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Consume entire input in sexp parser

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This commit is contained in:
Brandon Dyck
2024-09-18 11:25:19 -06:00
parent 2d3c8748be
commit c770c1ca8b
2 changed files with 20 additions and 1 deletions
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14
csexp/sexp_test.go
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@@ -6,6 +6,7 @@ import (
"git.codemonkeysoftware.net/b/peachy-go/csexp"
"git.codemonkeysoftware.net/b/peachy-go/csexp/gen"
"github.com/shoenig/test"
"github.com/shoenig/test/must"
"pgregory.net/rapid"
)
@@ -33,6 +34,19 @@ func TestStringAndParseEqual(t *testing.T) {
})
}
func TestParseFails(t *testing.T) {
t.Run("with extra input", rapid.MakeCheck(func(t *rapid.T) {
sexp := gen.Sexp().Draw(t, "sexp")
b := []byte(sexp.String())
extra := rapid.SliceOfN(rapid.Byte(), 1, -1).Draw(t, "extra")
b = append(b, extra...)
parsed, err := csexp.Parse(b)
test.Error(t, err)
test.Nil(t, parsed)
}))
t.Run("with too little input", rapid.MakeCheck(func(t *rapid.T) {}))
}
func TestCloneEqual(t *testing.T) {
rapid.Check(t, func(t *rapid.T) {
sexp := gen.Sexp().Draw(t, "sexp")