1 files changed, 84 insertions, 0 deletions
diff --git a/src/tests/utils-hex2bin.cpp b/src/tests/utils-hex2bin.cpp
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+++ b/src/tests/utils-hex2bin.cpp
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+/*
+ * Copyright (c) 2020 [Ribose Inc](https://www.ribose.com).
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *
+ * 2.  Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "rnp_tests.h"
+
+TEST_F(rnp_tests, test_utils_hex2bin)
+{
+    // with 0x prefix
+    {
+        uint8_t buf[4];
+        assert_int_equal(rnp::hex_decode("0xfeedbeef", buf, sizeof(buf)), 4);
+        assert_int_equal(0, memcmp(buf, "\xfe\xed\xbe\xef", 4));
+    }
+    // with 0X prefix, capital
+    {
+        uint8_t buf[4];
+        assert_int_equal(rnp::hex_decode("0XFEEDBEEF", buf, sizeof(buf)), 4);
+        assert_int_equal(0, memcmp(buf, "\xfe\xed\xbe\xef", 4));
+    }
+    // without 0x prefix
+    {
+        uint8_t buf[4];
+        assert_int_equal(rnp::hex_decode("feedbeef", buf, sizeof(buf)), 4);
+        assert_int_equal(0, memcmp(buf, "\xfe\xed\xbe\xef", 4));
+    }
+    // keyid with spaces
+    {
+        uint8_t buf[PGP_KEY_ID_SIZE];
+        assert_int_equal(rnp::hex_decode("4be1 47bb 22df 1e60", buf, sizeof(buf)),
+                         PGP_KEY_ID_SIZE);
+        assert_int_equal(0, memcmp(buf, "\x4b\xe1\x47\xbb\x22\xdf\x1e\x60", PGP_KEY_ID_SIZE));
+    }
+    // keyid with spaces and tab
+    {
+        uint8_t buf[PGP_KEY_ID_SIZE];
+        assert_int_equal(rnp::hex_decode("    4be147bb\t22df1e60   ", buf, sizeof(buf)),
+                         PGP_KEY_ID_SIZE);
+        assert_int_equal(0, memcmp(buf, "\x4b\xe1\x47\xbb\x22\xdf\x1e\x60", PGP_KEY_ID_SIZE));
+    }
+    // buffer is too small
+    {
+        uint8_t buf[4];
+        assert_int_equal(rnp::hex_decode("4be147bb22df1e60   ", buf, sizeof(buf)), 0);
+    }
+    // wrong hex length
+    {
+        uint8_t buf[2];
+        assert_int_equal(rnp::hex_decode("0xA", buf, sizeof(buf)), 0);
+    }
+    // wrong hex chars
+    {
+        uint8_t buf[2];
+        assert_int_equal(rnp::hex_decode("0xYY", buf, sizeof(buf)), 0);
+    }
+    // too small buffer for encoding
+    {
+        uint8_t buf[2] = {0xAB, 0xCD};
+        char    hex[4];
+        assert_false(rnp::hex_encode(buf, sizeof(buf), hex, sizeof(hex), rnp::HEX_LOWERCASE));
+    }
+}