50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
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// 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 test_test
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import (
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"fmt"
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"testing"
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"unsafe"
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. "github.com/aristanetworks/goarista/test"
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)
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type alias int
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type privateByteSlice struct {
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exportme []byte
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}
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func TestPrettyPrint(t *testing.T) {
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// This test doesn't need to cover all the types of input as a number of
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// them are covered by other tests in this package.
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ch := make(chan int, 42)
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testcases := []struct {
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input interface{}
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pretty string
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}{
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{true, "true"},
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{(chan int)(nil), "(chan int)(nil)"},
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{ch, fmt.Sprintf("(chan int)(%p)[42]", ch)},
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{func() {}, "func(...)"},
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{unsafe.Pointer(nil), "(unsafe.Pointer)(nil)"},
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{unsafe.Pointer(t), fmt.Sprintf("(unsafe.Pointer)(%p)", t)},
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{[]byte(nil), `[]byte(nil)`},
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{[]byte{42, 0, 42}, `[]byte("*\x00*")`},
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{[]int{42, 51}, "[]int{42, 51}"},
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{[2]int{42, 51}, "[2]int{42, 51}"},
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{[2]byte{42, 51}, "[2]uint8{42, 51}"}, // Yeah, in Go `byte' is really just `uint8'.
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{alias(42), "alias(42)"},
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{privateByteSlice{[]byte("a")}, `test_test.privateByteSlice{exportme:[]byte("a")}`},
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}
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for i, tcase := range testcases {
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actual := PrettyPrint(tcase.input)
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if actual != tcase.pretty {
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t.Errorf("#%d: Wanted %q but got %q", i, actual, tcase.pretty)
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}
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}
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}
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