package cc20p1305ssh

import (
	`testing`

	`golang.org/x/crypto/chacha20`
	`golang.org/x/crypto/chacha20poly1305`
)

func TestChaCha20FixedNonceSize(t *testing.T) {

	if NonceSize != chacha20.NonceSize {
		t.Fatal(
			"Mismatched ChaCha20 nonce sizes;\n" +
				"\tgolang.org/x/crypto/chacha20 only supports 12 or 24 bytes nonce size,\n\t" +
				"the chacha20poly1305@openssh.com variant only supports a nonce of 16 bytes.\n\t" +
				"vendor/golang.org/x/crypto/chacha20/chacha_generic.go:NonceSize must be modified.",
		)
	}
	t.Log("The nonce size modification for chacha20 is correct.")
}

func TestChaCha20Poly1305FixedNonceSize(t *testing.T) {

	if NonceSize != chacha20poly1305.NonceSize {
		t.Fatal(
			"Mismatched ChaCha20Poly1305 nonce sizes;\n" +
				"\tgolang.org/x/crypto/chacha20poly1305 only supports 12 or 24 bytes nonce size,\n\t" +
				"the chacha20poly1305@openssh.com variant only supports a nonce of 16 bytes.\n\t" +
				"vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305.go:NonceSize must be modified.",
		)
	}
	t.Log("The nonce size modification for chacha20poly1305 is correct.")
}