blob: b11827c2c69ba3dc802fb045b59980e45bab1a90 [file] [log] [blame]
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ptypes
import (
"math"
"testing"
"time"
"github.com/golang/protobuf/proto"
durpb "github.com/golang/protobuf/ptypes/duration"
)
const (
minGoSeconds = math.MinInt64 / int64(1e9)
maxGoSeconds = math.MaxInt64 / int64(1e9)
)
var durationTests = []struct {
proto *durpb.Duration
isValid bool
inRange bool
dur time.Duration
}{
// The zero duration.
{&durpb.Duration{Seconds: 0, Nanos: 0}, true, true, 0},
// Some ordinary non-zero durations.
{&durpb.Duration{Seconds: 100, Nanos: 0}, true, true, 100 * time.Second},
{&durpb.Duration{Seconds: -100, Nanos: 0}, true, true, -100 * time.Second},
{&durpb.Duration{Seconds: 100, Nanos: 987}, true, true, 100*time.Second + 987},
{&durpb.Duration{Seconds: -100, Nanos: -987}, true, true, -(100*time.Second + 987)},
// The largest duration representable in Go.
{&durpb.Duration{Seconds: maxGoSeconds, Nanos: int32(math.MaxInt64 - 1e9*maxGoSeconds)}, true, true, math.MaxInt64},
// The smallest duration representable in Go.
{&durpb.Duration{Seconds: minGoSeconds, Nanos: int32(math.MinInt64 - 1e9*minGoSeconds)}, true, true, math.MinInt64},
{nil, false, false, 0},
{&durpb.Duration{Seconds: -100, Nanos: 987}, false, false, 0},
{&durpb.Duration{Seconds: 100, Nanos: -987}, false, false, 0},
{&durpb.Duration{Seconds: math.MinInt64, Nanos: 0}, false, false, 0},
{&durpb.Duration{Seconds: math.MaxInt64, Nanos: 0}, false, false, 0},
// The largest valid duration.
{&durpb.Duration{Seconds: maxSeconds, Nanos: 1e9 - 1}, true, false, 0},
// The smallest valid duration.
{&durpb.Duration{Seconds: minSeconds, Nanos: -(1e9 - 1)}, true, false, 0},
// The smallest invalid duration above the valid range.
{&durpb.Duration{Seconds: maxSeconds + 1, Nanos: 0}, false, false, 0},
// The largest invalid duration below the valid range.
{&durpb.Duration{Seconds: minSeconds - 1, Nanos: -(1e9 - 1)}, false, false, 0},
// One nanosecond past the largest duration representable in Go.
{&durpb.Duration{Seconds: maxGoSeconds, Nanos: int32(math.MaxInt64-1e9*maxGoSeconds) + 1}, true, false, 0},
// One nanosecond past the smallest duration representable in Go.
{&durpb.Duration{Seconds: minGoSeconds, Nanos: int32(math.MinInt64-1e9*minGoSeconds) - 1}, true, false, 0},
// One second past the largest duration representable in Go.
{&durpb.Duration{Seconds: maxGoSeconds + 1, Nanos: int32(math.MaxInt64 - 1e9*maxGoSeconds)}, true, false, 0},
// One second past the smallest duration representable in Go.
{&durpb.Duration{Seconds: minGoSeconds - 1, Nanos: int32(math.MinInt64 - 1e9*minGoSeconds)}, true, false, 0},
}
func TestValidateDuration(t *testing.T) {
for _, test := range durationTests {
err := validateDuration(test.proto)
gotValid := (err == nil)
if gotValid != test.isValid {
t.Errorf("validateDuration(%v) = %t, want %t", test.proto, gotValid, test.isValid)
}
}
}
func TestDuration(t *testing.T) {
for _, test := range durationTests {
got, err := Duration(test.proto)
gotOK := (err == nil)
wantOK := test.isValid && test.inRange
if gotOK != wantOK {
t.Errorf("Duration(%v) ok = %t, want %t", test.proto, gotOK, wantOK)
}
if err == nil && got != test.dur {
t.Errorf("Duration(%v) = %v, want %v", test.proto, got, test.dur)
}
}
}
func TestDurationProto(t *testing.T) {
for _, test := range durationTests {
if test.isValid && test.inRange {
got := DurationProto(test.dur)
if !proto.Equal(got, test.proto) {
t.Errorf("DurationProto(%v) = %v, want %v", test.dur, got, test.proto)
}
}
}
}