@@ -33,7 +33,9 @@ public function testNewInstance(): void
3333 */
3434 public function testNewInstanceWithValidArgument (): void
3535 {
36- $ this ->assertInstanceOf (CallableArrayObject::class, (new CallableArrayObject ([function ($ e ){return $ e +1 ;}])));
36+ $ this ->assertInstanceOf (CallableArrayObject::class, (new CallableArrayObject ([function ($ e ) {
37+ return $ e +1 ;
38+ }])));
3739 }
3840
3941 /**
@@ -42,24 +44,28 @@ public function testNewInstanceWithValidArgument(): void
4244 public function testSetValueWithValidArgument (): void
4345 {
4446 $ callableArray = new CallableArrayObject ();
45- $ callableArray [] = function ($ e ){return $ e +1 ;};
46-
47+ $ callableArray [] = function ($ e ) {
48+ return $ e +1 ;
49+ };
50+
4751 $ this ->assertSame (1 , $ this ->count ($ callableArray ));
48- $ this ->assertSame (true , is_callable ($ callableArray [0 ]));
52+ $ this ->assertSame (true , \ is_callable ($ callableArray [0 ]));
4953 }
50-
54+
5155 /**
5256 * Test append value with valid argument.
5357 */
5458 public function testAppendValueWithValidArgument (): void
5559 {
5660 $ callableArray = new CallableArrayObject ();
57- $ callableArray ->append (function ($ e ){return $ e +1 ;});
58-
61+ $ callableArray ->append (function ($ e ) {
62+ return $ e +1 ;
63+ });
64+
5965 $ this ->assertSame (1 , $ this ->count ($ callableArray ));
60- $ this ->assertSame (true , is_callable ($ callableArray [0 ]));
66+ $ this ->assertSame (true , \ is_callable ($ callableArray [0 ]));
6167 }
62-
68+
6369 /**
6470 * Provide invalid typed arrays.
6571 *
@@ -80,13 +86,13 @@ public function invalidArrayProvider(): array
8086
8187 /**
8288 * Test new instance with invalid argument.
83- *
89+ *
8490 * @dataProvider invalidArrayProvider
8591 */
8692 public function testNewInstanceWithInvalidArgument (array $ array ): void
8793 {
8894 $ this ->expectException (InvalidArgumentException::class);
89-
95+
9096 $ callableArray = new CallableArrayObject ($ array );
9197 }
9298
@@ -110,26 +116,26 @@ public function invalidValueProvider(): array
110116
111117 /**
112118 * Test set value with invalid argument.
113- *
119+ *
114120 * @dataProvider invalidValueProvider
115121 */
116122 public function testSetValueWithInvalidArgument ($ value ): void
117123 {
118124 $ this ->expectException (InvalidArgumentException::class);
119-
125+
120126 $ callableArray = new CallableArrayObject ();
121127 $ callableArray [] = $ value ;
122128 }
123129
124130 /**
125131 * Test append value with invalid argument.
126- *
132+ *
127133 * @dataProvider invalidValueProvider
128134 */
129135 public function testAppendValueWithInvalidArgument ($ value ): void
130136 {
131137 $ this ->expectException (InvalidArgumentException::class);
132-
138+
133139 $ callableArray = new CallableArrayObject ();
134140 $ callableArray ->append ($ value );
135141 }
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