import unittest include ../src/stack suite "Stack": test "Pop": var empty = NewStack() check empty[].Pop() == 0 var simple = NewStack() simple.data[0] = 1 simple.data[1] = 5 simple.height = 2 check simple[].Pop() == 5 check simple[].Pop() == 1 check simple[].Pop() == 0 test "Push": var s = NewStack() check s.height == 0 check s.data[0] == 0 check s.data[1] == 0 check s.data[2] == 0 s[].Push(5) check s.height == 1 check s.data[0] == 5 check s.data[1] == 0 check s.data[2] == 0 s[].Push(-2) check s.height == 2 check s.data[0] == 5 check s.data[1] == -2 check s.data[2] == 0 for i in 0..30: s[].Push(i) check s.size == 64 test "PopVector": var empty = NewStack() check empty[].PopVector() == (0, 0) check empty.height == 0 var some = NewStack() some[].Push(2) check some[].PopVector() == (0, 2) check some.height == 0 var full = NewStack() full[].Push(1) full[].Push(2) full[].Push(3) check full[].PopVector() == (2, 3) check full.height == 1 test "PushVector": var s = NewStack() check s.height == 0 check s.data[0] == 0 check s.data[1] == 0 check s.data[2] == 0 s[].PushVector((5, -3)) check s.height == 2 check s.data[0] == 5 check s.data[1] == -3 check s.data[2] == 0 for i in 0..15: s[].PushVector((i, i+1)) check s.size == 64 test "Clear": var empty: Stack empty.Clear() check empty.height == 0 var some = NewStack() some[].Push(1) some[].Push(2) some[].Clear() check some.height == 0 test "Duplicate": var empty = NewStack() empty[].Duplicate() check empty.height == 2 check empty.data[0] == 0 check empty.data[1] == 0 var some = NewStack() some[].Push(2) some[].Push(-4) some[].Duplicate() check some.height == 3 check some.data[0] == 2 check some.data[1] == -4 check some.data[2] == -4 check some.data[3] == 0 test "Swap": var empty = NewStack() empty[].Swap() check empty.height == 2 check empty.data[0] == 0 check empty.data[1] == 0 var some = NewStack() some[].Push(2) some[].Push(-4) some[].Push(7) some[].Swap() check some.height == 3 check some.data[0] == 2 check some.data[1] == 7 check some.data[2] == -4 check some.data[3] == 0 test "Transfert": var empty = NewStack() var empty2 = NewStack() empty[].Transfert(empty2[], 4) check empty.height == 4 check empty2.height == 0 check empty.data[0] == 0 check empty.data[1] == 0 check empty.data[2] == 0 check empty.data[3] == 0 empty[].Transfert(empty2[], 32) check empty.size == 64 empty = NewStack() var some = NewStack() some[].Push(2) empty[].Transfert(some[], 3) check empty.height == 3 check some.height == 0 check empty.data[0] == 0 check empty.data[1] == 0 check empty.data[2] == 2 empty = NewStack() var full = NewStack() full[].Push(1) full[].Push(2) full[].Push(3) empty[].Transfert(full[], 2) check empty.height == 2 check full.height == 1 check full.data[0] == 1 check empty.data[0] == 2 check empty.data[1] == 3 test "Discard": var empty = NewStack() empty[].Discard(1) check empty.height == 0 empty[].Push(2) empty[].Discard(3) check empty.height == 0 test "Next": var empty = NewStack() check empty[].Next() == nil var some = NewStack(next = empty) check some[].Next() == empty