1 files changed, 75 insertions, 0 deletions
diff --git a/tests/phpunit/includes/libs/MWMessagePackTest.php b/tests/phpunit/includes/libs/MWMessagePackTest.php
new file mode 100644
index 00000000..f80f78df
--- /dev/null
+++ b/tests/phpunit/includes/libs/MWMessagePackTest.php
@@ -0,0 +1,75 @@
+<?php
+/**
+ * PHP Unit tests for MWMessagePack
+ * @covers MWMessagePack
+ */
+class MWMessagePackTest extends MediaWikiTestCase {
+
+	/**
+	 * Provides test cases for MWMessagePackTest::testMessagePack
+	 *
+	 * Returns an array of test cases. Each case is an array of (type, value,
+	 * expected encoding as hex string). The expected values were generated
+	 * using <https://github.com/msgpack/msgpack-php>, which includes a
+	 * serialization function.
+	 */
+	public static function providePacks() {
+		$tests = array(
+			array( 'nil', null, 'c0' ),
+			array( 'bool', true, 'c3' ),
+			array( 'bool', false, 'c2' ),
+			array( 'positive fixnum', 0, '00' ),
+			array( 'positive fixnum', 1, '01' ),
+			array( 'positive fixnum', 5, '05' ),
+			array( 'positive fixnum', 35, '23' ),
+			array( 'uint 8', 128, 'cc80' ),
+			array( 'uint 16', 1000, 'cd03e8' ),
+			array( 'uint 32', 100000, 'ce000186a0' ),
+			array( 'negative fixnum', -1, 'ff' ),
+			array( 'negative fixnum', -2, 'fe' ),
+			array( 'int 8', -128, 'd080' ),
+			array( 'int 8', -35, 'd0dd' ),
+			array( 'int 16', -1000, 'd1fc18' ),
+			array( 'int 32', -100000, 'd2fffe7960' ),
+			array( 'double', 0.1, 'cb3fb999999999999a' ),
+			array( 'double', 1.1, 'cb3ff199999999999a' ),
+			array( 'double', 123.456, 'cb405edd2f1a9fbe77' ),
+			array( 'fix raw', '', 'a0' ),
+			array( 'fix raw', 'foobar', 'a6666f6f626172' ),
+			array(
+				'raw 16',
+				'Lorem ipsum dolor sit amet amet.',
+				'da00204c6f72656d20697073756d20646f6c6f722073697420616d657420616d65742e'
+			),
+			array(
+				'fix array',
+				array( 'abc', 'def', 'ghi' ),
+				'93a3616263a3646566a3676869'
+			),
+			array(
+				'fix map',
+				array( 'one' => 1, 'two' => 2 ),
+				'82a36f6e6501a374776f02'
+			),
+		);
+
+		if ( PHP_INT_SIZE > 4 ) {
+			$tests[] = array( 'uint 64', 10000000000, 'cf00000002540be400' );
+			$tests[] = array( 'int 64', -10000000000, 'd3fffffffdabf41c00' );
+			$tests[] = array( 'int 64', -223372036854775807, 'd3fce66c50e2840001' );
+			$tests[] = array( 'int 64', -9223372036854775807, 'd38000000000000001' );
+		}
+
+		return $tests;
+	}
+
+	/**
+	 * Verify that values are serialized correctly.
+	 * @covers MWMessagePack::pack
+	 * @dataProvider providePacks
+	 */
+	public function testPack( $type, $value, $expected ) {
+		$actual = bin2hex( MWMessagePack::pack( $value ) );
+		$this->assertEquals( $expected, $actual, $type );
+	}
+}