Adding new OCL Library content

1. Start adding a test by typing the following at the end of the testlib.oclx file (but before the endtests token) in the OCL editor:
   test myTest:
  let class : Class = getClassByName('C1')
  expected classy.name = 'C1'
   As soon as you type the test in the editor area, the new test appears at the bottom of the Outline view.

   

   In addition,
   • error icons appear in the Package Explorer view
   • errors appear in the Problems view,
   • error icons appear in the Outline view,
   • error annotations (red boxes) appear in the overview ruler positioned on the right hand side of the editor,
   • error icons appear in the vertical ruler positioned on the left of the editor,
   • an error indicator appears in the top right corner of the editor,
   • errors are marked in the text.
   These error annotations indicate that the library is semantically incorrect. If you hover over an error icon, a tool tip appears: Unrecognized variable: (classy). This is correct since the variable is unknown.

   

2. Correct the new test by changing the name of the variable to class.
3. Notice that the error indicators disappear since the unknown variable has been removed.

Next Section: Using content assist

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