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go-utf8
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added more tests for utf8.ReadRune()

master
Charles Iliya Krempeaux 2024-03-31 09:21:44 -07:00
parent 9e32dafbd0
commit 8df674a055
1 changed files with 114 additions and 0 deletions
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114
readrune_test.go
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@ -612,3 +612,117 @@ func TestReadRunes(t *testing.T) {
} }
} }
} }
func TestReadRune_nilReader(t *testing.T) {
const expectedRune rune = 0
const expectedSize int = 0
const expectedError string = "Nil Reader"
var reader io.Reader // == nil
r, size, err := ReadRune(reader)
{
expected := expectedRune
actual := r
if expected != actual {
t.Error("The actual 'rune value' is not what was expected.")
t.Logf("EXPECTED: %q (%U)", expected, expected)
t.Logf("ACTUAL: %q (%U)", actual, actual)
t.Logf("RUNE: %q (%U)", r, r)
t.Logf("SIZE: %d", size)
t.Logf("ERROR: (%T) %s", err, err)
return
}
}
{
expected := expectedSize
actual := size
if expected != actual {
t.Error("The actual 'size' is not what was expected.")
t.Logf("EXPECTED: %d", expected)
t.Logf("ACTUAL: %d", actual)
t.Logf("RUNE: %q (%U)", r, r)
t.Logf("SIZE: %d", size)
t.Logf("ERROR: (%T) %s", err, err)
return
}
}
{
expected := expectedError
actual := err.Error()
if expected != actual {
t.Error("The actual 'error' is not what was expected.")
t.Logf("EXPECTED: %q", expected)
t.Logf("ACTUAL: %q", actual)
t.Logf("RUNE: %q (%U)", r, r)
t.Logf("SIZE: %d", size)
t.Logf("ERROR: (%T) %s", err, err)
return
}
}
}
func TestReadRune_emptyReader(t *testing.T) {
const expectedRune rune = 0
const expectedSize int = 0
const expectedError string = "EOF"
var reader io.Reader = strings.NewReader("")
r, size, err := ReadRune(reader)
{
expected := expectedRune
actual := r
if expected != actual {
t.Error("The actual 'rune value' is not what was expected.")
t.Logf("EXPECTED: %q (%U)", expected, expected)
t.Logf("ACTUAL: %q (%U)", actual, actual)
t.Logf("RUNE: %q (%U)", r, r)
t.Logf("SIZE: %d", size)
t.Logf("ERROR: (%T) %s", err, err)
return
}
}
{
expected := expectedSize
actual := size
if expected != actual {
t.Error("The actual 'size' is not what was expected.")
t.Logf("EXPECTED: %d", expected)
t.Logf("ACTUAL: %d", actual)
t.Logf("RUNE: %q (%U)", r, r)
t.Logf("SIZE: %d", size)
t.Logf("ERROR: (%T) %s", err, err)
return
}
}
{
expected := expectedError
actual := err.Error()
if expected != actual {
t.Error("The actual 'error' is not what was expected.")
t.Logf("EXPECTED: %q", expected)
t.Logf("ACTUAL: %q", actual)
t.Logf("RUNE: %q (%U)", r, r)
t.Logf("SIZE: %d", size)
t.Logf("ERROR: (%T) %s", err, err)
return
}
}
}