<?php
/**
 * Tests for the \PHP_CodeSniffer\Files\File::findEndOfStatement method.
 *
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
 */

namespace PHP_CodeSniffer\Tests\Core\Files\File;

use PHP_CodeSniffer\Tests\Core\AbstractMethodUnitTest;
use PHP_CodeSniffer\Util\Tokens;

/**
 * Tests for the \PHP_CodeSniffer\Files\File::findEndOfStatement method.
 *
 * @covers \PHP_CodeSniffer\Files\File::findEndOfStatement
 */
final class FindEndOfStatementTest extends AbstractMethodUnitTest
{


    /**
     * Test that end of statement is NEVER before the "current" token.
     *
     * @return void
     */
    public function testEndIsNeverLessThanCurrentToken()
    {
        $tokens = self::$phpcsFile->getTokens();
        $errors = [];

        for ($i = 0; $i < self::$phpcsFile->numTokens; $i++) {
            if (isset(Tokens::$emptyTokens[$tokens[$i]['code']]) === true) {
                continue;
            }

            $end = self::$phpcsFile->findEndOfStatement($i);

            // Collect all the errors.
            if ($end < $i) {
                $errors[] = sprintf(
                    'End of statement for token %1$d (%2$s: %3$s) on line %4$d is %5$d (%6$s), which is less than %1$d',
                    $i,
                    $tokens[$i]['type'],
                    $tokens[$i]['content'],
                    $tokens[$i]['line'],
                    $end,
                    $tokens[$end]['type']
                );
            }
        }

        $this->assertSame([], $errors);

    }//end testEndIsNeverLessThanCurrentToken()


    /**
     * Test a simple assignment.
     *
     * @return void
     */
    public function testSimpleAssignment()
    {
        $start = $this->getTargetToken('/* testSimpleAssignment */', T_VARIABLE);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 5), $found);

    }//end testSimpleAssignment()


    /**
     * Test a direct call to a control structure.
     *
     * @return void
     */
    public function testControlStructure()
    {
        $start = $this->getTargetToken('/* testControlStructure */', T_WHILE);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 6), $found);

    }//end testControlStructure()


    /**
     * Test the assignment of a closure.
     *
     * @return void
     */
    public function testClosureAssignment()
    {
        $start = $this->getTargetToken('/* testClosureAssignment */', T_VARIABLE, '$a');
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 13), $found);

    }//end testClosureAssignment()


    /**
     * Test using a heredoc in a function argument.
     *
     * @return void
     */
    public function testHeredocFunctionArg()
    {
        // Find the end of the function.
        $start = $this->getTargetToken('/* testHeredocFunctionArg */', T_STRING, 'myFunction');
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 10), $found);

        // Find the end of the heredoc.
        $start += 2;
        $found  = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 4), $found);

        // Find the end of the last arg.
        $start = ($found + 2);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame($start, $found);

    }//end testHeredocFunctionArg()


    /**
     * Test parts of a switch statement.
     *
     * @return void
     */
    public function testSwitch()
    {
        // Find the end of the switch.
        $start = $this->getTargetToken('/* testSwitch */', T_SWITCH);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 28), $found);

        // Find the end of the case.
        $start += 9;
        $found  = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 8), $found);

        // Find the end of default case.
        $start += 11;
        $found  = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 6), $found);

    }//end testSwitch()


    /**
     * Test statements that are array values.
     *
     * @return void
     */
    public function testStatementAsArrayValue()
    {
        // Test short array syntax.
        $start = $this->getTargetToken('/* testStatementAsArrayValue */', T_NEW);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 2), $found);

        // Test long array syntax.
        $start += 12;
        $found  = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 2), $found);

        // Test same statement outside of array.
        $start += 10;
        $found  = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 3), $found);

    }//end testStatementAsArrayValue()


    /**
     * Test a use group.
     *
     * @return void
     */
    public function testUseGroup()
    {
        $start = $this->getTargetToken('/* testUseGroup */', T_USE);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 23), $found);

    }//end testUseGroup()


    /**
     * Test arrow function as array value.
     *
     * @return void
     */
    public function testArrowFunctionArrayValue()
    {
        $start = $this->getTargetToken('/* testArrowFunctionArrayValue */', T_FN);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 9), $found);

    }//end testArrowFunctionArrayValue()


    /**
     * Test static arrow function.
     *
     * @return void
     */
    public function testStaticArrowFunction()
    {
        $static = $this->getTargetToken('/* testStaticArrowFunction */', T_STATIC);
        $fn     = $this->getTargetToken('/* testStaticArrowFunction */', T_FN);

        $endOfStatementStatic = self::$phpcsFile->findEndOfStatement($static);
        $endOfStatementFn     = self::$phpcsFile->findEndOfStatement($fn);

        $this->assertSame($endOfStatementFn, $endOfStatementStatic);

    }//end testStaticArrowFunction()


    /**
     * Test arrow function with return value.
     *
     * @return void
     */
    public function testArrowFunctionReturnValue()
    {
        $start = $this->getTargetToken('/* testArrowFunctionReturnValue */', T_FN);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 18), $found);

    }//end testArrowFunctionReturnValue()


    /**
     * Test arrow function used as a function argument.
     *
     * @return void
     */
    public function testArrowFunctionAsArgument()
    {
        $start = $this->getTargetToken('/* testArrowFunctionAsArgument */', T_FN);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 8), $found);

    }//end testArrowFunctionAsArgument()


    /**
     * Test arrow function with arrays used as a function argument.
     *
     * @return void
     */
    public function testArrowFunctionWithArrayAsArgument()
    {
        $start = $this->getTargetToken('/* testArrowFunctionWithArrayAsArgument */', T_FN);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 17), $found);

    }//end testArrowFunctionWithArrayAsArgument()


    /**
     * Test simple match expression case.
     *
     * @return void
     */
    public function testMatchCase()
    {
        $start = $this->getTargetToken('/* testMatchCase */', T_LNUMBER);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 5), $found);

        $start = $this->getTargetToken('/* testMatchCase */', T_CONSTANT_ENCAPSED_STRING);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 1), $found);

    }//end testMatchCase()


    /**
     * Test simple match expression default case.
     *
     * @return void
     */
    public function testMatchDefault()
    {
        $start = $this->getTargetToken('/* testMatchDefault */', T_MATCH_DEFAULT);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 4), $found);

        $start = $this->getTargetToken('/* testMatchDefault */', T_CONSTANT_ENCAPSED_STRING);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame($start, $found);

    }//end testMatchDefault()


    /**
     * Test multiple comma-separated match expression case values.
     *
     * @return void
     */
    public function testMatchMultipleCase()
    {
        $start = $this->getTargetToken('/* testMatchMultipleCase */', T_LNUMBER);
        $found = self::$phpcsFile->findEndOfStatement($start);
        $this->assertSame(($start + 13), $found);

        $start += 6;
        $found  = self::$phpcsFile->findEndOfStatement($start);
        $this->assertSame(($start + 7), $found);

    }//end testMatchMultipleCase()


    /**
     * Test match expression default case with trailing comma.
     *
     * @return void
     */
    public function testMatchDefaultComma()
    {
        $start = $this->getTargetToken('/* testMatchDefaultComma */', T_MATCH_DEFAULT);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 5), $found);

    }//end testMatchDefaultComma()


    /**
     * Test match expression with function call.
     *
     * @return void
     */
    public function testMatchFunctionCall()
    {
        $start = $this->getTargetToken('/* testMatchFunctionCall */', T_STRING);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 12), $found);

        $start += 8;
        $found  = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 1), $found);

    }//end testMatchFunctionCall()


    /**
     * Test match expression with function call in the arm.
     *
     * @return void
     */
    public function testMatchFunctionCallArm()
    {
        // Check the first case.
        $start = $this->getTargetToken('/* testMatchFunctionCallArm */', T_STRING);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 21), $found);

        // Check the second case.
        $start += 24;
        $found  = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 21), $found);

    }//end testMatchFunctionCallArm()


    /**
     * Test match expression with closure.
     *
     * @return void
     */
    public function testMatchClosure()
    {
        $start = $this->getTargetToken('/* testMatchClosure */', T_LNUMBER);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 14), $found);

        $start += 17;
        $found  = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 14), $found);

    }//end testMatchClosure()


    /**
     * Test match expression with array declaration.
     *
     * @return void
     */
    public function testMatchArray()
    {
        $start = $this->getTargetToken('/* testMatchArray */', T_LNUMBER);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 11), $found);

        $start += 14;
        $found  = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 22), $found);

    }//end testMatchArray()


    /**
     * Test nested match expressions.
     *
     * @return void
     */
    public function testNestedMatch()
    {
        $start = $this->getTargetToken('/* testNestedMatch */', T_LNUMBER);
        $found = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 30), $found);

        $start += 21;
        $found  = self::$phpcsFile->findEndOfStatement($start);

        $this->assertSame(($start + 5), $found);

    }//end testNestedMatch()


}//end class
