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|
package main
import (
"bytes"
"math"
"strconv"
"testing"
)
func TestParseUint32Fast(t *testing.T) {
t.Parallel()
t.Run("zero-length", func(t *testing.T) {
t.Parallel()
if _, err := parseUint32Fast(""); err == nil || err.Error() != "zero length string" {
t.Errorf(`parseUint32Fast(""): error = %v`, err)
return
}
})
t.Run("overflow", func(t *testing.T) {
t.Parallel()
if _, err := parseUint32Fast("10000000000"); err == nil || err.Error() != "string too long" {
t.Errorf("parseUint32Fast: error = %v", err)
return
}
})
t.Run("invalid byte", func(t *testing.T) {
t.Parallel()
if _, err := parseUint32Fast("meow"); err == nil || err.Error() != "invalid character 'm' at index 0" {
t.Errorf(`parseUint32Fast("meow"): error = %v`, err)
return
}
})
t.Run("range", func(t *testing.T) {
t.Parallel()
testRange := func(i, end uint32) {
for ; i < end; i++ {
s := strconv.Itoa(int(i))
w := i
t.Run("parse "+s, func(t *testing.T) {
t.Parallel()
v, err := parseUint32Fast(s)
if err != nil {
t.Errorf("parseUint32Fast(%q): error = %v", s, err)
return
}
if v != w {
t.Errorf("parseUint32Fast(%q): got %v", s, v)
return
}
})
}
}
testRange(0, 2500)
testRange(23002500, 23005000)
testRange(math.MaxUint32-2500, math.MaxUint32)
})
}
func TestParseConfig(t *testing.T) {
t.Parallel()
testCases := []struct {
name string
puid, want uint32
wantErr string
rc string
}{
{"empty", 0, useridEnd + 1, "", ``},
{"invalid field", 0, useridEnd + 1, "invalid entry on line 1", `9`},
{"invalid puid", 0, useridEnd + 1, "invalid parent uid on line 1", `f 9`},
{"invalid userid", 1000, useridEnd + 1, "invalid userid on line 1", `1000 f`},
{"match", 1000, 0, "", `1000 0`},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
userid, ok, err := parseConfig(bytes.NewBufferString(tc.rc), tc.puid)
if err == nil && tc.wantErr != "" {
t.Errorf("parseConfig: error = %v; want %q", err, tc.wantErr)
return
}
if err != nil && err.Error() != tc.wantErr {
t.Errorf("parseConfig: error = %q; want %q", err, tc.wantErr)
return
}
if ok == (tc.want == useridEnd+1) {
t.Errorf("parseConfig: ok = %v; want %v", ok, tc.want)
return
}
if userid != tc.want {
t.Errorf("parseConfig: %v; want %v", userid, tc.want)
}
})
}
}
|
