Added regression test for sebastianbergmann#3602

MichelHartmann · Apr 30, 2019 · 5ba91cb · 5ba91cb
1 parent f427c03
commit 5ba91cb
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/tests/unit/Framework/MockObject/Builder/InvocationMockerTest.php b/tests/unit/Framework/MockObject/Builder/InvocationMockerTest.php
@@ -176,4 +176,18 @@ public function testWillReturnValidTypeForLowercaseMethod(): void
 
         $this->assertEquals(true, $mock->methodWithBoolReturnTypeDeclaration());
     }
+
+    /**
+     * @see https://github.com/sebastianbergmann/phpunit/issues/3602
+     */
+    public function testWillReturnFailsWhenTryingToReturnValueFromVoidMethod() : void
+    {
+        /** @var ClassWithAllPossibleReturnTypes|\PHPUnit\Framework\MockObject\MockObject $out */
+        $out = $this->createMock(ClassWithAllPossibleReturnTypes::class);
+        $method = $out->method('methodWithVoidReturnTypeDeclaration');
+
+        $this->expectException(IncompatibleReturnValueException::class);
+        $this->expectExceptionMessage('Method methodWithVoidReturnTypeDeclaration may not return value of type boolean');
+        $method->willReturn(true);
+    }
 }