Correct CRC-64 (ECMA 182) & add CRC-64 (XZ) and tests.

tests/core/hash/test_core_hash.odin

@@ -1,6 +1,7 @@
 package test_core_hash
 
 import "core:hash/xxhash"
+import "core:hash"
 import "core:time"
 import "core:testing"
 import "core:fmt"
@@ -32,6 +33,7 @@ main :: proc() {
 	t := testing.T{}
 	test_benchmark_runner(&t)
 	test_xxhash_vectors(&t)
+	test_crc64_vectors(&t)
 	fmt.printf("%v/%v tests successful.\n", TEST_count - TEST_fail, TEST_count)
 }
 
@@ -253,4 +255,33 @@ test_xxhash_vectors :: proc(t: ^testing.T) {
 			expect(t, xxh3_128  == v.xxh3_128_secret, xxh3_128_error)
 		}
 	}
+}
+
+@test
+test_crc64_vectors :: proc(t: ^testing.T) {
+	fmt.println("Verifying CRC-64:")
+
+	vectors := map[string][2]u64 {
+		"123456789" = {
+			0x6c40df5f0b497347, // ECMA-182,
+			0x995dc9bbdf1939fa, // XZ
+		},
+		"This is a test of the emergency broadcast system." = {
+			0x344fe1d09c983d13, // ECMA-182
+			0x27db187fc15bbc72, // XZ
+		},
+	}
+
+	for vector, expected in vectors {
+		fmt.println("\tVector:", vector)
+		b := transmute([]u8)vector
+		ecma := hash.crc64_ecma_182(b)
+		xz   := hash.crc64_xz(b)
+
+		ecma_error := fmt.tprintf("[CRC-64 ECMA] Expected: %016x. Got: %016x.", ecma, expected[0])
+		xz_error   := fmt.tprintf("[CRC-64 XZ  ] Expected: %016x. Got: %016x.", xz,   expected[1])
+
+		expect(t, ecma == expected[0], ecma_error)
+		expect(t, xz   == expected[1], xz_error)
+	}
 }