KVP_KEY_NAME => 'key' ) ),
+				'<?xml version="1.0"?><api><_v><i key="x" xml:space="preserve">1</i></_v></api>' ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCkvp', ApiResult::META_KVP_KEY_NAME => 'key' ) ),
+				'<?xml version="1.0"?><api><_v><_v key="x" xml:space="preserve">1</_v></_v></api>' ),
+			array( array( array( 'x' => 1, ApiResult::META_TYPE => 'BCarray' ) ), '<?xml version="1.0"?><api><_v x="1" /></api>' ),
+			array( array( array( 'a', 'b', ApiResult::META_TYPE => 'BCassoc' ) ), '<?xml version="1.0"?><api><_v><_v _idx="0">a</_v><_v _idx="1">b</_v></_v></api>' ),
+
+			// Content
+			array( array( 'content' => 'foo', ApiResult::META_CONTENT => 'content' ),
+				'<?xml version="1.0"?><api xml:space="preserve">foo</api>' ),
+
+			// Specified element name
+			array( array( 'foo', 'bar', ApiResult::META_INDEXED_TAG_NAME => 'itn' ),
+				'<?xml version="1.0"?><api><itn>foo</itn><itn>bar</itn></api>' ),
+
+			// Subelements
+			array( array( 'a' => 1, 's' => 1, '_subelements' => array( 's' ) ),
+				'<?xml version="1.0"?><api a="1"><s xml:space="preserve">1</s></api>' ),
+
+			// Content and subelement
+			array( array( 'a' => 1, 'content' => 'foo', ApiResult::META_CONTENT => 'content' ),
+				'<?xml version="1.0"?><api a="1" xml:space="preserve">foo</api>' ),
+			array( array( 's' => array(), 'content' => 'foo', ApiResult::META_CONTENT => 'content' ),
+				'<?xml version="1.0"?><api><s /><content xml:space="preserve">foo</content></api>' ),
+			array(
+				array(
+					's' => 1,
+					'content' => 'foo',
+					ApiResult::META_CONTENT => 'content',
+					ApiResult::META_SUBELEMENTS => array( 's' )
+				),
+				'<?xml version="1.0"?><api><s xml:space="preserve">1</s><content xml:space="preserve">foo</content></api>'
+			),
+
+			// BC Subelements
+			array( array( 'foo' => 'foo', ApiResult::META_BC_SUBELEMENTS => array( 'foo' ) ),
+				'<?xml version="1.0"?><api><foo xml:space="preserve">foo</foo></api>' ),
+
+			// Name mangling
+			array( array( 'foo.bar' => 1 ), '<?xml version="1.0"?><api foo.bar="1" />' ),
+			array( array( '' => 1 ), '<?xml version="1.0"?><api _="1" />' ),
+			array( array( 'foo bar' => 1 ), '<?xml version="1.0"?><api _foo.20.bar="1" />' ),
+			array( array( 'foo:bar' => 1 ), '<?xml version="1.0"?><api _foo.3A.bar="1" />' ),
+			array( array( 'foo%.bar' => 1 ), '<?xml version="1.0"?><api _foo.25..2E.bar="1" />' ),
+			array( array( '4foo' => 1, 'foo4' => 1 ), '<?xml version="1.0"?><api _4foo="1" foo4="1" />' ),
+			array( array( "foo\xe3\x80\x80bar" => 1 ), '<?xml version="1.0"?><api _foo.3000.bar="1" />' ),
+			array( array( 'foo:bar' => 1, ApiResult::META_PRESERVE_KEYS => array( 'foo:bar' ) ),
+				'<?xml version="1.0"?><api foo:bar="1" />' ),
+			array( array( 'a', 'b', ApiResult::META_INDEXED_TAG_NAME => 'foo bar' ),
+				'<?xml version="1.0"?><api><_foo.20.bar>a</_foo.20.bar><_foo.20.bar>b</_foo.20.bar></api>' ),
+
+			// includenamespace param
+			array( array( 'x' => 'foo' ), '<?xml version="1.0"?><api x="foo" xmlns="http://www.mediawiki.org/xml/api/" />',
+				array( 'includexmlnamespace' => 1 ) ),
+
+			// xslt param
+			array( array(), '<?xml version="1.0"?><api><warnings><xml xml:space="preserve">Invalid or non-existent stylesheet specified</xml></warnings></api>',
+				array( 'xslt' => 'DoesNotExist' ) ),
+			array( array(), '<?xml version="1.0"?><api><warnings><xml xml:space="preserve">Stylesheet should be in the MediaWiki namespace.</xml></warnings></api>',
+				array( 'xslt' => 'ApiFormatXmlTest' ) ),
+			array( array(), '<?xml version="1.0"?><api><warnings><xml xml:space="preserve">Stylesheet should have .xsl extension.</xml></warnings></api>',
+				array( 'xslt' => 'MediaWiki:ApiFormatXmlTest' ) ),
+			array( array(),
+				'<?xml version="1.0"?><?xml-stylesheet href="' .
+					htmlspecialchars( Title::newFromText( 'MediaWiki:ApiFormatXmlTest.xsl' )->getLocalURL( 'action=raw' ) ) .
+					'" type="text/xsl" ?><api />',
+				array( 'xslt' => 'MediaWiki:ApiFormatXmlTest.xsl' ) ),
+		);
+	}
+
+}
-- 
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