whatcanGOwrong

go/pkg/mod/github.com/!burnt!sushi/toml@v1.2.1/fuzz_test.go

@@ -0,0 +1,81 @@
+//go:build go1.18
+// +build go1.18
+
+package toml
+
+import (
+	"bytes"
+	"testing"
+)
+
+func FuzzDecode(f *testing.F) {
+	buf := make([]byte, 0, 2048)
+
+	f.Add(`
+# This is an example TOML document which shows most of its features.
+
+# Simple key/value with a string.
+title = "TOML example \U0001F60A"
+
+desc = """
+An example TOML document. \
+"""
+
+# Array with integers and floats in the various allowed formats.
+integers = [42, 0x42, 0o42, 0b0110]
+floats   = [1.42, 1e-02]
+
+# Array with supported datetime formats.
+times = [
+	2021-11-09T15:16:17+01:00,  # datetime with timezone.
+	2021-11-09T15:16:17Z,       # UTC datetime.
+	2021-11-09T15:16:17,        # local datetime.
+	2021-11-09,                 # local date.
+	15:16:17,                   # local time.
+]
+
+# Durations.
+duration = ["4m49s", "8m03s", "1231h15m55s"]
+
+# Table with inline tables.
+distros = [
+	{name = "Arch Linux", packages = "pacman"},
+	{name = "Void Linux", packages = "xbps"},
+	{name = "Debian",     packages = "apt"},
+]
+
+# Create new table; note the "servers" table is created implicitly.
+[servers.alpha]
+	# You can indent as you please, tabs or spaces.
+	ip        = '10.0.0.1'
+	hostname  = 'server1'
+	enabled   = false
+[servers.beta]
+	ip        = '10.0.0.2'
+	hostname  = 'server2'
+	enabled   = true
+
+# Start a new table array; note that the "characters" table is created implicitly.
+[[characters.star-trek]]
+	name = "James Kirk"
+	rank = "Captain\u0012 \t"
+[[characters.star-trek]]
+	name = "Spock"
+	rank = "Science officer"
+
+[undecoded] # To show the MetaData.Undecoded() feature.
+	key = "This table intentionally left undecoded"
+`)
+	f.Fuzz(func(t *testing.T, file string) {
+		var m map[string]interface{}
+		_, err := Decode(file, &m)
+		if err != nil {
+			t.Skip()
+		}
+
+		NewEncoder(bytes.NewBuffer(buf)).Encode(m)
+
+		// TODO: should check if the output is equal to the input, too, but some
+		// information is lost when encoding.
+	})
+}