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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_test

import (
        "testing"
        . "unicode"
)

var testDigit = []rune{
        0x0030,
        0x0039,
        0x0661,
        0x06F1,
        0x07C9,
        0x0966,
        0x09EF,
        0x0A66,
        0x0AEF,
        0x0B66,
        0x0B6F,
        0x0BE6,
        0x0BEF,
        0x0C66,
        0x0CEF,
        0x0D66,
        0x0D6F,
        0x0E50,
        0x0E59,
        0x0ED0,
        0x0ED9,
        0x0F20,
        0x0F29,
        0x1040,
        0x1049,
        0x1090,
        0x1091,
        0x1099,
        0x17E0,
        0x17E9,
        0x1810,
        0x1819,
        0x1946,
        0x194F,
        0x19D0,
        0x19D9,
        0x1B50,
        0x1B59,
        0x1BB0,
        0x1BB9,
        0x1C40,
        0x1C49,
        0x1C50,
        0x1C59,
        0xA620,
        0xA629,
        0xA8D0,
        0xA8D9,
        0xA900,
        0xA909,
        0xAA50,
        0xAA59,
        0xFF10,
        0xFF19,
        0x104A1,
        0x1D7CE,
}

var testLetter = []rune{
        0x0041,
        0x0061,
        0x00AA,
        0x00BA,
        0x00C8,
        0x00DB,
        0x00F9,
        0x02EC,
        0x0535,
        0x06E6,
        0x093D,
        0x0A15,
        0x0B99,
        0x0DC0,
        0x0EDD,
        0x1000,
        0x1200,
        0x1312,
        0x1401,
        0x1885,
        0x2C00,
        0xA800,
        0xF900,
        0xFA30,
        0xFFDA,
        0xFFDC,
        0x10000,
        0x10300,
        0x10400,
        0x20000,
        0x2F800,
        0x2FA1D,
}

func TestDigit(t *testing.T) {
        for _, r := range testDigit {
                if !IsDigit(r) {
                        t.Errorf("IsDigit(U+%04X) = false, want true", r)
                }
        }
        for _, r := range testLetter {
                if IsDigit(r) {
                        t.Errorf("IsDigit(U+%04X) = true, want false", r)
                }
        }
}

// Test that the special case in IsDigit agrees with the table
func TestDigitOptimization(t *testing.T) {
        for i := rune(0); i <= MaxLatin1; i++ {
                if Is(Digit, i) != IsDigit(i) {
                        t.Errorf("IsDigit(U+%04X) disagrees with Is(Digit)", i)
                }
        }
}