Initial project import

tools/v/vlib/crypto/sha1/sha1_test.v

@@ -0,0 +1,38 @@
+// Copyright (c) 2019-2024 Alexander Medvednikov. All rights reserved.
+// Use of this source code is governed by an MIT license
+// that can be found in the LICENSE file.
+import crypto.sha1
+import hash
+
+// verify sha1.Digest implements hash.Hash
+fn test_digest_implements_hash() {
+	get_digest := fn () hash.Hash {
+		return sha1.new()
+	}
+}
+
+fn test_crypto_sha1() {
+	assert sha1.sum('This is a sha1 checksum.'.bytes()).hex() == 'e100d74442faa5dcd59463b808983c810a8eb5a1'
+}
+
+fn test_crypto_sha1_writer() {
+	mut digest := sha1.new()
+	digest.write('This is a'.bytes()) or { assert false }
+	digest.write(' sha1 checksum.'.bytes()) or { assert false }
+	mut sum := digest.sum([])
+	assert sum.hex() == 'e100d74442faa5dcd59463b808983c810a8eb5a1'
+	sum = digest.sum([])
+	assert sum.hex() == 'e100d74442faa5dcd59463b808983c810a8eb5a1'
+}
+
+fn test_crypto_sha1_writer_reset() {
+	mut digest := sha1.new()
+	digest.write('This is a'.bytes()) or { assert false }
+	digest.write(' sha1 checksum.'.bytes()) or { assert false }
+	_ = digest.sum([])
+	digest.reset()
+	digest.write('This is a'.bytes()) or { assert false }
+	digest.write(' sha1 checksum.'.bytes()) or { assert false }
+	sum := digest.sum([])
+	assert sum.hex() == 'e100d74442faa5dcd59463b808983c810a8eb5a1'
+}