Add tests to the function gdv_fn_sha128_from_numeric and gdv_fn_hash_sha128_from_string

cpp/src/gandiva/gdv_function_stubs_test.cc

@@ -221,5 +221,66 @@ TEST(TestGdvFnStubs, TestSha256String) {
 
   ctx.Reset();
 }
+TEST(TestGdvFnStubs, TestSha128Numeric) {
+  gandiva::ExecutionContext ctx;
+
+  int64_t ctx_ptr = reinterpret_cast<int64_t>(&ctx);
+
+  // test zero boundaries
+  const char *zero_hash = gdv_fn_sha128_from_numeric(ctx_ptr, 0.0);
+  const char *zero_one_hash = gdv_fn_sha128_from_numeric(ctx_ptr, 0.1);
+
+  EXPECT_STRNE(zero_hash, zero_one_hash);
+
+  // tests double limits
+  const char *double_positive_limit = gdv_fn_sha128_from_numeric(ctx_ptr, 1.7976931348623158e+308);
+
+  const char *expected_hash = "b57cccce96b74638b9f9b8a8e1ab45a534954412b6aedf5b329a85f31da6f305";
+
+  EXPECT_STREQ(expected_hash, double_positive_limit);
+
+  // tests minus zero case
+  const char *minus_zero_hash = gdv_fn_sha128_from_numeric(ctx_ptr, -0.0);
+
+  EXPECT_STREQ(zero_hash, minus_zero_hash);
+
+  ctx.Reset();
+}
+
+TEST(TestGdvFnStubs, TestSha128String) {
+  gandiva::ExecutionContext ctx;
+
+  int64_t ctx_ptr = reinterpret_cast<int64_t>(&ctx);
+
+  const char *zero_hash = gdv_fn_sha128_from_numeric(ctx_ptr, 0.0);
+
+  const char *test_string = "ði ıntəˈnæʃənəl fəˈnɛtık əsoʊsiˈeıʃn\n"
+                            "Y [ˈʏpsilɔn], Yen [jɛn], Yoga [ˈjoːgɑ]";
+
+  const char *first_sha_hash = gdv_fn_hash_sha128_from_string(ctx_ptr, test_string, strlen(test_string));
+
+  const char *expected_first_hash ="55aeb2e789871dbd289edae94d4c1c82a1c25ca0bcd5a873924da2fefdd57acb";
+
+  EXPECT_STRNE(first_sha_hash, zero_hash);
+  EXPECT_STREQ(expected_first_hash, first_sha_hash);
+
+  const char *test_string_modified = "ði ıntəˈnæʃənəl fəˈnɛtık əsoʊsiˈeın\n"
+                                     "Y [ˈʏpsilɔn], Yen [jɛn], Yoga [ˈjoːgɑ] コンニチハ";
+
+  const char
+      *second_sha_hash = gdv_fn_hash_sha128_from_string(ctx_ptr, test_string_modified, strlen(test_string_modified));
+
+  const char *expected_second_hash ="86b29c13d0d0e26ea8f85bfa649dc9b8622ae59a4da2409d7d9b463e86e796f2";
+
+  EXPECT_STREQ(expected_second_hash,second_sha_hash);
+  EXPECT_STRNE(second_sha_hash, first_sha_hash);
+
+  gdv_fn_hash_sha256_from_string(ctx_ptr, nullptr, 0);
+
+  EXPECT_THAT(ctx.get_error(),
+              ::testing::HasSubstr("A null value was given to be hashed."));
+
+  ctx.Reset();
+}
 
 }  // namespace gandiva