PHP Type::float方法代码示例

 /**
  * Float tests
  */
 public function testFloat()
 {
     $this->assertSame(1.0, Type::float(1));
     $this->assertSame(1.2, Type::float(1.2));
     $this->assertSame(0.2, Type::float(0.2));
     $this->assertSame(1.0, Type::float('1'));
     $this->assertSame(0.0, Type::float('test1'));
     $this->assertSame(1.0, Type::float('1test2'));
     $this->assertSame(0.0, Type::float([]));
     $this->assertSame(1.0, Type::float(['test']));
     $this->assertFalse(Type::isFloat(1));
     $this->assertFalse(Type::isFloat('1'));
     $this->assertTrue(Type::isFloat(1.2));
     $this->assertFalse(Type::isFloat([]));
 }

 /**
  * Scalar Cassandra types to be used by data providers
  */
 public function scalarCassandraTypes()
 {
     return array(array(Type::ascii(), array("a", "b", "c")), array(Type::bigint(), array(new Bigint("1"), new Bigint("2"), new Bigint("3"))), array(Type::blob(), array(new Blob("x"), new Blob("y"), new Blob("z"))), array(Type::boolean(), array(true, false, true, false)), array(Type::double(), array(1.1, 2.2, 3.3, 4.4)), array(Type::float(), array(new Float(1.0), new Float(2.2), new Float(2.2))), array(Type::inet(), array(new Inet("127.0.0.1"), new Inet("127.0.0.2"), new Inet("127.0.0.3"))), array(Type::text(), array("a", "b", "c", "x", "y", "z")), array(Type::timestamp(), array(new Timestamp(123), new Timestamp(456), new Timestamp(789))), array(Type::timeuuid(), array(new Timeuuid(0), new Timeuuid(1), new Timeuuid(2))), array(Type::uuid(), array(new Uuid("03398c99-c635-4fad-b30a-3b2c49f785c2"), new Uuid("03398c99-c635-4fad-b30a-3b2c49f785c3"), new Uuid("03398c99-c635-4fad-b30a-3b2c49f785c4"))), array(Type::varchar(), array("a", "b", "c", "x", "y", "z")), array(Type::varint(), array(new Varint(1), new Varint(2), new Varint(3))));
 }

 public function scalarTypes()
 {
     return array(array(Type::ascii(), "ascii"), array(Type::bigint(), new Bigint("9223372036854775807")), array(Type::blob(), new Blob("blob")), array(Type::boolean(), true), array(Type::counter(), new Bigint(123)), array(Type::decimal(), new Decimal("3.14159265359")), array(Type::double(), 3.14159), array(Type::float(), new Float(3.14159)), array(Type::inet(), new Inet("127.0.0.1")), array(Type::int(), 123), array(Type::text(), "text"), array(Type::timestamp(), new Timestamp(123)), array(Type::timeuuid(), new Timeuuid(0)), array(Type::uuid(), new Uuid("03398c99-c635-4fad-b30a-3b2c49f785c2")), array(Type::varchar(), "varchar"), array(Type::varint(), new Varint("9223372036854775808")));
 }

 /**
  * @param array  $values
  * @param string $key
  * @param float  $default
  * @return float
  */
 public static function float(array $values, $key, $default = 0.0)
 {
     if (isset($values[$key])) {
         return Type::float($values[$key]);
     }
     return $default;
 }

 /**
  * Paging advancement does not create memory leak
  *
  * This test will ensure that the driver does not create memory leaks
  * associated advancing to the next page of results.
  *
  * @test
  * @ticket PHP-101
  */
 public function testNoPagingMemoryLeak()
 {
     // Create the user types and table for the test
     $this->session->execute(new SimpleStatement("DROP TABLE {$this->tableNamePrefix}"));
     $this->session->execute(new SimpleStatement("CREATE TYPE price_history (time timestamp, price float)"));
     $priceHistory = Type::userType("time", Type::timestamp(), "price", Type::float());
     $this->session->execute(new SimpleStatement("CREATE TYPE purchase_stats (day_of_week int, total_purchases int)"));
     $purchaseStats = Type::userType("day_of_week", Type::int(), "total_purchases", Type::int());
     $this->session->execute(new SimpleStatement("CREATE TABLE {$this->tableNamePrefix} (id uuid PRIMARY KEY,\n                history frozen<price_history>, stats frozen<purchase_stats>,\n                comments text)"));
     // Populate the table with some random data
     $totalInserts = 500;
     $statement = $this->session->prepare("INSERT INTO {$this->tableNamePrefix}\n            (id, history, stats, comments) VALUES (?, ?, ?, ?)");
     foreach (range(1, $totalInserts) as $i) {
         // Create the values for the insert
         $history = $priceHistory->create("time", new Timestamp(mt_rand(1270094400000, 1459483200000)), "price", new Float(mt_rand(1, 1000) / 100));
         $stats = $purchaseStats->create("day_of_week", mt_rand(0, 6), "total_purchases", mt_rand(0, 1000));
         $values = array(new Uuid(), $history, $stats, $this->randomString());
         $options = new ExecutionOptions(array("arguments" => $values));
         $this->session->execute($statement, $options);
     }
     // Select all the rows in the table using paging
     $statement = new SimpleStatement("SELECT * FROM {$this->tableNamePrefix}");
     $options = new ExecutionOptions(array("page_size" => 2));
     $rows = $this->session->execute($statement, $options);
     // Validate paging and ensure all the rows were read
     $count = $this->validatePageResults($rows);
     $this->assertEquals($totalInserts, $count);
 }