created tests for the BaselineCorrection class

(refs idaholab#296)

.gitignore

@@ -26,6 +26,8 @@ peacock_run_exe_tmp.i
 *.py
 *.pyc
 !python/**/*.py
+!doc/**/*.py
+!test/**/*.py
 **/.ipynb_checkpoints
 
 # Allow certain files in gold directories
@@ -53,4 +55,4 @@ doc/doxygen/html
 !doc/content/media/**/*.png
 
 # Allow CSV in data directory
-!tests/data/**/*.csv
+!test/tests/data/**/*.csv

test/tests/functions/baseline_correction/errors.i

@@ -0,0 +1,27 @@
+[Mesh]
+  type = GeneratedMesh
+  dim = 1
+[]
+
+[Problem]
+  solve = false
+[]
+
+[Functions]
+  [function]
+    type = PiecewiseLinear
+    x = '0 1'
+    y = '0 1'
+  []
+  [bad_function]
+    type = ConstantFunction
+  []
+  [error_test]
+    type = BaselineCorrection
+    function = function
+  []
+[]
+
+[Executioner]
+  type = Steady
+[]