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31 lines
587 B
Go
31 lines
587 B
Go
package cli
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import "testing"
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var lexicographicLessTests = []struct {
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i string
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j string
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expected bool
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}{
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{"", "a", true},
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{"a", "", false},
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{"a", "a", false},
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{"a", "A", false},
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{"A", "a", true},
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{"aa", "a", false},
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{"a", "aa", true},
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{"a", "b", true},
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{"a", "B", true},
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{"A", "b", true},
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{"A", "B", true},
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}
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func TestLexicographicLess(t *testing.T) {
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for _, test := range lexicographicLessTests {
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actual := lexicographicLess(test.i, test.j)
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if test.expected != actual {
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t.Errorf(`expected string "%s" to come before "%s"`, test.i, test.j)
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}
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}
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}
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