Unfold the "hcl" directory up into the root

The main HCL package is more visible this way, and so it's easier than
having to pick it out from dozens of other package directories.

1 files changed, 202 insertions, 0 deletions

diff --git a/hclsyntax/scan_string_lit_test.go b/hclsyntax/scan_string_lit_test.go
new file mode 100644
index 0000000..c1b8cd3
--- /dev/null
+++ b/hclsyntax/scan_string_lit_test.go
@@ -0,0 +1,202 @@
+package hclsyntax
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/davecgh/go-spew/spew"
+)
+
+func TestScanStringLit(t *testing.T) {
+	tests := []struct {
+		Input        string
+		WantQuoted   []string
+		WantUnquoted []string
+	}{
+		{
+			``,
+			[]string{},
+			[]string{},
+		},
+		{
+			`hello`,
+			[]string{`hello`},
+			[]string{`hello`},
+		},
+		{
+			`hello world`,
+			[]string{`hello world`},
+			[]string{`hello world`},
+		},
+		{
+			`hello\nworld`,
+			[]string{`hello`, `\n`, `world`},
+			[]string{`hello\nworld`},
+		},
+		{
+			`hello\🥁world`,
+			[]string{`hello`, `\🥁`, `world`},
+			[]string{`hello\🥁world`},
+		},
+		{
+			`hello\uabcdworld`,
+			[]string{`hello`, `\uabcd`, `world`},
+			[]string{`hello\uabcdworld`},
+		},
+		{
+			`hello\uabcdabcdworld`,
+			[]string{`hello`, `\uabcd`, `abcdworld`},
+			[]string{`hello\uabcdabcdworld`},
+		},
+		{
+			`hello\uabcworld`,
+			[]string{`hello`, `\uabc`, `world`},
+			[]string{`hello\uabcworld`},
+		},
+		{
+			`hello\U01234567world`,
+			[]string{`hello`, `\U01234567`, `world`},
+			[]string{`hello\U01234567world`},
+		},
+		{
+			`hello\U012345670123world`,
+			[]string{`hello`, `\U01234567`, `0123world`},
+			[]string{`hello\U012345670123world`},
+		},
+		{
+			`hello\Uabcdworld`,
+			[]string{`hello`, `\Uabcd`, `world`},
+			[]string{`hello\Uabcdworld`},
+		},
+		{
+			`hello\Uabcworld`,
+			[]string{`hello`, `\Uabc`, `world`},
+			[]string{`hello\Uabcworld`},
+		},
+		{
+			`hello\uworld`,
+			[]string{`hello`, `\u`, `world`},
+			[]string{`hello\uworld`},
+		},
+		{
+			`hello\Uworld`,
+			[]string{`hello`, `\U`, `world`},
+			[]string{`hello\Uworld`},
+		},
+		{
+			`hello\u`,
+			[]string{`hello`, `\u`},
+			[]string{`hello\u`},
+		},
+		{
+			`hello\U`,
+			[]string{`hello`, `\U`},
+			[]string{`hello\U`},
+		},
+		{
+			`hello\`,
+			[]string{`hello`, `\`},
+			[]string{`hello\`},
+		},
+		{
+			`hello$${world}`,
+			[]string{`hello`, `$${`, `world}`},
+			[]string{`hello`, `$${`, `world}`},
+		},
+		{
+			`hello$$world`,
+			[]string{`hello`, `$$`, `world`},
+			[]string{`hello`, `$$`, `world`},
+		},
+		{
+			`hello$world`,
+			[]string{`hello`, `$`, `world`},
+			[]string{`hello`, `$`, `world`},
+		},
+		{
+			`hello$`,
+			[]string{`hello`, `$`},
+			[]string{`hello`, `$`},
+		},
+		{
+			`hello$${`,
+			[]string{`hello`, `$${`},
+			[]string{`hello`, `$${`},
+		},
+		{
+			`hello%%{world}`,
+			[]string{`hello`, `%%{`, `world}`},
+			[]string{`hello`, `%%{`, `world}`},
+		},
+		{
+			`hello%%world`,
+			[]string{`hello`, `%%`, `world`},
+			[]string{`hello`, `%%`, `world`},
+		},
+		{
+			`hello%world`,
+			[]string{`hello`, `%`, `world`},
+			[]string{`hello`, `%`, `world`},
+		},
+		{
+			`hello%`,
+			[]string{`hello`, `%`},
+			[]string{`hello`, `%`},
+		},
+		{
+			`hello%%{`,
+			[]string{`hello`, `%%{`},
+			[]string{`hello`, `%%{`},
+		},
+		{
+			`hello\${world}`,
+			[]string{`hello`, `\$`, `{world}`},
+			[]string{`hello\`, `$`, `{world}`},
+		},
+		{
+			`hello\%{world}`,
+			[]string{`hello`, `\%`, `{world}`},
+			[]string{`hello\`, `%`, `{world}`},
+		},
+		{
+			"hello\nworld",
+			[]string{`hello`, "\n", `world`},
+			[]string{`hello`, "\n", `world`},
+		},
+		{
+			"hello\rworld",
+			[]string{`hello`, "\r", `world`},
+			[]string{`hello`, "\r", `world`},
+		},
+		{
+			"hello\r\nworld",
+			[]string{`hello`, "\r\n", `world`},
+			[]string{`hello`, "\r\n", `world`},
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.Input, func(t *testing.T) {
+			t.Run("quoted", func(t *testing.T) {
+				slices := scanStringLit([]byte(test.Input), true)
+				got := make([]string, len(slices))
+				for i, slice := range slices {
+					got[i] = string(slice)
+				}
+				if !reflect.DeepEqual(got, test.WantQuoted) {
+					t.Errorf("wrong result\ngot: %swant: %s", spew.Sdump(got), spew.Sdump(test.WantQuoted))
+				}
+			})
+			t.Run("unquoted", func(t *testing.T) {
+				slices := scanStringLit([]byte(test.Input), false)
+				got := make([]string, len(slices))
+				for i, slice := range slices {
+					got[i] = string(slice)
+				}
+				if !reflect.DeepEqual(got, test.WantUnquoted) {
+					t.Errorf("wrong result\ngot: %swant: %s", spew.Sdump(got), spew.Sdump(test.WantUnquoted))
+				}
+			})
+		})
+	}
+}