From ba34490aaed5f7c242c2b0453130fefc07d0d5d0 Mon Sep 17 00:00:00 2001
From: historia <[not public]>
Date: Mon, 29 Jun 2026 04:03:38 -0400
Subject: restructured project

---
 internal/tools/tools_test.go | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 internal/tools/tools_test.go

(limited to 'internal/tools/tools_test.go')

diff --git a/internal/tools/tools_test.go b/internal/tools/tools_test.go
new file mode 100644
index 0000000..22ac3d2
--- /dev/null
+++ b/internal/tools/tools_test.go
@@ -0,0 +1,36 @@
+package tools
+
+import (
+	"fmt"
+	"testing"
+
+	"tui-ascii-mapper/internal/model"
+)
+
+func TestDemotools(t *testing.T) {
+	m := model.NewMap("test", 10, 10, nil)
+	Brush(m, model.Point{X: 5, Y: 5}, 0, 3, nil)
+	if m.Grid[5][5].Terrain != 0 {
+		t.Fatal("Brush failed")
+	}
+	pts := BresenhamLine(model.Point{X: 0, Y: 0}, model.Point{X: 3, Y: 0})
+	if len(pts) != 4 || pts[0] != (model.Point{X: 0, Y: 0}) || pts[3] != (model.Point{X: 3, Y: 0}) {
+		t.Fatalf("Line failed: %v", pts)
+	}
+	if IntSqrt(25) != 5 || IntSqrt(26) != 5 || IntSqrt(0) != 0 {
+		t.Fatal("IntSqrt failed")
+	}
+	t2 := model.Terrain{Colors: []model.TerrainColor{{Color: "22", Weight: 100}}}
+	if t2.PickColor() != "22" {
+		t.Fatal("PickColor failed")
+	}
+	PlaceTextLabel(m, model.Point{X: 2, Y: 2}, "ABC", "")
+	if m.Grid[2][2].Text != "A" || m.Grid[2][3].Text != "B" {
+		t.Fatalf("TextLabel: %s,%s", m.Grid[2][2].Text, m.Grid[2][3].Text)
+	}
+	RemoveTextLabel(m, model.Point{X: 2, Y: 2})
+	if m.Grid[2][2].Text != "" {
+		t.Fatal("TextLabel remove failed")
+	}
+	fmt.Println("tools: ok")
+}
-- 
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