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.
45 lines
1.1 KiB
45 lines
1.1 KiB
package compress
|
|
|
|
import (
|
|
"math/rand"
|
|
"testing"
|
|
)
|
|
|
|
func TestSortedData(t *testing.T) {
|
|
data := make([]int32, 102400)
|
|
for i := 1; i < len(data); i++ {
|
|
data[i] = data[i-1] + rand.Int31n(15)
|
|
}
|
|
testCompressAndUncompress(t, data, "Sorted data")
|
|
}
|
|
|
|
func TestUnsortedData(t *testing.T) {
|
|
data := make([]int32, 102400)
|
|
for i := 0; i < len(data); i++ {
|
|
data[i] = rand.Int31n(255)
|
|
}
|
|
testCompressAndUncompress(t, data, "Unsorted data")
|
|
}
|
|
|
|
func testCompressAndUncompress(t *testing.T, data []int32, desc string) {
|
|
|
|
compressed_data, err := Compress32(data)
|
|
if err != nil {
|
|
t.Fatal("Compress error", err.Error())
|
|
}
|
|
uncompressed_data, err := Uncompress32(compressed_data, make([]int32, len(data)*2))
|
|
if err != nil {
|
|
t.Fatal("Compress error", err.Error())
|
|
}
|
|
if len(uncompressed_data) != len(data) {
|
|
t.Fatal("Len differs", len(data), len(uncompressed_data))
|
|
}
|
|
for i := 0; i < len(data); i++ {
|
|
if data[i] != uncompressed_data[i] {
|
|
t.Fatal("Data differs:", i, data[i], uncompressed_data[i])
|
|
}
|
|
}
|
|
|
|
println(desc, " Data length:", len(data), " => Compressed length:", len(compressed_data))
|
|
|
|
}
|