rewrite checkpoint

vendor/github.com/kballard/go-shellquote/unquote_test.go

@@ -0,0 +1,53 @@
+package shellquote
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestSimpleSplit(t *testing.T) {
+	for _, elem := range simpleSplitTest {
+		output, err := Split(elem.input)
+		if err != nil {
+			t.Errorf("Input %q, got error %#v", elem.input, err)
+		} else if !reflect.DeepEqual(output, elem.output) {
+			t.Errorf("Input %q, got %q, expected %q", elem.input, output, elem.output)
+		}
+	}
+}
+
+func TestErrorSplit(t *testing.T) {
+	for _, elem := range errorSplitTest {
+		_, err := Split(elem.input)
+		if err != elem.error {
+			t.Errorf("Input %q, got error %#v, expected error %#v", elem.input, err, elem.error)
+		}
+	}
+}
+
+var simpleSplitTest = []struct {
+	input  string
+	output []string
+}{
+	{"hello", []string{"hello"}},
+	{"hello goodbye", []string{"hello", "goodbye"}},
+	{"hello   goodbye", []string{"hello", "goodbye"}},
+	{"glob* test?", []string{"glob*", "test?"}},
+	{"don\\'t you know the dewey decimal system\\?", []string{"don't", "you", "know", "the", "dewey", "decimal", "system?"}},
+	{"'don'\\''t you know the dewey decimal system?'", []string{"don't you know the dewey decimal system?"}},
+	{"one '' two", []string{"one", "", "two"}},
+	{"text with\\\na backslash-escaped newline", []string{"text", "witha", "backslash-escaped", "newline"}},
+	{"text \"with\na\" quoted newline", []string{"text", "with\na", "quoted", "newline"}},
+	{"\"quoted\\d\\\\\\\" text with\\\na backslash-escaped newline\"", []string{"quoted\\d\\\" text witha backslash-escaped newline"}},
+	{"foo\"bar\"baz", []string{"foobarbaz"}},
+}
+
+var errorSplitTest = []struct {
+	input string
+	error error
+}{
+	{"don't worry", UnterminatedSingleQuoteError},
+	{"'test'\\''ing", UnterminatedSingleQuoteError},
+	{"\"foo'bar", UnterminatedDoubleQuoteError},
+	{"foo\\", UnterminatedEscapeError},
+}