Add test case for #53

[NoahDragon]

No description provided.

[coveralls]

Coverage increased (+1.8%) to 89.189% when pulling 5f6284c on Add-test-case-for-#53 into 924a843 on master.

[coveralls]

Coverage increased (+1.8%) to 89.189% when pulling 97ab545 on Add-test-case-for-#53 into 924a843 on master.

[coveralls]

Coverage increased (+1.8%) to 89.189% when pulling 97ab545 on Add-test-case-for-#53 into 924a843 on master.

[coveralls]

Coverage increased (+1.8%) to 89.189% when pulling 0d0b385 on Add-test-case-for-#53 into 924a843 on master.

[coveralls]

Coverage increased (+1.8%) to 89.189% when pulling 0d0b385 on Add-test-case-for-#53 into 924a843 on master.

[coveralls]

Coverage increased (+1.8%) to 89.189% when pulling 0d0b385 on Add-test-case-for-#53 into 924a843 on master.

[coveralls]

Coverage increased (+1.8%) to 89.189% when pulling 7e3ce09 on Add-test-case-for-#53 into 924a843 on master.

[coveralls]

Coverage increased (+1.8%) to 89.189% when pulling 7e3ce09 on Add-test-case-for-#53 into 924a843 on master.

[coveralls]

Coverage increased (+1.8%) to 89.189% when pulling 2a89fb0 on Add-test-case-for-#53 into 924a843 on master.