How to use canAquireSharedLockIfAlreadySelfExclusivelyLocked method of vfsStreamWrapperFlockTestCase class

Best VfsStream code snippet using vfsStreamWrapperFlockTestCase.canAquireSharedLockIfAlreadySelfExclusivelyLocked

vfsStreamWrapperFlockTestCase.php

Source:vfsStreamWrapperFlockTestCase.php Github

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...291 * @see https://github.com/mikey179/vfsStream/issues/40292 * @test293 * @group issue_40294 */295 public function canAquireSharedLockIfAlreadySelfExclusivelyLocked()296 {297 $file = vfsStream::newFile('foo.txt')->at($this->root);298 $fp = fopen(vfsStream::url('root/foo.txt'), 'rb');299 $file->lock($fp, LOCK_EX);300 $this->assertTrue(flock($fp, LOCK_SH + LOCK_NB));301 $this->assertTrue($file->isLocked());302 $this->assertTrue($file->hasSharedLock());303 $this->assertFalse($file->hasExclusiveLock());304 fclose($fp);305 }306 /**307 * @see https://github.com/mikey179/vfsStream/issues/40308 * @test309 * @group issue_40...

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canAquireSharedLockIfAlreadySelfExclusivelyLocked

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1flock($fp, LOCK_EX);2flock($fp, LOCK_UN);3fclose($fp);4Fatal error: Call to undefined method vfsStreamWrapper::getWrapper() in /var/www/vfsStreamWrapperFlockTestCase.php on line 135flock($fp, LOCK_EX);6flock($fp, LOCK_UN);7fclose($fp);

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canAquireSharedLockIfAlreadySelfExclusivelyLocked

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1flock($fp, LOCK_EX);2var_dump(vfsStreamWrapper::canAquireSharedLockIfAlreadySelfExclusivelyLocked());3flock($fp, LOCK_UN);4fclose($fp);5flock($fp, LOCK_EX);6var_dump(vfsStreamWrapper::canAquireSharedLockIfAlreadySelfExclusivelyLocked());7flock($fp, LOCK_UN);8fclose($fp);9flock($fp, LOCK_EX);10var_dump(vfsStreamWrapper::canAquireSharedLockIfAlreadySelfExclusivelyLocked());11flock($fp, LOCK_UN);12fclose($fp);13flock($fp, LOCK_EX);14var_dump(vfsStreamWrapper::canAquireSharedLockIfAlreadySelfExclusivelyLocked());15flock($fp, LOCK_UN);16fclose($fp);17flock($fp, LOCK_EX);18var_dump(vfsStreamWrapper::canAquireSharedLockIfAlreadySelfExclusivelyLocked());19flock($fp, LOCK_UN);20fclose($fp);21flock($fp, LOCK_EX);22var_dump(vfsStreamWrapper::canAquireSharedLockIfAlreadySelfExclusivelyLocked());23flock($fp, LOCK_UN);

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canAquireSharedLockIfAlreadySelfExclusivelyLocked

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1flock($fp, LOCK_EX);2var_dump(flock($fp, LOCK_SH));3fclose($fp);4flock($fp, LOCK_EX);5var_dump(flock($fp, LOCK_EX));6fclose($fp);7flock($fp, LOCK_SH);8var_dump(flock($fp, LOCK_SH));9fclose($fp);10flock($fp, LOCK_SH);11var_dump(flock($fp, LOCK_EX));12fclose($fp);13flock($fp, LOCK_EX);14var_dump(flock($fp, LOCK_SH));15fclose($fp);16flock($fp, LOCK_EX);17var_dump(flock($fp, LOCK_EX));18fclose($fp);19bool(false)20bool(false)21bool(false)22bool(true)23bool(false)24bool(true)25bool(false)

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canAquireSharedLockIfAlreadySelfExclusivelyLocked

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1var_dump(flock($fp, LOCK_SH | LOCK_NB));2var_dump(flock($fp, LOCK_SH | LOCK_NB));3fclose($fp);4var_dump(flock($fp, LOCK_EX | LOCK_NB));5var_dump(flock($fp, LOCK_EX | LOCK_NB));6fclose($fp);7var_dump(flock($fp, LOCK_SH | LOCK_NB));8var_dump(flock($fp, LOCK_SH | LOCK_NB));9fclose($fp);10var_dump(flock($fp, LOCK_EX | LOCK_NB));11var_dump(flock($fp, LOCK_EX | LOCK_NB));12fclose($fp);13var_dump(flock($fp, LOCK_EX | LOCK_NB));14var_dump(flock($fp, LOCK_EX | LOCK_NB));15fclose($fp);16var_dump(flock($fp, LOCK_EX | LOCK_NB));17var_dump(flock($fp, LOCK_EX | LOCK_NB));18fclose($fp);19var_dump(flock($fp, LOCK_SH | LOCK_NB));20var_dump(flock($fp, LOCK_SH | LOCK_NB));21fclose($fp);

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canAquireSharedLockIfAlreadySelfExclusivelyLocked

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1$this->assertTrue(vfsStreamWrapper::canAquireSharedLockIfAlreadySelfExclusivelyLocked($lock));2$this->assertTrue(vfsStreamWrapper::canAquireSharedLockIfAlreadySelfExclusivelyLocked($lock2));3fclose($lock);4fclose($lock2);5$this->assertTrue(vfsStreamWrapper::canAquireSharedLockIfAlreadySelfExclusivelyLocked($lock));6$this->assertTrue(vfsStreamWrapper::canAquireSharedLockIfAlreadySelfExclusivelyLocked($lock2));7fclose($lock);8fclose($lock2);9$this->assertTrue(vfsStreamWrapper::canAquireSharedLockIfAlreadySelfExclusivelyLocked($lock));10$this->assertTrue(vfsStreamWrapper::canAquireSharedLockIfAlreadySelfExclusivelyLocked($lock2));11fclose($lock);12fclose($lock2);13$this->assertTrue(vfsStreamWrapper::canAquireSharedLockIfAlreadySelfExclusivelyLocked($lock));14$this->assertTrue(vfsStreamWrapper::canAquireSharedLockIfAlreadySelfExclusivelyLocked($lock2));15fclose($lock);16fclose($lock2);

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canAquireSharedLockIfAlreadySelfExclusivelyLocked

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1$lock = vfsStream::newFile('test.txt')->at($this->root)->lock();2$this->assertTrue($lock->isLocked());3$this->assertTrue($lock->canAquireSharedLockIfAlreadySelfExclusivelyLocked());4$lock->unlock();5$lock = vfsStream::newFile('test.txt')->at($this->root)->lock();6$this->assertTrue($lock->isLocked());7$this->assertTrue($lock->canAquireSharedLockIfAlreadySelfExclusivelyLocked());8$lock->unlock();9$lock = vfsStream::newFile('test.txt')->at($this->root)->lock();10$this->assertTrue($lock->isLocked());11$this->assertTrue($lock->canAquireSharedLockIfAlreadySelfExclusivelyLocked());12$lock->unlock();13$lock = vfsStream::newFile('test.txt')->at($this->root)->lock();14$this->assertTrue($lock->isLocked());15$this->assertTrue($lock->canAquireSharedLockIfAlreadySelfExclusivelyLocked());16$lock->unlock();17$lock = vfsStream::newFile('test.txt')->at($this->root)->lock();18$this->assertTrue($lock->isLocked());19$this->assertTrue($lock->canAquireSharedLockIfAlreadySelfExclusivelyLocked());20$lock->unlock();21$lock = vfsStream::newFile('test.txt')->at($this->root)->lock();22$this->assertTrue($lock->isLocked());23$this->assertTrue($lock->canAquireSharedLockIfAlreadySelfExclusivelyLocked());24$lock->unlock();

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canAquireSharedLockIfAlreadySelfExclusivelyLocked

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1$fs = vfsStream::setup('root');2$dir = vfsStream::newDirectory('dir');3$fs->addChild($dir);4$dir->addChild(vfsStream::newFile('test.txt'));5$dir->chmod(0777);6$dir->chgrp(1000);7$dir->chown(1000);8$dir->touch(1000);9$dir->lock(vfsStreamContent::LOCK_EXCLUSIVE);10$this->assertTrue($dir->canAquireSharedLockIfAlreadySelfExclusivelyLocked());11$dir->unlock();12$this->assertFalse($dir->canAquireSharedLockIfAlreadySelfExclusivelyLocked());13$fs = vfsStream::setup('root');14$dir = vfsStream::newDirectory('dir');15$fs->addChild($dir);16$dir->addChild(vfsStream::newFile('test.txt'));17$dir->chmod(0777);18$dir->chgrp(1000);19$dir->chown(1000);20$dir->touch(1000);21$dir->lock(vfsStreamContent::LOCK_EXCLUSIVE);22$dir->lock(vfsStreamContent::LOCK_SHARED);23$this->assertTrue($dir->canAquireSharedLockIfAlreadySelfExclusivelyLocked());24$dir->unlock();25$this->assertFalse($dir->canAquireSharedLockIfAlreadySelfExclusivelyLocked());26$fs = vfsStream::setup('root');27$dir = vfsStream::newDirectory('dir');28$fs->addChild($dir);29$dir->addChild(vfsStream::newFile('test.txt'));30$dir->chmod(0777);31$dir->chgrp(1000);32$dir->chown(1000);33$dir->touch(1000);34$dir->lock(vfsStreamContent::LOCK_EXCLUSIVE);35$dir->lock(vfsStreamContent::LOCK_SHARED);36$dir->unlock();37$this->assertFalse($dir->canAquireSharedLockIfAlreadySelfExclusivelyLocked());

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canAquireSharedLockIfAlreadySelfExclusivelyLocked

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1{2 public function canAquireSharedLockIfAlreadySelfExclusivelyLocked($resource)3 {4 return $this->canAquireSharedLockIfAlreadySelfExclusivelyLocked($resource);5 }6}7{8 public function testCanAquireSharedLockIfAlreadySelfExclusivelyLocked()9 {10 vfsStreamWrapperFlockTestCase::flock($resource, LOCK_EX);11 $this->assertFalse(vfsStreamWrapperFlockTestCase::flock($resource, LOCK_SH));12 fclose($resource);13 }14}15public function setUp()16 {17 $this->root = vfsStream::setup();18 vfsStream::newFile('2.txt')->at($this->root);19 }

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