assertSame('"1"', Json::encode($data)); // simple array encoding $data = array(1, 2); $this->assertSame('[1,2]', Json::encode($data)); $data = array('a' => 1, 'b' => 2); $this->assertSame('{"a":1,"b":2}', Json::encode($data)); // simple object encoding $data = new \stdClass(); $data->a = 1; $data->b = 2; $this->assertSame('{"a":1,"b":2}', Json::encode($data)); // expression encoding $expression = 'function () {}'; $data = new JsExpression($expression); $this->assertSame($expression, Json::encode($data)); // complex data $expression1 = 'function (a) {}'; $expression2 = 'function (b) {}'; $data = array( 'a' => array( 1, new JsExpression($expression1) ), 'b' => new JsExpression($expression2), ); $this->assertSame("{\"a\":[1,$expression1],\"b\":$expression2}", Json::encode($data)); // https://github.com/yiisoft/yii2/issues/957 $data = (object)null; $this->assertSame('{}', Json::encode($data)); } public function testDecode() { // basic data decoding $json = '"1"'; $this->assertSame('1', Json::decode($json)); // array decoding $json = '{"a":1,"b":2}'; $this->assertSame(array('a' => 1, 'b' => 2), Json::decode($json)); // exception $json = '{"a":1,"b":2'; $this->setExpectedException('yii\base\InvalidParamException'); Json::decode($json); } }