2023-11-27 19:32:08 +00:00
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package eol_test
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import (
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"testing"
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"io"
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"strings"
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"sourcecode.social/reiver/go-utf8"
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"sourcecode.social/reiver/go-eol"
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)
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func TestReadNEL(t *testing.T) {
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tests := []struct{
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Value string
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ExpectedSize int
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}{
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{
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Value: "\u0085",
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ExpectedSize: 2,
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},
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{
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Value: "\u0085apple banana cherry",
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ExpectedSize: 2,
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},
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}
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for testNumber, test := range tests {
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var reader io.Reader = strings.NewReader(test.Value)
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var runescanner io.RuneScanner = utf8.NewRuneScanner(reader)
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actualSize, err := eol.ReadNEL(runescanner)
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if nil != err {
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t.Errorf("For test #%d, did not expect an error but actually got one.", testNumber)
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t.Logf("ERROR: (%T) %s", err, err)
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t.Logf("VALUE: %q", test.Value)
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continue
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}
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{
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expected := test.ExpectedSize
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actual := actualSize
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if expected != actual {
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t.Errorf("For test #%d, the actual size is not what was expected.", testNumber)
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t.Logf("EXPECTED: %d", expected)
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t.Logf("ACTUAL: %d", actual)
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t.Logf("VALUE: %q", test.Value)
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continue
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}
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}
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}
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}
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func TestReadNEL_fail(t *testing.T) {
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tests := []struct{
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Value string
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ExpectedError string
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}{
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{
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Value: "",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: problem reading character №1 of end-of-line sequence "\u0085": EOF`,
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2023-11-27 19:32:08 +00:00
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},
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{
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Value: "\n",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: next-line (NEL) character (U+0085) not found for end-of-line sequence "\u0085" character №1 — instead found '\n' (U+000A)`,
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2023-11-27 19:32:08 +00:00
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},
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{
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Value: "\r",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: next-line (NEL) character (U+0085) not found for end-of-line sequence "\u0085" character №1 — instead found '\r' (U+000D)`,
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2023-11-27 19:32:08 +00:00
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},
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{
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Value: "\u2028",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: next-line (NEL) character (U+0085) not found for end-of-line sequence "\u0085" character №1 — instead found '\u2028' (U+2028)`,
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2023-11-27 19:32:08 +00:00
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},
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{
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Value: "😈",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: next-line (NEL) character (U+0085) not found for end-of-line sequence "\u0085" character №1 — instead found '😈' (U+1F608)`,
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2023-11-27 19:32:08 +00:00
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},
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{
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Value: "\napple banana cherry",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: next-line (NEL) character (U+0085) not found for end-of-line sequence "\u0085" character №1 — instead found '\n' (U+000A)`,
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2023-11-27 19:32:08 +00:00
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},
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{
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Value: "\rapple banana cherry",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: next-line (NEL) character (U+0085) not found for end-of-line sequence "\u0085" character №1 — instead found '\r' (U+000D)`,
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2023-11-27 19:32:08 +00:00
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},
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{
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Value: "\u2028apple banana cherry",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: next-line (NEL) character (U+0085) not found for end-of-line sequence "\u0085" character №1 — instead found '\u2028' (U+2028)`,
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2023-11-27 19:32:08 +00:00
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},
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{
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Value: "😈apple banana cherry",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: next-line (NEL) character (U+0085) not found for end-of-line sequence "\u0085" character №1 — instead found '😈' (U+1F608)`,
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2023-11-27 19:32:08 +00:00
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},
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{
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Value: " \n",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: next-line (NEL) character (U+0085) not found for end-of-line sequence "\u0085" character №1 — instead found ' ' (U+0020)`,
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2023-11-27 19:32:08 +00:00
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},
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{
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Value: " \r",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: next-line (NEL) character (U+0085) not found for end-of-line sequence "\u0085" character №1 — instead found ' ' (U+0020)`,
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2023-11-27 19:32:08 +00:00
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},
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{
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Value: " \u0085",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: next-line (NEL) character (U+0085) not found for end-of-line sequence "\u0085" character №1 — instead found ' ' (U+0020)`,
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2023-11-27 19:32:08 +00:00
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},
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{
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Value: " \u2028",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: next-line (NEL) character (U+0085) not found for end-of-line sequence "\u0085" character №1 — instead found ' ' (U+0020)`,
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2023-11-27 19:32:08 +00:00
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},
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{
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Value: " 😈",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: next-line (NEL) character (U+0085) not found for end-of-line sequence "\u0085" character №1 — instead found ' ' (U+0020)`,
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2023-11-27 19:32:08 +00:00
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},
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{
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Value: ".\n",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: next-line (NEL) character (U+0085) not found for end-of-line sequence "\u0085" character №1 — instead found '.' (U+002E)`,
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2023-11-27 19:32:08 +00:00
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},
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{
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Value: ".\r",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: next-line (NEL) character (U+0085) not found for end-of-line sequence "\u0085" character №1 — instead found '.' (U+002E)`,
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2023-11-27 19:32:08 +00:00
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},
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{
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Value: ".\u0085",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: next-line (NEL) character (U+0085) not found for end-of-line sequence "\u0085" character №1 — instead found '.' (U+002E)`,
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2023-11-27 19:32:08 +00:00
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},
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{
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Value: ".\u2028",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: next-line (NEL) character (U+0085) not found for end-of-line sequence "\u0085" character №1 — instead found '.' (U+002E)`,
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2023-11-27 19:32:08 +00:00
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},
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{
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Value: ".😈",
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2023-11-28 16:09:19 +00:00
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ExpectedError: `eol: next-line (NEL) character (U+0085) not found for end-of-line sequence "\u0085" character №1 — instead found '.' (U+002E)`,
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2023-11-27 19:32:08 +00:00
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},
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}
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for testNumber, test := range tests {
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var reader io.Reader = strings.NewReader(test.Value)
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var runescanner io.RuneScanner = utf8.NewRuneScanner(reader)
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actualSize, err := eol.ReadNEL(runescanner)
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if nil == err {
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t.Errorf("For test #%d, expected an error but did not actually get one.", testNumber)
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t.Logf("EXPECTED-ERROR: %q", test.ExpectedError)
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t.Logf("VALUE: %q", test.Value)
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continue
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}
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{
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expected := test.ExpectedError
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actual := err.Error()
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if expected != actual {
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t.Errorf("For test #%d, the actual error is not what was expected.", testNumber)
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t.Logf("EXPECTED: %q", expected)
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t.Logf("ACTUAL: %q", actual)
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t.Logf("VALUE: %q", test.Value)
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continue
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}
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}
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{
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expected := 0
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actual := actualSize
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if expected != actual {
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t.Errorf("For test #%d, the actual size is not what was expected.", testNumber)
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t.Logf("EXPECTED: %d", expected)
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t.Logf("ACTUAL: %d", actual)
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t.Logf("VALUE: %q", test.Value)
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continue
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}
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}
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}
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}
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