chore: embed hysteria, clean irrelevant codes, code from https://github.com/HyNetwork/hysteria

transport/hysteria/obfs/xplus_test.go

@@ -0,0 +1,31 @@
+package obfs
+
+import (
+	"bytes"
+	"testing"
+)
+
+func TestXPlusObfuscator(t *testing.T) {
+	x := NewXPlusObfuscator([]byte("Vaundy"))
+	tests := []struct {
+		name string
+		p    []byte
+	}{
+		{name: "1", p: []byte("HelloWorld")},
+		{name: "2", p: []byte("Regret is just a horrible attempt at time travel that ends with you feeling like crap")},
+		{name: "3", p: []byte("To be, or not to be, that is the question:\nWhether 'tis nobler in the mind to suffer\n" +
+			"The slings and arrows of outrageous fortune,\nOr to take arms against a sea of troubles\n" +
+			"And by opposing end them. To die—to sleep,\nNo more; and by a sleep to say we end")},
+		{name: "empty", p: []byte("")},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			buf := make([]byte, 10240)
+			n := x.Obfuscate(tt.p, buf)
+			n2 := x.Deobfuscate(buf[:n], buf[n:])
+			if !bytes.Equal(tt.p, buf[n:n+n2]) {
+				t.Errorf("Inconsistent deobfuscate result: got %v, want %v", buf[n:n+n2], tt.p)
+			}
+		})
+	}
+}