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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgo/] [go/] [exp/] [norm/] [composition_test.go] - Rev 833
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// Copyright 2011 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 norm
import "testing"
// TestCase is used for most tests.
type TestCase struct {
in []rune
out []rune
}
type insertFunc func(rb *reorderBuffer, r rune) bool
func insert(rb *reorderBuffer, r rune) bool {
src := inputString(string(r))
return rb.insert(src, 0, rb.f.info(src, 0))
}
func runTests(t *testing.T, name string, fm Form, f insertFunc, tests []TestCase) {
rb := reorderBuffer{}
rb.init(fm, nil)
for i, test := range tests {
rb.reset()
for j, rune := range test.in {
b := []byte(string(rune))
src := inputBytes(b)
if !rb.insert(src, 0, rb.f.info(src, 0)) {
t.Errorf("%s:%d: insert failed for rune %d", name, i, j)
}
}
if rb.f.composing {
rb.compose()
}
if rb.nrune != len(test.out) {
t.Errorf("%s:%d: length = %d; want %d", name, i, rb.nrune, len(test.out))
continue
}
for j, want := range test.out {
found := rune(rb.runeAt(j))
if found != want {
t.Errorf("%s:%d: runeAt(%d) = %U; want %U", name, i, j, found, want)
}
}
}
}
func TestFlush(t *testing.T) {
rb := reorderBuffer{}
rb.init(NFC, nil)
out := make([]byte, 0)
out = rb.flush(out)
if len(out) != 0 {
t.Errorf("wrote bytes on flush of empty buffer. (len(out) = %d)", len(out))
}
for _, r := range []rune("world!") {
insert(&rb, r)
}
out = []byte("Hello ")
out = rb.flush(out)
want := "Hello world!"
if string(out) != want {
t.Errorf(`output after flush was "%s"; want "%s"`, string(out), want)
}
if rb.nrune != 0 {
t.Errorf("flush: non-null size of info buffer (rb.nrune == %d)", rb.nrune)
}
if rb.nbyte != 0 {
t.Errorf("flush: non-null size of byte buffer (rb.nbyte == %d)", rb.nbyte)
}
}
var insertTests = []TestCase{
{[]rune{'a'}, []rune{'a'}},
{[]rune{0x300}, []rune{0x300}},
{[]rune{0x300, 0x316}, []rune{0x316, 0x300}}, // CCC(0x300)==230; CCC(0x316)==220
{[]rune{0x316, 0x300}, []rune{0x316, 0x300}},
{[]rune{0x41, 0x316, 0x300}, []rune{0x41, 0x316, 0x300}},
{[]rune{0x41, 0x300, 0x316}, []rune{0x41, 0x316, 0x300}},
{[]rune{0x300, 0x316, 0x41}, []rune{0x316, 0x300, 0x41}},
{[]rune{0x41, 0x300, 0x40, 0x316}, []rune{0x41, 0x300, 0x40, 0x316}},
}
func TestInsert(t *testing.T) {
runTests(t, "TestInsert", NFD, insert, insertTests)
}
var decompositionNFDTest = []TestCase{
{[]rune{0xC0}, []rune{0x41, 0x300}},
{[]rune{0xAC00}, []rune{0x1100, 0x1161}},
{[]rune{0x01C4}, []rune{0x01C4}},
{[]rune{0x320E}, []rune{0x320E}},
{[]rune("음ẻ과"), []rune{0x110B, 0x1173, 0x11B7, 0x65, 0x309, 0x1100, 0x116A}},
}
var decompositionNFKDTest = []TestCase{
{[]rune{0xC0}, []rune{0x41, 0x300}},
{[]rune{0xAC00}, []rune{0x1100, 0x1161}},
{[]rune{0x01C4}, []rune{0x44, 0x5A, 0x030C}},
{[]rune{0x320E}, []rune{0x28, 0x1100, 0x1161, 0x29}},
}
func TestDecomposition(t *testing.T) {
runTests(t, "TestDecompositionNFD", NFD, insert, decompositionNFDTest)
runTests(t, "TestDecompositionNFKD", NFKD, insert, decompositionNFKDTest)
}
var compositionTest = []TestCase{
{[]rune{0x41, 0x300}, []rune{0xC0}},
{[]rune{0x41, 0x316}, []rune{0x41, 0x316}},
{[]rune{0x41, 0x300, 0x35D}, []rune{0xC0, 0x35D}},
{[]rune{0x41, 0x316, 0x300}, []rune{0xC0, 0x316}},
// blocking starter
{[]rune{0x41, 0x316, 0x40, 0x300}, []rune{0x41, 0x316, 0x40, 0x300}},
{[]rune{0x1100, 0x1161}, []rune{0xAC00}},
// parenthesized Hangul, alternate between ASCII and Hangul.
{[]rune{0x28, 0x1100, 0x1161, 0x29}, []rune{0x28, 0xAC00, 0x29}},
}
func TestComposition(t *testing.T) {
runTests(t, "TestComposition", NFC, insert, compositionTest)
}
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