96 lines
2.9 KiB
Go
96 lines
2.9 KiB
Go
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package foodchain
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import (
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"strings"
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"testing"
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)
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const testVersion = 1
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func TestTestVersion(t *testing.T) {
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if TestVersion != testVersion {
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t.Errorf("Found TestVersion = %v, want %v.", TestVersion, testVersion)
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}
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}
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var ref = []string{``,
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`I know an old lady who swallowed a fly.
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I don't know why she swallowed the fly. Perhaps she'll die.`,
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`I know an old lady who swallowed a spider.
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It wriggled and jiggled and tickled inside her.
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She swallowed the spider to catch the fly.
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I don't know why she swallowed the fly. Perhaps she'll die.`,
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`I know an old lady who swallowed a bird.
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How absurd to swallow a bird!
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She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.
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She swallowed the spider to catch the fly.
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I don't know why she swallowed the fly. Perhaps she'll die.`,
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`I know an old lady who swallowed a cat.
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Imagine that, to swallow a cat!
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She swallowed the cat to catch the bird.
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She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.
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She swallowed the spider to catch the fly.
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I don't know why she swallowed the fly. Perhaps she'll die.`,
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`I know an old lady who swallowed a dog.
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What a hog, to swallow a dog!
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She swallowed the dog to catch the cat.
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She swallowed the cat to catch the bird.
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She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.
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She swallowed the spider to catch the fly.
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I don't know why she swallowed the fly. Perhaps she'll die.`,
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`I know an old lady who swallowed a goat.
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Just opened her throat and swallowed a goat!
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She swallowed the goat to catch the dog.
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She swallowed the dog to catch the cat.
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She swallowed the cat to catch the bird.
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She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.
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She swallowed the spider to catch the fly.
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I don't know why she swallowed the fly. Perhaps she'll die.`,
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`I know an old lady who swallowed a cow.
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I don't know how she swallowed a cow!
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She swallowed the cow to catch the goat.
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She swallowed the goat to catch the dog.
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She swallowed the dog to catch the cat.
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She swallowed the cat to catch the bird.
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She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.
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She swallowed the spider to catch the fly.
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I don't know why she swallowed the fly. Perhaps she'll die.`,
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`I know an old lady who swallowed a horse.
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She's dead, of course!`,
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}
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func TestVerse(t *testing.T) {
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for v := 1; v <= 8; v++ {
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if ret := Verse(v); ret != ref[v] {
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t.Fatalf("Verse(%d) =\n%s\n want:\n%s\n", v, ret, ref[v])
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}
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}
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}
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func TestVerses(t *testing.T) {
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if ret, want := Verses(1, 2), ref[1]+"\n\n"+ref[2]; ret != want {
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t.Fatalf("Verses(1, 2) =\n%s\n want:\n%s\n", ret, want)
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}
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}
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func TestSong(t *testing.T) {
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if ret, want := Song(), strings.Join(ref[1:], "\n\n"); ret != want {
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t.Fatalf("Song() =\n%s\n want:\n%s\n", ret, want)
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}
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}
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func BenchmarkSong(b *testing.B) {
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for i := 0; i < b.N; i++ {
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Song()
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}
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}
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