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package model
import "testing"
func TestNewMap(t *testing.T) {
m := NewMap("test", 10, 5, nil)
if m.Width != 10 || m.Height != 5 {
t.Fatalf("NewMap size: got %dx%d", m.Width, m.Height)
}
if m.Grid[0][0].Terrain != -1 {
t.Fatal("NewMap: grid not initialized to -1")
}
if len(m.Grid) != 5 || len(m.Grid[0]) != 10 {
t.Fatal("NewMap: grid dimensions wrong")
}
}
func TestClone(t *testing.T) {
m := NewMap("test", 10, 5, nil)
m2 := m.Clone()
m2.Grid[0][0].Terrain = 0
if m.Grid[0][0].Terrain != -1 {
t.Fatal("Clone shares data")
}
}
func TestInBounds(t *testing.T) {
m := NewMap("test", 10, 5, nil)
if !m.InBounds(Point{X: 0, Y: 0}) {
t.Fatal("InBounds(0,0) should be true")
}
if m.InBounds(Point{X: -1, Y: 0}) {
t.Fatal("InBounds(-1,0) should be false")
}
if m.InBounds(Point{X: 0, Y: 5}) {
t.Fatal("InBounds(0,5) should be false")
}
if m.InBounds(Point{X: 10, Y: 0}) {
t.Fatal("InBounds(10,0) should be false")
}
}
func TestSetGetCell(t *testing.T) {
m := NewMap("test", 10, 5, nil)
m.SetCell(Point{X: 1, Y: 2}, 5, "red")
c := m.CellAt(Point{X: 1, Y: 2})
if c.Terrain != 5 || c.Color != "red" {
t.Fatalf("SetCell/GetCell: got %d,%s", c.Terrain, c.Color)
}
}
func TestUndoStack(t *testing.T) {
u := &UndoStack{}
m := NewMap("test", 3, 3, nil)
u.Push(m)
m.SetCell(Point{X: 1, Y: 1}, 2, "green")
u.Push(m)
m.SetCell(Point{X: 2, Y: 2}, 3, "blue")
if entry := u.Undo(); entry != nil {
*entry.Target = *entry.State
}
if m.CellAt(Point{X: 2, Y: 2}).Terrain != -1 {
t.Fatal("Undo failed")
}
}
func TestClamp(t *testing.T) {
if Clamp(5, 0, 10) != 5 {
t.Fatal("Clamp middle")
}
if Clamp(-1, 0, 10) != 0 {
t.Fatal("Clamp low")
}
if Clamp(11, 0, 10) != 10 {
t.Fatal("Clamp high")
}
}
func TestPickColor(t *testing.T) {
tc := Terrain{Colors: []TerrainColor{{Color: "22", Weight: 100}}}
if tc.PickColor() != "22" {
t.Fatal("PickColor single failed")
}
tc2 := Terrain{}
if tc2.PickColor() != "0" {
t.Fatal("PickColor empty failed")
}
}
func TestTerrainSymbol(t *testing.T) {
tr := Terrain{Symbol: "X", ASCII: "x"}
if tr.GetSymbol(true) != "X" {
t.Fatal("Unicode symbol")
}
if tr.GetSymbol(false) != "x" {
t.Fatal("ASCII symbol")
}
}
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