crc: add test vectors for the ANSI version.

The test cases match
http://reveng.sourceforge.net/crc-catalogue/16.htm for
CRC-16/DDS-110.

Signed-off-by: Michael Hope <[email protected]>

Author: nzmichaelh

tests/unit/lib/crc/main.c

@@ -20,6 +20,17 @@ void test_crc16(void)
 	zassert(crc16_ccitt(test2, sizeof(test2)) == 0xe5cc, "pass", "fail");
 }
 
+void test_crc16_ansi(void)
+{
+	u8_t test0[] = { };
+	u8_t test1[] = { 'A' };
+	u8_t test2[] = { '1', '2', '3', '4', '5', '6', '7', '8', '9' };
+
+	zassert(crc16_ansi(test0, sizeof(test0)) == 0x800d, "pass", "fail");
+	zassert(crc16_ansi(test1, sizeof(test1)) == 0x8f85, "pass", "fail");
+	zassert(crc16_ansi(test2, sizeof(test2)) == 0x9ecf, "pass", "fail");
+}
+
 void test_crc8_ccitt(void)
 {
 	u8_t test0[] = { 0 };
@@ -38,6 +49,7 @@ void test_main(void)
 {
 	ztest_test_suite(test_crc,
 			 ztest_unit_test(test_crc16),
+			 ztest_unit_test(test_crc16_ansi),
 			 ztest_unit_test(test_crc8_ccitt));
 	ztest_run_test_suite(test_crc);
 }