1// Go support for Protocol Buffers - Google's data interchange format
2//
3// Copyright 2016 The Go Authors.  All rights reserved.
4// https://github.com/golang/protobuf
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met:
9//
10//     * Redistributions of source code must retain the above copyright
11// notice, this list of conditions and the following disclaimer.
12//     * Redistributions in binary form must reproduce the above
13// copyright notice, this list of conditions and the following disclaimer
14// in the documentation and/or other materials provided with the
15// distribution.
16//     * Neither the name of Google Inc. nor the names of its
17// contributors may be used to endorse or promote products derived from
18// this software without specific prior written permission.
19//
20// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31
32package types
33
34import (
35	"math"
36	"testing"
37	"time"
38
39	"github.com/gogo/protobuf/proto"
40)
41
42const (
43	minGoSeconds = math.MinInt64 / int64(1e9)
44	maxGoSeconds = math.MaxInt64 / int64(1e9)
45)
46
47var durationTests = []struct {
48	proto   *Duration
49	isValid bool
50	inRange bool
51	dur     time.Duration
52}{
53	// The zero duration.
54	{&Duration{Seconds: 0, Nanos: 0}, true, true, 0},
55	// Some ordinary non-zero durations.
56	{&Duration{Seconds: 100, Nanos: 0}, true, true, 100 * time.Second},
57	{&Duration{Seconds: -100, Nanos: 0}, true, true, -100 * time.Second},
58	{&Duration{Seconds: 100, Nanos: 987}, true, true, 100*time.Second + 987},
59	{&Duration{Seconds: -100, Nanos: -987}, true, true, -(100*time.Second + 987)},
60	// The largest duration representable in Go.
61	{&Duration{Seconds: maxGoSeconds, Nanos: int32(math.MaxInt64 - 1e9*maxGoSeconds)}, true, true, math.MaxInt64},
62	// The smallest duration representable in Go.
63	{&Duration{Seconds: minGoSeconds, Nanos: int32(math.MinInt64 - 1e9*minGoSeconds)}, true, true, math.MinInt64},
64	{nil, false, false, 0},
65	{&Duration{Seconds: -100, Nanos: 987}, false, false, 0},
66	{&Duration{Seconds: 100, Nanos: -987}, false, false, 0},
67	{&Duration{Seconds: math.MinInt64, Nanos: 0}, false, false, 0},
68	{&Duration{Seconds: math.MaxInt64, Nanos: 0}, false, false, 0},
69	// The largest valid duration.
70	{&Duration{Seconds: maxSeconds, Nanos: 1e9 - 1}, true, false, 0},
71	// The smallest valid duration.
72	{&Duration{Seconds: minSeconds, Nanos: -(1e9 - 1)}, true, false, 0},
73	// The smallest invalid duration above the valid range.
74	{&Duration{Seconds: maxSeconds + 1, Nanos: 0}, false, false, 0},
75	// The largest invalid duration below the valid range.
76	{&Duration{Seconds: minSeconds - 1, Nanos: -(1e9 - 1)}, false, false, 0},
77	// One nanosecond past the largest duration representable in Go.
78	{&Duration{Seconds: maxGoSeconds, Nanos: int32(math.MaxInt64-1e9*maxGoSeconds) + 1}, true, false, 0},
79	// One nanosecond past the smallest duration representable in Go.
80	{&Duration{Seconds: minGoSeconds, Nanos: int32(math.MinInt64-1e9*minGoSeconds) - 1}, true, false, 0},
81	// One second past the largest duration representable in Go.
82	{&Duration{Seconds: maxGoSeconds + 1, Nanos: int32(math.MaxInt64 - 1e9*maxGoSeconds)}, true, false, 0},
83	// One second past the smallest duration representable in Go.
84	{&Duration{Seconds: minGoSeconds - 1, Nanos: int32(math.MinInt64 - 1e9*minGoSeconds)}, true, false, 0},
85}
86
87func TestValidateDuration(t *testing.T) {
88	for _, test := range durationTests {
89		err := validateDuration(test.proto)
90		gotValid := (err == nil)
91		if gotValid != test.isValid {
92			t.Errorf("validateDuration(%v) = %t, want %t", test.proto, gotValid, test.isValid)
93		}
94	}
95}
96
97func TestDurationFromProto(t *testing.T) {
98	for _, test := range durationTests {
99		got, err := DurationFromProto(test.proto)
100		gotOK := (err == nil)
101		wantOK := test.isValid && test.inRange
102		if gotOK != wantOK {
103			t.Errorf("DurationFromProto(%v) ok = %t, want %t", test.proto, gotOK, wantOK)
104		}
105		if err == nil && got != test.dur {
106			t.Errorf("DurationFromProto(%v) = %v, want %v", test.proto, got, test.dur)
107		}
108	}
109}
110
111func TestDurationProto(t *testing.T) {
112	for _, test := range durationTests {
113		if test.isValid && test.inRange {
114			got := DurationProto(test.dur)
115			if !proto.Equal(got, test.proto) {
116				t.Errorf("DurationProto(%v) = %v, want %v", test.dur, got, test.proto)
117			}
118		}
119	}
120}
121