Pixel drawing.
https://pkg.go.dev/maze.io/x/pixel
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
939 B
44 lines
939 B
package pixel
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"testing"
|
|
)
|
|
|
|
func TestMemset(t *testing.T) {
|
|
tests := []byte{0x00, 0x2a, 0xff}
|
|
for _, test := range tests {
|
|
t.Run(fmt.Sprintf("%#02x", test), func(it *testing.T) {
|
|
b := make([]byte, 512)
|
|
memset(b, test)
|
|
for i, v := range b {
|
|
if v != test {
|
|
it.Fatalf("expected byte %d to be %#02x, got %#02x", i, test, v)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestMemsetSlice(t *testing.T) {
|
|
tests := []struct {
|
|
Test []byte
|
|
Size int
|
|
}{
|
|
{[]byte{0x00}, 128},
|
|
{[]byte{0xff, 0xff}, 512},
|
|
{[]byte{0x2a, 0x42, 0xaa, 0xff}, 1024},
|
|
}
|
|
for _, test := range tests {
|
|
t.Run("", func(it *testing.T) {
|
|
b := make([]byte, test.Size)
|
|
memsetSlice(b, test.Test)
|
|
for i := 0; i < test.Size; i += len(test.Test) {
|
|
if !bytes.Equal(b[i:i+len(test.Test)], test.Test) {
|
|
it.Fatalf("expected bytes %d-%d to be %x, got %x", i, i+len(test.Test), test.Test, b[i:i+len(test.Test)])
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|