53 lines
1.2 KiB
Go
53 lines
1.2 KiB
Go
// Copyright 2019, The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package value
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import (
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"archive/tar"
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"math"
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"reflect"
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"testing"
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)
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func TestIsZero(t *testing.T) {
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tests := []struct {
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in interface{}
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want bool
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}{
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{0, true},
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{1, false},
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{"", true},
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{"foo", false},
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{[]byte(nil), true},
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{[]byte{}, false},
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{map[string]bool(nil), true},
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{map[string]bool{}, false},
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{tar.Header{}, true},
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{&tar.Header{}, false},
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{tar.Header{Name: "foo"}, false},
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{(chan bool)(nil), true},
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{make(chan bool), false},
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{(func(*testing.T))(nil), true},
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{TestIsZero, false},
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{[...]int{0, 0, 0}, true},
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{[...]int{0, 1, 0}, false},
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{math.Copysign(0, +1), true},
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{math.Copysign(0, -1), false},
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{complex(math.Copysign(0, +1), math.Copysign(0, +1)), true},
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{complex(math.Copysign(0, -1), math.Copysign(0, +1)), false},
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{complex(math.Copysign(0, +1), math.Copysign(0, -1)), false},
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{complex(math.Copysign(0, -1), math.Copysign(0, -1)), false},
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}
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for _, tt := range tests {
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t.Run("", func(t *testing.T) {
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got := IsZero(reflect.ValueOf(tt.in))
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if got != tt.want {
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t.Errorf("IsZero(%v) = %v, want %v", tt.in, got, tt.want)
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}
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})
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}
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}
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