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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))
}
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