75 lines
1.9 KiB
Go
75 lines
1.9 KiB
Go
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// Copyright © 2016 Alan A. A. Donovan & Brian W. Kernighan.
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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package sexpr
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import (
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"reflect"
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"testing"
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)
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// Test verifies that encoding and decoding a complex data value
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// produces an equal result.
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//
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// The test does not make direct assertions about the encoded output
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// because the output depends on map iteration order, which is
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// nondeterministic. The output of the t.Log statements can be
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// inspected by running the test with the -v flag:
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//
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// $ go test -v gopl.io/ch12/sexpr
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//
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func Test(t *testing.T) {
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type Movie struct {
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Title, Subtitle string
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Year int
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Actor map[string]string
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Oscars []string
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Sequel *string
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}
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strangelove := Movie{
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Title: "Dr. Strangelove",
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Subtitle: "How I Learned to Stop Worrying and Love the Bomb",
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Year: 1964,
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Actor: map[string]string{
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"Dr. Strangelove": "Peter Sellers",
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"Grp. Capt. Lionel Mandrake": "Peter Sellers",
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"Pres. Merkin Muffley": "Peter Sellers",
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"Gen. Buck Turgidson": "George C. Scott",
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"Brig. Gen. Jack D. Ripper": "Sterling Hayden",
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`Maj. T.J. "King" Kong`: "Slim Pickens",
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},
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Oscars: []string{
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"Best Actor (Nomin.)",
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"Best Adapted Screenplay (Nomin.)",
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"Best Director (Nomin.)",
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"Best Picture (Nomin.)",
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},
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}
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// Encode it
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data, err := Marshal(strangelove)
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if err != nil {
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t.Fatalf("Marshal failed: %v", err)
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}
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t.Logf("Marshal() = %s\n", data)
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// Decode it
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var movie Movie
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if err := Unmarshal(data, &movie); err != nil {
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t.Fatalf("Unmarshal failed: %v", err)
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}
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t.Logf("Unmarshal() = %+v\n", movie)
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// Check equality.
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if !reflect.DeepEqual(movie, strangelove) {
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t.Fatal("not equal")
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}
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// Pretty-print it:
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data, err = MarshalIndent(strangelove)
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if err != nil {
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t.Fatal(err)
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}
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t.Logf("MarshalIdent() = %s\n", data)
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}
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