Release catalyst

caql/unquote_test.go

@@ -0,0 +1,125 @@
+// Adapted from https://github.com/golang/go
+// Original License:
+//
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the https://go.dev/LICENSE file.
+
+package caql
+
+import (
+	"strconv"
+	"testing"
+)
+
+type quoteTest struct {
+	in      string
+	out     string
+	ascii   string
+	graphic string
+}
+
+var quotetests = []quoteTest{
+	{in: "\a\b\f\r\n\t\v", out: `"\a\b\f\r\n\t\v"`, ascii: `"\a\b\f\r\n\t\v"`, graphic: `"\a\b\f\r\n\t\v"`},
+	{"\\", `"\\"`, `"\\"`, `"\\"`},
+	{"abc\xffdef", `"abc\xffdef"`, `"abc\xffdef"`, `"abc\xffdef"`},
+	{"\u263a", `"☺"`, `"\u263a"`, `"☺"`},
+	{"\U0010ffff", `"\U0010ffff"`, `"\U0010ffff"`, `"\U0010ffff"`},
+	{"\x04", `"\x04"`, `"\x04"`, `"\x04"`},
+	// Some non-printable but graphic runes. Final column is double-quoted.
+	{"!\u00a0!\u2000!\u3000!", `"!\u00a0!\u2000!\u3000!"`, `"!\u00a0!\u2000!\u3000!"`, "\"!\u00a0!\u2000!\u3000!\""},
+}
+
+type unQuoteTest struct {
+	in  string
+	out string
+}
+
+var unquotetests = []unQuoteTest{
+	{`""`, ""},
+	{`"a"`, "a"},
+	{`"abc"`, "abc"},
+	{`"☺"`, "☺"},
+	{`"hello world"`, "hello world"},
+	{`"\xFF"`, "\xFF"},
+	{`"\377"`, "\377"},
+	{`"\u1234"`, "\u1234"},
+	{`"\U00010111"`, "\U00010111"},
+	{`"\U0001011111"`, "\U0001011111"},
+	{`"\a\b\f\n\r\t\v\\\""`, "\a\b\f\n\r\t\v\\\""},
+	{`"'"`, "'"},
+
+	{`'a'`, "a"},
+	{`'☹'`, "☹"},
+	{`'\a'`, "\a"},
+	{`'\x10'`, "\x10"},
+	{`'\377'`, "\377"},
+	{`'\u1234'`, "\u1234"},
+	{`'\U00010111'`, "\U00010111"},
+	{`'\t'`, "\t"},
+	{`' '`, " "},
+	{`'\''`, "'"},
+	{`'"'`, "\""},
+
+	{"``", ``},
+	{"`a`", `a`},
+	{"`abc`", `abc`},
+	{"`☺`", `☺`},
+	{"`hello world`", `hello world`},
+	{"`\\xFF`", `\xFF`},
+	{"`\\377`", `\377`},
+	{"`\\`", `\`},
+	{"`\n`", "\n"},
+	{"`	`", `	`},
+	{"` `", ` `},
+	{"`a\rb`", "ab"},
+}
+
+var misquoted = []string{
+	``,
+	`"`,
+	`"a`,
+	`"'`,
+	`b"`,
+	`"\"`,
+	`"\9"`,
+	`"\19"`,
+	`"\129"`,
+	`'\'`,
+	`'\9'`,
+	`'\19'`,
+	`'\129'`,
+	// `'ab'`,
+	`"\x1!"`,
+	`"\U12345678"`,
+	`"\z"`,
+	"`",
+	"`xxx",
+	"`\"",
+	`"\'"`,
+	`'\"'`,
+	"\"\n\"",
+	"\"\\n\n\"",
+	"'\n'",
+}
+
+func TestUnquote(t *testing.T) {
+	for _, tt := range unquotetests {
+		if out, err := unquote(tt.in); err != nil || out != tt.out {
+			t.Errorf("unquote(%#q) = %q, %v want %q, nil", tt.in, out, err, tt.out)
+		}
+	}
+
+	// run the quote tests too, backward
+	for _, tt := range quotetests {
+		if in, err := unquote(tt.out); in != tt.in {
+			t.Errorf("unquote(%#q) = %q, %v, want %q, nil", tt.out, in, err, tt.in)
+		}
+	}
+
+	for _, s := range misquoted {
+		if out, err := unquote(s); out != "" || err != strconv.ErrSyntax {
+			t.Errorf("unquote(%#q) = %q, %v want %q, %v", s, out, err, "", strconv.ErrSyntax)
+		}
+	}
+}