Merge pull request #173 from sakhunzai/4.9.x

Non-variadic parameter should not throw exception when calling `ParameterGenerator#setVariadic(false)` with an existing default value

Author: Ocramius

src/Generator/ParameterGenerator.php

@@ -256,12 +256,12 @@ public function setPassedByReference($passedByReference)
      */
     public function setVariadic($variadic)
     {
-        if (isset($this->defaultValue)) {
+        $this->variadic = (bool) $variadic;
+
+        if (true === $this->variadic && isset($this->defaultValue)) {
             throw new Exception\InvalidArgumentException('Variadic parameter cannot have a default value');
         }
 
-        $this->variadic = (bool) $variadic;
-
         return $this;
     }
 

test/Generator/ParameterGeneratorTest.php

@@ -550,6 +550,19 @@ public function testAssigningDefaultValueToVariadicParameterThrowsInvalidArgumen
         $parameter->setDefaultValue([]);
     }
 
+    public function testAssigningDefaultValueToNonVariadicParameter(): void
+    {
+        $parameter = new ParameterGenerator();
+
+        $parameter->setName('parameter');
+        $parameter->setType('int');
+        $parameter->setPosition(1);
+        $parameter->setVariadic(false);
+        self::assertSame('int $parameter', $parameter->generate());
+        $parameter->setDefaultValue(7);
+        self::assertSame('int $parameter = 7', $parameter->generate());
+    }
+
     public function testMakingParameterVariadicWithExistingDefaultValueThrowsInvalidArgumentException(): void
     {
         $parameter = new ParameterGenerator();
@@ -566,6 +579,19 @@ public function testMakingParameterVariadicWithExistingDefaultValueThrowsInvalid
         $parameter->setVariadic(true);
     }
 
+    public function testMakingParameterNonVariadicWithExistingDefaultValue(): void
+    {
+        $parameter = new ParameterGenerator();
+
+        $parameter->setName('parameter');
+        $parameter->setType('int');
+        $parameter->setPosition(1);
+        $parameter->setDefaultValue(7);
+        self::assertSame('int $parameter = 7', $parameter->generate());
+        $parameter->setVariadic(false);
+        self::assertSame('int $parameter = 7', $parameter->generate());
+    }
+
     #[Group('zendframework/zend-code#29')]
     public function testGetInternalClassDefaultParameterValue()
     {