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package hclsyntax
import (
"testing"
"github.com/hashicorp/hcl/v2"
)
func TestValidIdentifier(t *testing.T) {
tests := []struct {
Input string
Want bool
}{
{"", false},
{"hello", true},
{"hello.world", false},
{"hello ", false},
{" hello", false},
{"hello\n", false},
{"hello world", false},
{"aws_instance", true},
{"aws.instance", false},
{"foo-bar", true},
{"foo--bar", true},
{"foo_", true},
{"foo-", true},
{"_foobar", true},
{"-foobar", false},
{"blah1", true},
{"blah1blah", true},
{"1blah1blah", false},
{"héllo", true}, // combining acute accent
{"Χαίρετε", true},
{"звать", true},
{"今日は", true},
{"\x80", false}, // UTF-8 continuation without an introducer
{"a\x80", false}, // UTF-8 continuation after a non-introducer
}
for _, test := range tests {
t.Run(test.Input, func(t *testing.T) {
got := ValidIdentifier(test.Input)
if got != test.Want {
t.Errorf("wrong result %#v; want %#v", got, test.Want)
}
})
}
}
var T Tokens
func BenchmarkLexConfig(b *testing.B) {
src := []byte("module \"once\" {\n source = \"../modules/foo\"\n}\n\nmodule \"twice\" {\n source = \"../modules/foo\"\n}\n")
filename := "testdata/dave/main.tf"
start := hcl.Pos{Line: 1, Column: 1, Byte: 0}
var tokens Tokens
for i := 0; i < b.N; i++ {
tokens, _ = LexConfig(src, filename, start)
}
T = tokens
}
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