diff options
Diffstat (limited to 'pkg/stack')
-rw-r--r-- | pkg/stack/stack-stack.go | 91 | ||||
-rw-r--r-- | pkg/stack/stack-stack_test.go | 251 | ||||
-rw-r--r-- | pkg/stack/stack.go | 51 | ||||
-rw-r--r-- | pkg/stack/stack_test.go | 74 |
4 files changed, 0 insertions, 467 deletions
diff --git a/pkg/stack/stack-stack.go b/pkg/stack/stack-stack.go deleted file mode 100644 index 9b80079..0000000 --- a/pkg/stack/stack-stack.go +++ /dev/null @@ -1,91 +0,0 @@ -package stack - -import ( - "git.adyxax.org/adyxax/gofunge/pkg/pointer" -) - -type StackStack struct { - head *Stack - height int -} - -func NewStackStack() *StackStack { - return &StackStack{ - head: NewStack(), - height: 1, - } -} - -func (ss *StackStack) Begin(p *pointer.Pointer) { - ss.height++ - soss := ss.head - n := soss.Pop() - np := n - if np < 0 { - np = -np - } - toss := &Stack{ - size: np, - height: np, - data: make([]int, np), - next: soss, - } - ss.head = toss - max := n - soss.height - if max < 0 { - max = 0 - } - for i := n - 1; i >= max; i-- { - toss.data[i] = soss.data[soss.height-n+i] - } - x, y := p.GetStorageOffset() - soss.Push(x) - soss.Push(y) - p.CalculateNewStorageOffset() -} - -func (ss *StackStack) End(p *pointer.Pointer) (reflect bool) { - if ss.height == 1 { - return true - } - soss := ss.head.next - n := ss.head.Pop() - y := soss.Pop() - x := soss.Pop() - p.SetStorageOffset(x, y) - if n > 0 { - soss.height += n - if soss.size < soss.height { - soss.data = append(soss.data, make([]int, soss.height-soss.size)...) - soss.size = soss.height - } - for i := n; i > 0; i-- { - soss.data[soss.height-i] = ss.head.data[ss.head.height-i] - } - } else { - soss.height += n - if soss.height < 0 { - soss.height = 0 - } - } - ss.height-- - ss.head = ss.head.next - return false -} - -func (ss *StackStack) Under() (reflect bool) { - if ss.height == 1 { - return true - } - n := ss.head.Pop() - if n > 0 { - for i := 0; i < n; i++ { - ss.head.Push(ss.head.next.Pop()) - } - } else { - for i := 0; i < -n; i++ { - ss.head.next.Push(ss.head.Pop()) - } - } - return false -} diff --git a/pkg/stack/stack-stack_test.go b/pkg/stack/stack-stack_test.go deleted file mode 100644 index d2a7949..0000000 --- a/pkg/stack/stack-stack_test.go +++ /dev/null @@ -1,251 +0,0 @@ -package stack - -import ( - "os" - "testing" - - "git.adyxax.org/adyxax/gofunge/pkg/field" - "git.adyxax.org/adyxax/gofunge/pkg/pointer" - "github.com/stretchr/testify/require" -) - -func TestBegin(t *testing.T) { - t.Run("empty", func(t *testing.T) { - expected := NewStackStack() - expected.head = &Stack{data: make([]int, 0), next: expected.head} - expected.head.next.Push(0) - expected.head.next.Push(0) - expected.height++ - ss := NewStackStack() - p := pointer.NewPointer() - ss.Begin(p) - require.Equal(t, expected, ss) - x, y := p.GetStorageOffset() - require.Equal(t, 1, x) - require.Equal(t, 0, y) - // Let's push another one - expected.head = &Stack{data: make([]int, 0), next: expected.head} - expected.head.next.Push(1) - expected.head.next.Push(0) - expected.height++ - ss.Begin(p) - require.Equal(t, expected, ss) - x, y = p.GetStorageOffset() - require.Equal(t, 1, x) - require.Equal(t, 0, y) - }) - t.Run("negative", func(t *testing.T) { - expected := NewStackStack() - expected.head = &Stack{size: 5, height: 5, data: make([]int, 5), next: expected.head} - expected.head.next.Push(0) - expected.head.next.Push(0) - expected.height++ - p := pointer.NewPointer() - file, err := os.Open("../field/test_data/hello.b98") - require.NoError(t, err, "Failed to open file") - f, err := field.Load(file) - p.Step(*f) - ss := NewStackStack() - ss.head.Push(-5) - ss.Begin(p) - require.Equal(t, expected, ss) - x, y := p.GetStorageOffset() - require.Equal(t, 2, x) - require.Equal(t, 0, y) - }) - t.Run("ask to copy more than we have", func(t *testing.T) { - expected := NewStackStack() - expected.head = &Stack{size: 34, height: 34, data: make([]int, 34), next: expected.head} - expected.head.data[33] = 18 - expected.head.next.Push(18) - expected.head.next.Push(2) - expected.head.next.Push(3) - expected.height++ - p := pointer.NewPointer() - p.SetStorageOffset(2, 3) - file, err := os.Open("../field/test_data/hello.b98") - require.NoError(t, err, "Failed to open file") - f, err := field.Load(file) - p.Step(*f) - ss := NewStackStack() - ss.head.Push(18) - ss.head.Push(34) - ss.Begin(p) - require.Equal(t, expected, ss) - x, y := p.GetStorageOffset() - require.Equal(t, 2, x) - require.Equal(t, 0, y) - }) - t.Run("normal", func(t *testing.T) { - expected := NewStackStack() - expected.head = &Stack{size: 4, height: 4, data: []int{12, 14, -2, 5}, next: expected.head} - expected.head.next.Push(7) - expected.head.next.Push(12) - expected.head.next.Push(14) - expected.head.next.Push(-2) - expected.head.next.Push(5) - expected.head.next.Push(36) - expected.head.next.Push(42) - expected.height++ - p := pointer.NewPointer() - p.SetStorageOffset(36, 42) - ss := NewStackStack() - ss.head.Push(7) - ss.head.Push(12) - ss.head.Push(14) - ss.head.Push(-2) - ss.head.Push(5) - ss.head.Push(4) - ss.Begin(p) - require.Equal(t, expected, ss) - }) -} - -func TestEnd(t *testing.T) { - t.Run("empty", func(t *testing.T) { - expected := NewStackStack() - p := pointer.NewPointer() - ss := NewStackStack() - ss.Begin(p) - reflect := ss.End(p) - require.Equal(t, false, reflect) - require.Equal(t, expected, ss) - }) - t.Run("drop", func(t *testing.T) { - expected := NewStackStack() - expected.head.Push(7) - expected.head.Push(12) - expected.head.Push(14) - expected.head.Push(-2) - expected.head.Push(5) - expected.head.Pop() - expected.head.Pop() - expected.head.Pop() - p := pointer.NewPointer() - ss := NewStackStack() - ss.head.Push(7) - ss.head.Push(12) - ss.head.Push(14) - ss.head.Push(-2) - ss.head.Push(5) - ss.head.Push(0) - ss.Begin(p) - ss.head.Push(18) - ss.head.Push(42) - ss.head.Push(-3) - reflect := ss.End(p) - require.Equal(t, false, reflect) - require.Equal(t, expected, ss) - }) - t.Run("drop too much", func(t *testing.T) { - expected := NewStackStack() - p := pointer.NewPointer() - ss := NewStackStack() - ss.Begin(p) - ss.head.Push(-3) - reflect := ss.End(p) - require.Equal(t, false, reflect) - require.Equal(t, expected, ss) - }) - t.Run("reflect", func(t *testing.T) { - expected := NewStackStack() - p := pointer.NewPointer() - ss := NewStackStack() - reflect := ss.End(p) - require.Equal(t, true, reflect) - require.Equal(t, expected, ss) - }) - t.Run("transfert", func(t *testing.T) { - expected := NewStackStack() - expected.head.size = 5 - expected.head.data = make([]int, 5) - expected.head.Push(7) - expected.head.Push(12) - expected.head.Push(14) - expected.head.Push(-2) - expected.head.Push(5) - p := pointer.NewPointer() - ss := NewStackStack() - ss.head.size = 4 - ss.head.data = make([]int, 4) - ss.head.Push(7) - ss.head.Push(0) - ss.Begin(p) - ss.head.Push(0) - ss.head.Push(18) - ss.head.Push(42) - ss.head.Push(7) - ss.head.Push(12) - ss.head.Push(14) - ss.head.Push(-2) - ss.head.Push(5) - ss.head.Push(4) - reflect := ss.End(p) - require.Equal(t, false, reflect) - require.Equal(t, expected, ss) - }) -} - -func TestUnder(t *testing.T) { - t.Run("empty", func(t *testing.T) { - expected := NewStackStack() - ss := NewStackStack() - reflect := ss.Under() - require.Equal(t, true, reflect) - require.Equal(t, expected, ss) - }) - t.Run("positive", func(t *testing.T) { - pe := pointer.NewPointer() - expected := NewStackStack() - expected.head.Push(1) - expected.head.Push(2) - expected.head.Push(3) - expected.head.Push(6) - expected.head.Push(0) - expected.Begin(pe) - expected.head.Push(0) - expected.head.Push(0) - expected.head.Push(6) - expected.head.next.Pop() - expected.head.next.Pop() - expected.head.next.Pop() - p := pointer.NewPointer() - ss := NewStackStack() - ss.head.Push(1) - ss.head.Push(2) - ss.head.Push(3) - ss.head.Push(6) - ss.head.Push(0) - ss.Begin(p) - ss.head.Push(3) - reflect := ss.Under() - require.Equal(t, false, reflect) - require.Equal(t, expected, ss) - }) - t.Run("negative", func(t *testing.T) { - pe := pointer.NewPointer() - expected := NewStackStack() - expected.Begin(pe) - expected.head.next.Push(12) - expected.head.next.Push(5) - expected.head.next.Push(8) - expected.head.Push(8) - expected.head.Push(5) - expected.head.Push(12) - expected.head.Push(-3) - expected.head.Pop() - expected.head.Pop() - expected.head.Pop() - expected.head.Pop() - p := pointer.NewPointer() - ss := NewStackStack() - ss.Begin(p) - ss.head.Push(8) - ss.head.Push(5) - ss.head.Push(12) - ss.head.Push(-3) - reflect := ss.Under() - require.Equal(t, false, reflect) - require.Equal(t, expected, ss) - }) -} diff --git a/pkg/stack/stack.go b/pkg/stack/stack.go deleted file mode 100644 index 4dbb72c..0000000 --- a/pkg/stack/stack.go +++ /dev/null @@ -1,51 +0,0 @@ -package stack - -type Stack struct { - size int - height int - data []int - next *Stack // Pointer to the next element in the stack stack -} - -func NewStack() *Stack { - return &Stack{ - size: 32, - height: 0, - data: make([]int, 32), - next: nil, - } -} - -func (s *Stack) Clear() { - s.height = 0 -} - -func (s *Stack) Duplicate() { - if s.height > 0 { - s.Push(s.data[s.height-1]) - } -} - -func (s *Stack) Pop() int { - if s.height > 0 { - s.height-- - return s.data[s.height] - } - return 0 -} - -func (s *Stack) Push(value int) { - if s.height >= s.size { - s.size += 32 - s.data = append(s.data, make([]int, 32)...) - } - s.data[s.height] = value - s.height++ -} - -func (s *Stack) Swap() { - a := s.Pop() - b := s.Pop() - s.Push(a) - s.Push(b) -} diff --git a/pkg/stack/stack_test.go b/pkg/stack/stack_test.go deleted file mode 100644 index e48c615..0000000 --- a/pkg/stack/stack_test.go +++ /dev/null @@ -1,74 +0,0 @@ -package stack - -import ( - "testing" - - "github.com/stretchr/testify/require" -) - -func TestClear(t *testing.T) { - s := NewStack() - s.Clear() - require.Equal(t, 0, s.height) -} - -func TestDupicate(t *testing.T) { - s := NewStack() - s2 := NewStack() - s.Duplicate() - require.Equal(t, s2.height, s.height) - s.Push(12) - s.Duplicate() - s2.Push(12) - s2.Push(12) - require.Equal(t, s2.height, s.height) - require.Equal(t, s2.data, s.data) -} - -func TestPop(t *testing.T) { - s := NewStack() - v := s.Pop() - require.Equal(t, 0, v) - s.Push(12) - s.Push(14) - v = s.Pop() - require.Equal(t, 14, v) - v = s.Pop() - require.Equal(t, 12, v) - v = s.Pop() - require.Equal(t, 0, v) -} - -func TestPush(t *testing.T) { - s := NewStack() - for i := 0; i < 32; i++ { - s.Push(i) - } - require.Equal(t, 32, s.size) - s.Push(-1) - require.Equal(t, 64, s.size) -} - -func TestSwap(t *testing.T) { - s := NewStack() - s2 := NewStack() - s.Swap() - s2.Push(0) - s2.Push(0) - require.Equal(t, s2, s) - s.Clear() - s.Push(1) - s.Swap() - s2.Clear() - s2.Push(1) - s2.Push(0) - require.Equal(t, s2, s) - s.Clear() - s.Push(1) - s.Push(2) - s2.Clear() - s2.Push(2) - s2.Push(1) - s.Swap() - require.Equal(t, s2, s) -} |