Add tests for thrown DateMalformedIntervalStringException

Author: sunkan

tests/PHPStan/Rules/Exceptions/CatchWithUnthrownExceptionRuleTest.php

@@ -141,6 +141,10 @@ public function testRule(): void
 				'Dead catch - ArithmeticError is never thrown in the try block.',
 				762,
 			],
+			[
+				'Dead catch - DateMalformedIntervalStringException is never thrown in the try block.',
+				800,
+			],
 		]);
 	}
 
@@ -233,6 +237,10 @@ public function testRuleWithoutReportingUncheckedException(): void
 				'Dead catch - Exception is never thrown in the try block.',
 				555,
 			],
+			[
+				'Dead catch - DateMalformedIntervalStringException is never thrown in the try block.',
+				800,
+			],
 		]);
 	}
 

tests/PHPStan/Rules/Exceptions/data/unthrown-exception.php

@@ -790,3 +790,24 @@ public function doFoo(int $int, int $negativeInt, int $positiveInt): void
 	}
 
 }
+
+class TestDateIntervalCreateFromDateString
+{
+	public function doFoo(): void
+	{
+		try {
+			\DateInterval::createFromDateString('P10D');
+		} catch (\DateMalformedIntervalStringException $e) {
+
+		}
+	}
+
+	public function doBar(): void
+	{
+		try {
+			\DateInterval::createFromDateString('invalid');
+		} catch (\DateMalformedIntervalStringException $e) {
+
+		}
+	}
+}