initial approximation

pkg/generator/draw/draw_test.go

@@ -0,0 +1,82 @@
+package draw_test
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/iliadenisov/galaxy/pkg/generator/draw"
+)
+
+func Test_CreatePlot(t *testing.T) {
+	var pane = draw.New(10, 10)
+	if len(draw.PixelsHolder(&pane)) != 4 {
+		t.Errorf("wrong Pane data size, expected: %d given: %d", 4, len(draw.PixelsHolder(&pane)))
+	}
+
+	pane = draw.New(1, 1)
+	if len(draw.PixelsHolder(&pane)) != 1 {
+		t.Errorf("wrong Pane data size, expected: %d given: %d", 4, len(draw.PixelsHolder(&pane)))
+	}
+
+	pane = draw.New(32, 32)
+	if len(draw.PixelsHolder(&pane)) != 32 {
+		t.Errorf("wrong Pane data size, expected: %d given: %d", 4, len(draw.PixelsHolder(&pane)))
+	}
+}
+
+func Test_Mark(t *testing.T) {
+	var size int = 7
+	var pane = draw.New(uint(size), uint(size))
+	for i := 0; i < int(size); i++ {
+		pane.Mark(0, i)
+		pane.Mark(i, 0)
+		pane.Mark(size-1, i)
+		pane.Mark(i, size-1)
+		pane.Mark(i, i)
+		pane.Mark(size-1-i, i)
+	}
+
+	pixelsHolder := draw.PixelsHolder(&pane)
+
+	if len(pixelsHolder) != 2 {
+		t.Errorf("expected len: %d given: %d", 2, len(pixelsHolder))
+	}
+
+	// if !pane.Marked(0, 0) {
+	// 	t.Errorf("should be marked at x=%d y=%d", 0, 0)
+	// }
+
+	fmt.Println(pane)
+}
+
+func Test_Cleat(t *testing.T) {
+	var pane = draw.New(10, 10)
+	pane.Mark(5, 5)
+	pane.Mark(0, 0)
+	pane.Mark(9, 9)
+	if !pane.Marked(0, 0) {
+		t.Errorf("should be marked at x=%d y=%d", 0, 0)
+	}
+	if !pane.Marked(5, 5) {
+		t.Errorf("should be marked at x=%d y=%d", 5, 5)
+	}
+	if !pane.Marked(9, 9) {
+		t.Errorf("should be marked at x=%d y=%d", 9, 9)
+	}
+	pane.Clear()
+	for _, holder := range draw.PixelsHolder(&pane) {
+		if holder != 0 {
+			t.Errorf("should be all bits clear")
+		}
+	}
+}
+
+func Test_Circle(t *testing.T) {
+	var size int = 40
+	var pane1 = draw.New(uint(size), uint(size))
+	pane1.Circle(size/2+5, size/2-5, float64(size/2)-3)
+	fmt.Println(pane1)
+	var pane2 = draw.New(uint(size), uint(size))
+	pane2.CircleAdjacent(size/2+20, size/2, float64(size/2)-5)
+	// fmt.Println(pane2)
+}