github.com/gogo/protobuf@v1.3.2/types/duration_test.go (about)

     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  
    32  package types
    33  
    34  import (
    35  	"math"
    36  	"testing"
    37  	"time"
    38  
    39  	"github.com/gogo/protobuf/proto"
    40  )
    41  
    42  const (
    43  	minGoSeconds = math.MinInt64 / int64(1e9)
    44  	maxGoSeconds = math.MaxInt64 / int64(1e9)
    45  )
    46  
    47  var 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  
    87  func 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  
    97  func 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  
   111  func 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  }