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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package unicode
import "testing"
var upperTest = []int{
0x41,
0xc0,
0xd8,
0x100,
0x139,
0x14a,
0x178,
0x181,
0x376,
0x3cf,
0x1f2a,
0x2102,
0x2c00,
0x2c10,
0x2c20,
0xa650,
0xa722,
0xff3a,
0x10400,
0x1d400,
0x1d7ca,
}
var notupperTest = []int{
0x40,
0x5b,
0x61,
0x185,
0x1b0,
0x377,
0x387,
0x2150,
0xffff,
0x10000,
}
var letterTest = []int{
0x41,
0x61,
0xaa,
0xba,
0xc8,
0xdb,
0xf9,
0x2ec,
0x535,
0x6e6,
0x93d,
0xa15,
0xb99,
0xdc0,
0xedd,
0x1000,
0x1200,
0x1312,
0x1401,
0x1885,
0x2c00,
0xa800,
0xf900,
0xfa30,
0xffda,
0xffdc,
0x10000,
0x10300,
0x10400,
0x20000,
0x2f800,
0x2fa1d,
}
var notletterTest = []int{
0x20,
0x35,
0x375,
0x620,
0x700,
0xfffe,
0x1ffff,
0x10ffff,
}
type caseT struct {
cas, in, out int
}
var caseTest = []caseT {
// errors
caseT{-1, '\n', 0xFFFD},
caseT{UpperCase, -1, -1},
caseT{UpperCase, 1<<30, 1<<30},
// ASCII (special-cased so test carefully)
caseT{UpperCase, '\n', '\n'},
caseT{UpperCase, 'a', 'A'},
caseT{UpperCase, 'A', 'A'},
caseT{UpperCase, '7', '7'},
caseT{LowerCase, '\n', '\n'},
caseT{LowerCase, 'a', 'a'},
caseT{LowerCase, 'A', 'a'},
caseT{LowerCase, '7', '7'},
caseT{TitleCase, '\n', '\n'},
caseT{TitleCase, 'a', 'A'},
caseT{TitleCase, 'A', 'A'},
caseT{TitleCase, '7', '7'},
// Latin-1: easy to read the tests!
caseT{UpperCase, 0x80, 0x80},
caseT{UpperCase, 'Å', 'Å'},
caseT{UpperCase, 'å', 'Å'},
caseT{LowerCase, 0x80, 0x80},
caseT{LowerCase, 'Å', 'å'},
caseT{LowerCase, 'å', 'å'},
caseT{TitleCase, 0x80, 0x80},
caseT{TitleCase, 'Å', 'Å'},
caseT{TitleCase, 'å', 'Å'},
// 0131;LATIN SMALL LETTER DOTLESS I;Ll;0;L;;;;;N;;;0049;;0049
caseT{UpperCase, 0x0131, 'I'},
caseT{LowerCase, 0x0131, 0x0131},
caseT{TitleCase, 0x0131, 'I'},
// 0133;LATIN SMALL LIGATURE IJ;Ll;0;L;<compat> 0069 006A;;;;N;LATIN SMALL LETTER I J;;0132;;0132
caseT{UpperCase, 0x0133, 0x0132},
caseT{LowerCase, 0x0133, 0x0133},
caseT{TitleCase, 0x0133, 0x0132},
// 212A;KELVIN SIGN;Lu;0;L;004B;;;;N;DEGREES KELVIN;;;006B;
caseT{UpperCase, 0x212A, 0x212A},
caseT{LowerCase, 0x212A, 'k'},
caseT{TitleCase, 0x212A, 0x212A},
// From an UpperLower sequence
// A640;CYRILLIC CAPITAL LETTER ZEMLYA;Lu;0;L;;;;;N;;;;A641;
caseT{UpperCase, 0xA640, 0xA640},
caseT{LowerCase, 0xA640, 0xA641},
caseT{TitleCase, 0xA640, 0xA640},
// A641;CYRILLIC SMALL LETTER ZEMLYA;Ll;0;L;;;;;N;;;A640;;A640
caseT{UpperCase, 0xA641, 0xA640},
caseT{LowerCase, 0xA641, 0xA641},
caseT{TitleCase, 0xA641, 0xA640},
// A64E;CYRILLIC CAPITAL LETTER NEUTRAL YER;Lu;0;L;;;;;N;;;;A64F;
caseT{UpperCase, 0xA64E, 0xA64E},
caseT{LowerCase, 0xA64E, 0xA64F},
caseT{TitleCase, 0xA64E, 0xA64E},
// A65F;CYRILLIC SMALL LETTER YN;Ll;0;L;;;;;N;;;A65E;;A65E
caseT{UpperCase, 0xA65F, 0xA65E},
caseT{LowerCase, 0xA65F, 0xA65F},
caseT{TitleCase, 0xA65F, 0xA65E},
// From a LowerUpper sequence
// 0139;LATIN CAPITAL LETTER L WITH ACUTE;Lu;0;L;004C 0301;;;;N;LATIN CAPITAL LETTER L ACUTE;;;013A;
caseT{UpperCase, 0x0139, 0x0139},
caseT{LowerCase, 0x0139, 0x013A},
caseT{TitleCase, 0x0139, 0x0139},
// 013F;LATIN CAPITAL LETTER L WITH MIDDLE DOT;Lu;0;L;<compat> 004C 00B7;;;;N;;;;0140;
caseT{UpperCase, 0x013f, 0x013f},
caseT{LowerCase, 0x013f, 0x0140},
caseT{TitleCase, 0x013f, 0x013f},
// 0148;LATIN SMALL LETTER N WITH CARON;Ll;0;L;006E 030C;;;;N;LATIN SMALL LETTER N HACEK;;0147;;0147
caseT{UpperCase, 0x0148, 0x0147},
caseT{LowerCase, 0x0148, 0x0148},
caseT{TitleCase, 0x0148, 0x0147},
// Last block in the 5.1.0 table
// 10400;DESERET CAPITAL LETTER LONG I;Lu;0;L;;;;;N;;;;10428;
caseT{UpperCase, 0x10400, 0x10400},
caseT{LowerCase, 0x10400, 0x10428},
caseT{TitleCase, 0x10400, 0x10400},
// 10427;DESERET CAPITAL LETTER EW;Lu;0;L;;;;;N;;;;1044F;
caseT{UpperCase, 0x10427, 0x10427},
caseT{LowerCase, 0x10427, 0x1044F},
caseT{TitleCase, 0x10427, 0x10427},
// 10428;DESERET SMALL LETTER LONG I;Ll;0;L;;;;;N;;;10400;;10400
caseT{UpperCase, 0x10428, 0x10400},
caseT{LowerCase, 0x10428, 0x10428},
caseT{TitleCase, 0x10428, 0x10400},
// 1044F;DESERET SMALL LETTER EW;Ll;0;L;;;;;N;;;10427;;10427
caseT{UpperCase, 0x1044F, 0x10427},
caseT{LowerCase, 0x1044F, 0x1044F},
caseT{TitleCase, 0x1044F, 0x10427},
// First one not in the 5.1.0 table
// 10450;SHAVIAN LETTER PEEP;Lo;0;L;;;;;N;;;;;
caseT{UpperCase, 0x10450, 0x10450},
caseT{LowerCase, 0x10450, 0x10450},
caseT{TitleCase, 0x10450, 0x10450},
}
func TestIsLetter(t *testing.T) {
for i, r := range upperTest {
if !IsLetter(r) {
t.Errorf("IsLetter(U+%04X) = false, want true\n", r);
}
}
for i, r := range letterTest {
if !IsLetter(r) {
t.Errorf("IsLetter(U+%04X) = false, want true\n", r);
}
}
for i, r := range notletterTest {
if IsLetter(r) {
t.Errorf("IsLetter(U+%04X) = true, want false\n", r);
}
}
}
func TestIsUpper(t *testing.T) {
for i, r := range upperTest {
if !IsUpper(r) {
t.Errorf("IsUpper(U+%04X) = false, want true\n", r);
}
}
for i, r := range notupperTest {
if IsUpper(r) {
t.Errorf("IsUpper(U+%04X) = true, want false\n", r);
}
}
for i, r := range notletterTest {
if IsUpper(r) {
t.Errorf("IsUpper(U+%04X) = true, want false\n", r);
}
}
}
func caseString(c int) string {
switch c {
case UpperCase:
return "UpperCase"
case LowerCase:
return "LowerCase"
case TitleCase:
return "TitleCase"
}
return "ErrorCase"
}
func TestTo(t *testing.T) {
for i, c := range caseTest {
r := To(c.cas, c.in);
if c.out != r {
t.Errorf("To(U+%04X, %s) = U+%04X want U+%04X\n", c.in, caseString(c.cas), r, c.out);
}
}
}
func TestToUpperCase(t *testing.T) {
for i, c := range caseTest {
if c.cas != UpperCase {
continue
}
r := ToUpper(c.in);
if c.out != r {
t.Errorf("ToUpper(U+%04X) = U+%04X want U+%04X\n", c.in, r, c.out);
}
}
}
func TestToLowerCase(t *testing.T) {
for i, c := range caseTest {
if c.cas != LowerCase {
continue
}
r := ToLower(c.in);
if c.out != r {
t.Errorf("ToLower(U+%04X) = U+%04X want U+%04X\n", c.in, r, c.out);
}
}
}
func TestToTitleCase(t *testing.T) {
for i, c := range caseTest {
if c.cas != TitleCase {
continue
}
r := ToTitle(c.in);
if c.out != r {
t.Errorf("ToTitle(U+%04X) = U+%04X want U+%04X\n", c.in, r, c.out);
}
}
}
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