test and draw examples

Author: alameddinc

drawPNG/main.go

@@ -0,0 +1,36 @@
+package main
+
+import (
+ "math/rand"
+ "time"
+ "fmt"
+ "github.com/fogleman/gg"
+)
+
+
+func main() {
+ r := rand.New(rand.NewSource(99))
+ r.Seed(time.Now().UTC().UnixNano())
+
+ drawItem:= gg.NewContext(1000,1000)
+
+
+ drawItem.SetHexColor("#fff")
+ drawItem.DrawRectangle(0,0,1000,1000)
+ drawItem.Fill()
+ for i := 0; i < 40; i++ {
+ for j := 0; j < 40; j++ {
+ randColor:=r.Intn(16000000)
+ randSize:=r.Intn(25)
+ randomHex:=fmt.Sprintf("#%.6X", randColor)
+ fmt.Println(randomHex)
+ drawItem.SetHexColor(randomHex)
+ drawItem.DrawCircle(float64(i*30),float64(j*30),float64(randSize))
+ drawItem.Fill()
+
+ }
+ }
+
+ defer drawItem.SavePNG("out3.png")
+
+}

drawPNG/out3.png

@@ -0,0 +1,15 @@
+package main
+
+import "testing"
+
+func TestSum(t *testing.T) {
+var total = sum(5, 5)
+if total != 10 {
+t.Errorf("Sum was incorrect, got: %d, want: %d.", total, 10)
+}
+}
+
+
+func sum(x int, y int) int {
+return x + y
+}

testExample/test.go

@@ -0,0 +1,14 @@
+package main
+
+import (
+"fmt"
+)
+
+func sum(x int, y int) int {
+return x + y
+}
+
+func main() {
+var c = sum(5, 5)
+fmt.Println(c)
+}