1 files changed, 76 insertions, 0 deletions
diff --git a/extensions/ParserFunctions/tests/ExpressionTest.php b/extensions/ParserFunctions/tests/ExpressionTest.php
new file mode 100644
index 00000000..169a9cb4
--- /dev/null
+++ b/extensions/ParserFunctions/tests/ExpressionTest.php
@@ -0,0 +1,76 @@
+<?php
+class ExpressionTest extends MediaWikiTestCase {
+
+	/**
+	 * @var ExprParser
+	 */
+	protected $parser;
+
+	protected function setUp() {
+		parent::setUp();
+		$this->parser = new ExprParser();
+	}
+
+	/**
+	 * @dataProvider provideExpressions
+	 */
+	function testExpression( $input, $expected ) {
+		$this->assertEquals(
+			$expected,
+			$this->parser->doExpression( $input )
+		);
+	}
+
+	function provideExpressions() {
+		return array(
+			array( '1 or 0', '1' ),
+			array( 'not (1 and 0)', '1' ),
+			array( 'not 0', '1' ),
+			array( '4 < 5', '1' ),
+			array( '-5 < 2', '1' ),
+			array( '-2 <= -2', '1' ),
+			array( '4 > 3', '1' ),
+			array( '4 > -3', '1' ),
+			array( '5 >= 2', '1' ),
+			array( '2 >= 2', '1' ),
+			array( '1 != 2', '1' ),
+			array( '-4 * -4 = 4 * 4', '1' ),
+			array( 'not (1 != 1)', '1' ),
+			array( '1 + 1', '2' ),
+			array( '-1 + 1', '0' ),
+			array( '+1 + 1', '2' ),
+			array( '4 * 4', '16' ),
+			array( '(1/3) * 3', '1' ),
+			array( '3 / 1.5', '2' ),
+			array( '3 / 0.2', '15' ),
+			array( '3 / ( 2.0 * 0.1 )', '15' ),
+			array( '3 / ( 2.0 / 10 )', '15' ),
+			array( '3 / (- 0.2 )', '-15' ),
+			array( '3 / abs( 0.2 )', '15' ),
+			array( '3 mod 2', '1' ),
+			array( '1e4', '10000' ),
+			array( '1e-2', '0.01' ),
+			array( '4.0 round 0', '4' ),
+			array( 'ceil 4', '4' ),
+			array( 'floor 4', '4' ),
+			array( '4.5 round 0', '5' ),
+			array( '4.2 round 0', '4' ),
+			array( '-4.2 round 0', '-4' ),
+			array( '-4.5 round 0', '-5' ),
+			array( '-2.0 round 0', '-2' ),
+			array( 'ceil -3', '-3' ),
+			array( 'floor -6.0', '-6' ),
+			array( 'ceil 4.2', '5' ),
+			array( 'ceil -4.5', '-4' ),
+			array( 'floor -4.5', '-5' ),
+			array( 'abs(-2)', '2' ),
+			array( 'ln(exp(1))', '1' ),
+			array( 'trunc(4.5)', '4' ),
+			array( 'trunc(-4.5)', '-4' ),
+			array( '123 fmod (2^64-1)', '123' ),
+			array( '5.7 mod 1.3', '0' ),
+			array( '5.7 fmod 1.3', '0.5' ),
+		);
+	}
+}
+