adding test

Author: novalramdhani

php-unit/tests/JsonTest.php

@@ -9,8 +9,11 @@ class JsonTest extends TestCase
 {
     use JsonAssertions;
 
-    public function testIfTrue()
+    public function testIfJsonStringEqualsWithJsonString()
     {
-        $this->assertTrue(true);
+        $this->assertJsonStringEqualsJsonString(
+            json_encode(['name' => 'John Doe']),
+            json_encode(['name' => 'John Doe'])
+        );
     }
 }

php-unit/tests/MiscellaneousTest.php

@@ -42,4 +42,9 @@ public function testIfIsScalar()
         // Test if is not scalar type like (object, iterable, resource etc)
         $this->assertIsScalar(true);
     }
+
+    public function testIfNull()
+    {
+        $this->assertNull(null);
+    }
 }

php-unit/tests/NumberTest.php

@@ -42,4 +42,14 @@ public function testIfIsNumeric()
         // Failure if is not numeric number
         $this->assertIsNumeric(1000);
     }
+
+    public function testIfNumberLessThan()
+    {
+        $this->assertLessThan(10, 9);
+    }
+
+    public function testIfNumberLessThanOrEqual()
+    {
+        $this->assertLessThanOrEqual(1000, 1000);
+    }
 }