func TestJSONScannerNextPeekRune(t *testing.T) {
testCaseList := []testCaseForJSONScannerPeekRune{
{data: "12345678", expected: "12345678"},
}
for testIndex, testCase := range testCaseList {
scanner := scanner.NewJSONScanner(strings.NewReader(testCase.data))
for expectedIndex, expected := range testCase.expected {
beforePosition := scanner.CurrentPosition()
actual, err := scanner.PeekRune()
afterPosition := scanner.CurrentPosition()
if err != nil {
t.Error(err)
}
if actual != expected {
t.Errorf("testCase[%d:%d] expected=%#v, actual=%#v", testIndex, expectedIndex, expected, actual)
}
if beforePosition != afterPosition {
t.Errorf("testCase[%d:%d] position is wrong", testIndex, expectedIndex)
}
scanner.NextRune()
}
actual, err := scanner.NextNonWhiteSpaceRune()
if err != io.EOF {
t.Logf("%s", string([]rune{actual}))
t.Errorf("testCase[%d] EOF not found", testIndex)
}
actual, err = scanner.NextRune()
if err != io.EOF {
t.Logf("%s", string([]rune{actual}))
t.Errorf("testCase[%d] EOF not found, current:%d", testIndex, scanner.CurrentPosition())
}
}
}
func TestJSONScannerNextCurrentPosition(t *testing.T) {
testCaseList := []testCaseForJSONScannerCurrentPosition{
{data: "12345678", expected: []int{0, 1, 2, 3, 4, 5, 6, 7, 8}},
}
for testIndex, testCase := range testCaseList {
scanner := scanner.NewJSONScanner(strings.NewReader(testCase.data))
for expectedIndex, expected := range testCase.expected {
actual := scanner.CurrentPosition()
if actual != expected {
t.Errorf("testCase[%d:%d] expected=%#v, actual=%#v", testIndex, expectedIndex, expected, actual)
}
scanner.NextRune()
}
actual, err := scanner.NextNonWhiteSpaceRune()
if err != io.EOF {
t.Logf("%s", string([]rune{actual}))
t.Errorf("testCase[%d] EOF not found", testIndex)
}
actual, err = scanner.NextRune()
if err != io.EOF {
t.Logf("%s", string([]rune{actual}))
t.Errorf("testCase[%d] EOF not found, current:%d", testIndex, scanner.CurrentPosition())
}
}
}
func TestJSONScannerNextPeekRuneWithOffset(t *testing.T) {
testCaseList := []testCaseForJSONScannerPeekRuneWithOffset{
{data: "12345678", expected: []rune{'1', '2', '3', '4', '5', '6', '7', '8'}},
}
for testIndex, testCase := range testCaseList {
scanner := scanner.NewJSONScanner(strings.NewReader(testCase.data))
index := 0
for expectedIndex, expected := range testCase.expected {
actual, err := scanner.PeekRuneWithOffset(index)
index++
if err != nil {
t.Fatal(err)
}
if actual != expected {
t.Errorf("testCase[%d:%d] expected=%#v, actual=%#v", testIndex, expectedIndex, expected, actual)
}
}
for expectedIndex, expected := range testCase.expected {
actual, err := scanner.NextRune()
if err != nil {
t.Fatal(err)
}
if actual != expected {
t.Errorf("testCase[%d:%d] expected=%#v, actual=%#v", testIndex, expectedIndex, expected, actual)
}
}
actual, err := scanner.NextNonWhiteSpaceRune()
if err != io.EOF {
t.Logf("%s", string([]rune{actual}))
t.Errorf("testCase[%d] EOF not found", testIndex)
}
actual, err = scanner.NextRune()
if err != io.EOF {
t.Logf("%s", string([]rune{actual}))
t.Errorf("testCase[%d] EOF not found, current:%d", testIndex, scanner.CurrentPosition())
}
}
}