test scenario, test case and test script code example

Example: test scenario, test case and test script

Test scenario is a description of user’s multiple
actions that might face when using the applications. 
It is about what to test. It is high level of test cases.

Test script in software testing is a set of instructions
that will be performed on the system under test to test that
the system functions as expected.

Test case is documentation which specifies input
values,expected output and the preconditions for executing
the test. It is about how to test . 
It's a layout of the low-level details on
how to test the scenario