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east_asian_width_test.go
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east_asian_width_test.go
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package eastasianwidth
import (
"testing"
"unicode"
. "github.com/onsi/gomega"
)
func TestAmbiguousCharacterShouldBeUsedAsHalfwidth(t *testing.T) {
RegisterTestingT(t)
EastAsian = false
char := '‐'
Expect(unicode.Is(EastAsianAmbiguous, char)).To(BeTrue())
Expect(IsFullwidth(char)).To(BeFalse())
Expect(IsHalfwidth(char)).To(BeTrue())
}
func TestAmbiguousCharacterShouldBeUsedAsFullwidth(t *testing.T) {
RegisterTestingT(t)
EastAsian = false
EastAsian = true
char := '‐'
Expect(unicode.Is(EastAsianAmbiguous, char)).To(BeTrue())
Expect(IsFullwidth(char)).To(BeTrue())
Expect(IsHalfwidth(char)).To(BeFalse())
}
func TestFullwidthCharacterShouldBeUsedAsIt(t *testing.T) {
RegisterTestingT(t)
EastAsian = false
var char rune
char = '一'
Expect(unicode.Is(EastAsianAmbiguous, char)).To(BeFalse())
Expect(unicode.Is(EastAsianWide, char)).To(BeTrue())
Expect(IsFullwidth(char)).To(BeTrue())
char = '"'
Expect(unicode.Is(EastAsianAmbiguous, char)).To(BeFalse())
Expect(unicode.Is(EastAsianFullwidth, char)).To(BeTrue())
Expect(IsFullwidth(char)).To(BeTrue())
}
func TestHalfwidthCharacterShouldBeUsedAsIt(t *testing.T) {
RegisterTestingT(t)
EastAsian = false
var char rune
char = '。'
Expect(unicode.Is(EastAsianAmbiguous, char)).To(BeFalse())
Expect(unicode.Is(EastAsianHalfwidth, char)).To(BeTrue())
Expect(IsHalfwidth(char)).To(BeTrue())
char = '¬'
Expect(unicode.Is(EastAsianAmbiguous, char)).To(BeFalse())
Expect(unicode.Is(EastAsianNarrow, char)).To(BeTrue())
Expect(IsHalfwidth(char)).To(BeTrue())
char = 'ÿ'
Expect(unicode.Is(EastAsianAmbiguous, char)).To(BeFalse())
Expect(unicode.Is(EastAsianNeutral, char)).To(BeTrue())
Expect(IsHalfwidth(char)).To(BeTrue())
}