mirror of https://github.com/ledisdb/ledisdb.git
103 lines
2.5 KiB
Go
103 lines
2.5 KiB
Go
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package liner
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import (
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"strconv"
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"testing"
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)
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func accent(in []rune) []rune {
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var out []rune
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for _, r := range in {
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out = append(out, r)
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out = append(out, '\u0301')
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}
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return out
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}
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type testCase struct {
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s []rune
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glyphs int
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}
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var testCases = []testCase{
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{[]rune("query"), 5},
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{[]rune("私"), 2},
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{[]rune("hello世界"), 9},
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}
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func TestCountGlyphs(t *testing.T) {
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for _, testCase := range testCases {
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count := countGlyphs(testCase.s)
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if count != testCase.glyphs {
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t.Errorf("ASCII count incorrect. %d != %d", count, testCase.glyphs)
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}
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count = countGlyphs(accent(testCase.s))
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if count != testCase.glyphs {
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t.Errorf("Accent count incorrect. %d != %d", count, testCase.glyphs)
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}
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}
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}
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func compare(a, b []rune, name string, t *testing.T) {
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if len(a) != len(b) {
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t.Errorf(`"%s" != "%s" in %s"`, string(a), string(b), name)
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return
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}
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for i := range a {
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if a[i] != b[i] {
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t.Errorf(`"%s" != "%s" in %s"`, string(a), string(b), name)
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return
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}
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}
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}
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func TestPrefixGlyphs(t *testing.T) {
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for _, testCase := range testCases {
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for i := 0; i <= len(testCase.s); i++ {
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iter := strconv.Itoa(i)
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out := getPrefixGlyphs(testCase.s, i)
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compare(out, testCase.s[:i], "ascii prefix "+iter, t)
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out = getPrefixGlyphs(accent(testCase.s), i)
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compare(out, accent(testCase.s[:i]), "accent prefix "+iter, t)
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}
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out := getPrefixGlyphs(testCase.s, 999)
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compare(out, testCase.s, "ascii prefix overflow", t)
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out = getPrefixGlyphs(accent(testCase.s), 999)
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compare(out, accent(testCase.s), "accent prefix overflow", t)
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out = getPrefixGlyphs(testCase.s, -3)
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if len(out) != 0 {
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t.Error("ascii prefix negative")
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}
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out = getPrefixGlyphs(accent(testCase.s), -3)
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if len(out) != 0 {
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t.Error("accent prefix negative")
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}
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}
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}
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func TestSuffixGlyphs(t *testing.T) {
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for _, testCase := range testCases {
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for i := 0; i <= len(testCase.s); i++ {
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iter := strconv.Itoa(i)
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out := getSuffixGlyphs(testCase.s, i)
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compare(out, testCase.s[len(testCase.s)-i:], "ascii suffix "+iter, t)
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out = getSuffixGlyphs(accent(testCase.s), i)
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compare(out, accent(testCase.s[len(testCase.s)-i:]), "accent suffix "+iter, t)
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}
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out := getSuffixGlyphs(testCase.s, 999)
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compare(out, testCase.s, "ascii suffix overflow", t)
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out = getSuffixGlyphs(accent(testCase.s), 999)
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compare(out, accent(testCase.s), "accent suffix overflow", t)
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out = getSuffixGlyphs(testCase.s, -3)
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if len(out) != 0 {
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t.Error("ascii suffix negative")
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}
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out = getSuffixGlyphs(accent(testCase.s), -3)
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if len(out) != 0 {
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t.Error("accent suffix negative")
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}
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}
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}
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