40 lines
897 B
Go
40 lines
897 B
Go
// Copyright (c) 2016 Arista Networks, Inc.
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// Use of this source code is governed by the Apache License 2.0
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// that can be found in the COPYING file.
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package key_test
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import (
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"testing"
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. "github.com/aristanetworks/goarista/key"
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"github.com/aristanetworks/goarista/test"
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)
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type unhashable struct {
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f func()
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u uintptr
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}
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func TestBadComposite(t *testing.T) {
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test.ShouldPanicWith(t, "use of unhashable type in a map", func() {
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m := map[interface{}]struct{}{
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unhashable{func() {}, 0x42}: {},
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}
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// Use Key here to make sure init() is called.
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if _, ok := m[New("foo")]; ok {
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t.Fatal("WTF")
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}
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})
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test.ShouldPanicWith(t, "use of uncomparable type on the lhs of ==", func() {
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var a interface{}
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var b interface{}
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a = unhashable{func() {}, 0x42}
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b = unhashable{func() {}, 0x42}
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// Use Key here to make sure init() is called.
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if a == b {
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t.Fatal("WTF")
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}
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})
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}
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