distribution/uuid/uuid_test.go
Stephen J Day 36e34a55ad Replace uuid dependency with internal library
Signed-off-by: Stephen J Day <stephen.day@docker.com>
2015-05-22 18:59:41 -07:00

49 lines
1.1 KiB
Go

package uuid
import (
"testing"
)
const iterations = 1000
func TestUUID4Generation(t *testing.T) {
for i := 0; i < iterations; i++ {
u := Generate()
if u[6]&0xf0 != 0x40 {
t.Fatalf("version byte not correctly set: %v, %08b %08b", u, u[6], u[6]&0xf0)
}
if u[8]&0xc0 != 0x80 {
t.Fatalf("top order 8th byte not correctly set: %v, %b", u, u[8])
}
}
}
func TestParseAndEquality(t *testing.T) {
for i := 0; i < iterations; i++ {
u := Generate()
parsed, err := Parse(u.String())
if err != nil {
t.Fatalf("error parsing uuid %v: %v", u, err)
}
if parsed != u {
t.Fatalf("parsing round trip failed: %v != %v", parsed, u)
}
}
for _, c := range []string{
"bad",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", // correct length, incorrect format
" 20cc7775-2671-43c7-8742-51d1cfa23258", // leading space
"20cc7775-2671-43c7-8742-51d1cfa23258 ", // trailing space
"00000000-0000-0000-0000-x00000000000 ", // out of range character
} {
if _, err := Parse(c); err == nil {
t.Fatalf("parsing %q should have failed", c)
}
}
}