Increased coverage (#20)

* increased coverage

* gitignore updated

Author: czgdp1807

.gitignore

@@ -5,3 +5,4 @@ __pycache__/
 .vscode/
 .pytest_cache/
 pre_commit.ps1
+.coverage

pydatastructs/linear_data_structures/tests/test_arrays.py

@@ -4,10 +4,13 @@
 
 def test_OneDimensionalArray():
     ODA = OneDimensionalArray
-    assert ODA(int, 5, [1, 2, 3, 4, 5], init=6)
+    A = ODA(int, 5, [1, 2, 3, 4, 5], init=6)
+    assert A
     assert ODA(int, (1, 2, 3, 4, 5), 5)
     assert ODA(int, 5)
     assert ODA(int, [1, 2, 3])
+    raises(IndexError, lambda: A[7])
+    raises(IndexError, lambda: A[-1])
     raises(ValueError, lambda: ODA())
     raises(ValueError, lambda: ODA(int, 1, 2, 3))
     raises(TypeError, lambda: ODA(int, 5.0, set([1, 2, 3])))

pydatastructs/miscellaneous_data_structures/stack.py

@@ -80,7 +80,7 @@ def __new__(cls, maxsize=None, top=0, items=None, dtype=int):
         if not _check_type(maxsize, int):
             raise ValueError("maxsize is missing.")
         if not _check_type(top, int):
-            raise ValueError("top is missing.")
+            raise TypeError("top is not of type int.")
         if items == None:
             items = OneDimensionalArray(dtype, maxsize)
         if not _check_type(items, OneDimensionalArray):

pydatastructs/miscellaneous_data_structures/tests/test_stack.py

@@ -17,6 +17,9 @@ def test_Stack():
     assert s.top == 0
     raises(ValueError, lambda: s.pop())
     raises(ValueError, lambda: Stack())
+    raises(TypeError, lambda: Stack(maxsize=8, top=3.5))
     raises(ValueError, lambda: Stack(maxsize=5, top=0, items=[1, 2, 3]))
     raises(ValueError, lambda: Stack(maxsize=5, top=0,
-                        items=OneDimensionalArray(6)))
+                        items=OneDimensionalArray(int, 6)))
+    raises(NotImplementedError, lambda: Stack(implementation='',
+                                    maxsize=5, top=0))

pydatastructs/trees/tests/test_binary_trees.py

@@ -24,8 +24,11 @@ def test_BinarySearchTree():
     assert b.search(10) == None
     assert b.delete(3) == True
     assert b.search(3) == None
+    assert b.delete(13) == None
     assert str(b) == \
     ("[(1, 8, 8, 7), (3, 4, 4, 4), (None, 10, 10, 7), (None, 1, 1, None), "
     "(None, 6, 6, 6), (None, 4, 4, None), (None, 7, 7, None), (None, 14, 14, None), "
     "(None, 13, 13, None)]")
+    bc = BST(1, 1)
+    assert bc.insert(1, 2) == None
     raises(ValueError, lambda: BST(root_data=6))

pydatastructs/trees/tests/test_space_partitioning_tree.py

@@ -5,8 +5,6 @@ def test_OneDimensionalSegmentTree():
     ODST = OneDimensionalSegmentTree
     segt = ODST([(0, 5), (1, 6), (9, 13), (1, 2), (3, 8), (9, 20)])
     assert segt.cache == False
-    segt.build()
-    assert segt.cache == True
     segt2 = ODST([(1, 4)])
     assert str(segt2) == ("[(None, [False, 0, 1, False], None, None), "
     "(None, [True, 1, 1, True], ['(None, [True, 1, 4, True], None, None)'], "
@@ -16,6 +14,7 @@ def test_OneDimensionalSegmentTree():
     "None, 5), (None, [False, 4, 5, False], None, None), (-3, [False, 0, 5, "
     "False], None, -2)]")
     assert len(segt.query(1.5)) == 3
+    assert segt.cache == True
     assert len(segt.query(-1)) == 0
     assert len(segt.query(2.8)) == 2
     raises(ValueError, lambda: ODST([(1, 2, 3)]))