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package liner
import (
"strconv"
"testing"
)
func accent(in []rune) []rune {
var out []rune
for _, r := range in {
out = append(out, r)
out = append(out, '\u0301')
}
return out
}
var testString = []rune("query")
func TestCountGlyphs(t *testing.T) {
count := countGlyphs(testString)
if count != len(testString) {
t.Errorf("ASCII count incorrect. %d != %d", count, len(testString))
}
count = countGlyphs(accent(testString))
if count != len(testString) {
t.Errorf("Accent count incorrect. %d != %d", count, len(testString))
}
}
func compare(a, b []rune, name string, t *testing.T) {
if len(a) != len(b) {
t.Errorf(`"%s" != "%s" in %s"`, string(a), string(b), name)
return
}
for i := range a {
if a[i] != b[i] {
t.Errorf(`"%s" != "%s" in %s"`, string(a), string(b), name)
return
}
}
}
func TestPrefixGlyphs(t *testing.T) {
for i := 0; i <= len(testString); i++ {
iter := strconv.Itoa(i)
out := getPrefixGlyphs(testString, i)
compare(out, testString[:i], "ascii prefix "+iter, t)
out = getPrefixGlyphs(accent(testString), i)
compare(out, accent(testString[:i]), "accent prefix "+iter, t)
}
out := getPrefixGlyphs(testString, 999)
compare(out, testString, "ascii prefix overflow", t)
out = getPrefixGlyphs(accent(testString), 999)
compare(out, accent(testString), "accent prefix overflow", t)
out = getPrefixGlyphs(testString, -3)
if len(out) != 0 {
t.Error("ascii prefix negative")
}
out = getPrefixGlyphs(accent(testString), -3)
if len(out) != 0 {
t.Error("accent prefix negative")
}
}
func TestSuffixGlyphs(t *testing.T) {
for i := 0; i <= len(testString); i++ {
iter := strconv.Itoa(i)
out := getSuffixGlyphs(testString, i)
compare(out, testString[len(testString)-i:], "ascii suffix "+iter, t)
out = getSuffixGlyphs(accent(testString), i)
compare(out, accent(testString[len(testString)-i:]), "accent suffix "+iter, t)
}
out := getSuffixGlyphs(testString, 999)
compare(out, testString, "ascii suffix overflow", t)
out = getSuffixGlyphs(accent(testString), 999)
compare(out, accent(testString), "accent suffix overflow", t)
out = getSuffixGlyphs(testString, -3)
if len(out) != 0 {
t.Error("ascii suffix negative")
}
out = getSuffixGlyphs(accent(testString), -3)
if len(out) != 0 {
t.Error("accent suffix negative")
}
}