CHALLENGE

ACTIVITY

$1\mathrm{.}8\mathrm{.}2$: Unit testing of a class.

Write a unit test to show that the InventoryTag class method addinventory$()$ has an error. First, call redSweater.addInventory$()$ with sweaterShipment as the argument. Then, print the following error message if the updated quantity is not the sum of sweaterInventoryBefore and sweaterShipment. Sample output for failed unit test given sweaterInventoryBefore is $0$ and sweaterShipment is $5$ :

Beginning tests.

UNIT TEST FAILED: addInventory$()$

Tests complete.

Note: UNIT TEST FAILED is preceded by $3$ spaces.

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