Added tests for negative values

Volantus · Jan 11, 2018 · 19b7c9b · 19b7c9b
1 parent a0dd317
commit 19b7c9b
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Showing 2 changed files with 33 additions and 0 deletions.
diff --git a/tests/BitBangingInterfaceTest.php b/tests/BitBangingInterfaceTest.php
@@ -173,6 +173,17 @@ public function test_transfer_tooBig()
         $this->interface->transfer([1024]);
     }
 
+    /**
+     * @expectedException \Volantus\BerrySpi\InvalidArgumentException
+     * @expectedExceptionMessage Invalid data given => no negative values allowed
+     */
+    public function test_transfer_negative()
+    {
+        $this->interface = new BitBangingInterface(12, 16, 20, 21, 512, 0);
+        $this->interface->open();
+        $this->interface->transfer([-1]);
+    }
+
     /**
      * For this test GPIO16 (MISO) and GPIO20 (MOSI) pins needs to be connected (e.g. jumper cable)
      */

diff --git a/tests/RegularInterfaceTest.php b/tests/RegularInterfaceTest.php
@@ -144,6 +144,17 @@ public function test_transfer_tooBig()
         $this->interface->transfer([1024]);
     }
 
+    /**
+     * @expectedException \Volantus\BerrySpi\InvalidArgumentException
+     * @expectedExceptionMessage Invalid data given => no negative values allowed
+     */
+    public function test_transfer_negative()
+    {
+        $this->interface = new RegularInterface(1, 32000, 0);
+        $this->interface->open();
+        $this->interface->transfer([-1]);
+    }
+
     /**
      * For this test SPI_MISO (GPIO09) and SPI_MOSI (GPIO10) pins needs to be connected (e.g. jumper cable)
      */
@@ -209,6 +220,17 @@ public function test_write_tooBig()
         $this->interface->write([1024]);
     }
 
+    /**
+     * @expectedException \Volantus\BerrySpi\InvalidArgumentException
+     * @expectedExceptionMessage Invalid data given => no negative values allowed
+     */
+    public function test_write_negative()
+    {
+        $this->interface = new RegularInterface(1, 32000, 0);
+        $this->interface->open();
+        $this->interface->write([-1]);
+    }
+
     public function test_getChannel_correct()
     {
         $interface = new RegularInterface(2, 32000, 0);