wfRemoveDotSegmentsTest.php

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<?php
class WfRemoveDotSegmentsTest extends MediaWikiTestCase {
    public function testWfRemoveDotSegments( $inputPath, $outputPath ) {
        $this->assertEquals(
            $outputPath,
            wfRemoveDotSegments( $inputPath ),
            "Testing $inputPath expands to $outputPath"
        );
    }

    public static function providePaths() {
        return array(
            array( '/a/b/c/./../../g', '/a/g' ),
            array( 'mid/content=5/../6', 'mid/6' ),
            array( '/a//../b', '/a/b' ),
            array( '/.../a', '/.../a' ),
            array( '.../a', '.../a' ),
            array( '', '' ),
            array( '/', '/' ),
            array( '//', '//' ),
            array( '.', '' ),
            array( '..', '' ),
            array( '...', '...' ),
            array( '/.', '/' ),
            array( '/..', '/' ),
            array( './', '' ),
            array( '../', '' ),
            array( './a', 'a' ),
            array( '../a', 'a' ),
            array( '../../a', 'a' ),
            array( '.././a', 'a' ),
            array( './../a', 'a' ),
            array( '././a', 'a' ),
            array( '../../', '' ),
            array( '.././', '' ),
            array( './../', '' ),
            array( '././', '' ),
            array( '../..', '' ),
            array( '../.', '' ),
            array( './..', '' ),
            array( './.', '' ),
            array( '/../../a', '/a' ),
            array( '/.././a', '/a' ),
            array( '/./../a', '/a' ),
            array( '/././a', '/a' ),
            array( '/../../', '/' ),
            array( '/.././', '/' ),
            array( '/./../', '/' ),
            array( '/././', '/' ),
            array( '/../..', '/' ),
            array( '/../.', '/' ),
            array( '/./..', '/' ),
            array( '/./.', '/' ),
            array( 'b/../../a', '/a' ),
            array( 'b/.././a', '/a' ),
            array( 'b/./../a', '/a' ),
            array( 'b/././a', 'b/a' ),
            array( 'b/../../', '/' ),
            array( 'b/.././', '/' ),
            array( 'b/./../', '/' ),
            array( 'b/././', 'b/' ),
            array( 'b/../..', '/' ),
            array( 'b/../.', '/' ),
            array( 'b/./..', '/' ),
            array( 'b/./.', 'b/' ),
            array( '/b/../../a', '/a' ),
            array( '/b/.././a', '/a' ),
            array( '/b/./../a', '/a' ),
            array( '/b/././a', '/b/a' ),
            array( '/b/../../', '/' ),
            array( '/b/.././', '/' ),
            array( '/b/./../', '/' ),
            array( '/b/././', '/b/' ),
            array( '/b/../..', '/' ),
            array( '/b/../.', '/' ),
            array( '/b/./..', '/' ),
            array( '/b/./.', '/b/' ),
        );
    }
}