Code

frontend: Improved parser error reporting.
[sysdb.git] / t / unit / core / data_test.c
index 742466eec0008c599824de8c49bb37aacefc3d65..a647e020bb7e63b8b34d3d95c6eee81201c00474 100644 (file)
@@ -38,6 +38,10 @@ START_TEST(test_data)
        sdb_data_t d1, d2;
        int check;
 
+       int64_t int_values[] = { 47, 11, 23 };
+       char *string_values[] = { "foo", "bar", "qux" "baz" };
+       size_t i;
+
        d2.type = SDB_TYPE_INTEGER;
        d2.data.integer = 4711;
        memset(&d1, 0, sizeof(d1));
@@ -174,18 +178,58 @@ START_TEST(test_data)
        fail_unless(d1.type == d2.type,
                        "sdb_data_copy() didn't copy type; got: %i; expected: %i",
                        d1.type, d2.type);
-       fail_unless(d1.data.re.raw == d2.data.re.raw,
-                       "sdb_data_copy() didn't copy raw regex: got: %s; expected: %s",
-                       d1.data.re.raw, d2.data.re.raw);
 
+       d2.type = SDB_TYPE_ARRAY | SDB_TYPE_INTEGER;
+       d2.data.array.length = SDB_STATIC_ARRAY_LEN(int_values);
+       d2.data.array.values = int_values;
+       check = sdb_data_copy(&d1, &d2);
+       fail_unless(!check, "sdb_data_copy() = %i; expected: 0", check);
+       fail_unless(d1.type == d2.type,
+                       "sdb_data_copy() didn't copy type; got: %i; expected: %i",
+                       d1.type, d2.type);
+       fail_unless(d1.data.array.values != d2.data.array.values,
+                       "sdb_data_copy() didn't copy values: got: %p; expected: %p",
+                       d1.data.array.values, d2.data.array.values);
+       for (i = 0; i < SDB_STATIC_ARRAY_LEN(int_values); ++i) {
+               int *i1 = d1.data.array.values;
+               int *i2 = d2.data.array.values;
+               fail_unless(i1[i] == i2[i],
+                               "sdb_data_copy() modified integer value %d: "
+                               "got: %d; expected: %d", i, i1[i], i2[i]);
+       }
+       sdb_data_free_datum(&d1);
+
+       d2.type = SDB_TYPE_ARRAY | SDB_TYPE_STRING;
+       d2.data.array.length = SDB_STATIC_ARRAY_LEN(string_values);
+       d2.data.array.values = string_values;
+       check = sdb_data_copy(&d1, &d2);
+       fail_unless(!check, "sdb_data_copy() = %i; expected: 0", check);
+       fail_unless(d1.type == d2.type,
+                       "sdb_data_copy() didn't copy type; got: %i; expected: %i",
+                       d1.type, d2.type);
+       fail_unless(d1.data.array.values != d2.data.array.values,
+                       "sdb_data_copy() didn't copy values: got: %p; expected: %p",
+                       d1.data.array.values, d2.data.array.values);
+       for (i = 0; i < SDB_STATIC_ARRAY_LEN(string_values); ++i) {
+               char **s1 = d1.data.array.values;
+               char **s2 = d2.data.array.values;
+               fail_unless(s1[i] != s2[i],
+                               "sdb_data_copy() didn't copy string value %d", i);
+               fail_unless(!strcmp(s1[i], s2[i]),
+                               "sdb_data_copy() modified string value %d: "
+                               "got: %s; expected: %s", i, s1[i], s2[i]);
+       }
        sdb_data_free_datum(&d1);
-       fail_unless(d1.data.re.raw == NULL,
-                       "sdb_data_free_datum() didn't reset raw regex");
 }
 END_TEST
 
 START_TEST(test_cmp)
 {
+       int64_t int_values1[] = { 1, 2, 3 };
+       int64_t int_values2[] = { 1, 3, 2 };
+       char *string_values1[] = { "a", "b", "c" };
+       char *string_values2[] = { "a", "c", "b" };
+
        struct {
                sdb_data_t d1;
                sdb_data_t d2;
@@ -361,6 +405,72 @@ START_TEST(test_cmp)
                        { SDB_TYPE_REGEX, { .re = { "a", empty_re } } },
                        1,
                },
+               {
+                       {
+                               SDB_TYPE_ARRAY | SDB_TYPE_INTEGER,
+                               { .array = { SDB_STATIC_ARRAY_LEN(int_values1), int_values1 } },
+                       },
+                       {
+                               SDB_TYPE_ARRAY | SDB_TYPE_INTEGER,
+                               { .array = { SDB_STATIC_ARRAY_LEN(int_values1), int_values1 } },
+                       },
+                       0,
+               },
+               {
+                       {
+                               SDB_TYPE_ARRAY | SDB_TYPE_INTEGER,
+                               { .array = { SDB_STATIC_ARRAY_LEN(int_values1), int_values1 } },
+                       },
+                       {
+                               SDB_TYPE_ARRAY | SDB_TYPE_INTEGER,
+                               { .array = { SDB_STATIC_ARRAY_LEN(int_values2), int_values2 } },
+                       },
+                       -1,
+               },
+               {
+                       {
+                               SDB_TYPE_ARRAY | SDB_TYPE_INTEGER,
+                               { .array = { SDB_STATIC_ARRAY_LEN(int_values2), int_values2 } },
+                       },
+                       {
+                               SDB_TYPE_ARRAY | SDB_TYPE_INTEGER,
+                               { .array = { SDB_STATIC_ARRAY_LEN(int_values1), int_values1 } },
+                       },
+                       1,
+               },
+               {
+                       {
+                               SDB_TYPE_ARRAY | SDB_TYPE_STRING,
+                               { .array = { SDB_STATIC_ARRAY_LEN(string_values1), string_values1 } },
+                       },
+                       {
+                               SDB_TYPE_ARRAY | SDB_TYPE_STRING,
+                               { .array = { SDB_STATIC_ARRAY_LEN(string_values1), string_values1 } },
+                       },
+                       0,
+               },
+               {
+                       {
+                               SDB_TYPE_ARRAY | SDB_TYPE_STRING,
+                               { .array = { SDB_STATIC_ARRAY_LEN(string_values1), string_values1 } },
+                       },
+                       {
+                               SDB_TYPE_ARRAY | SDB_TYPE_STRING,
+                               { .array = { SDB_STATIC_ARRAY_LEN(string_values2), string_values2 } },
+                       },
+                       -1,
+               },
+               {
+                       {
+                               SDB_TYPE_ARRAY | SDB_TYPE_STRING,
+                               { .array = { SDB_STATIC_ARRAY_LEN(string_values2), string_values2 } },
+                       },
+                       {
+                               SDB_TYPE_ARRAY | SDB_TYPE_STRING,
+                               { .array = { SDB_STATIC_ARRAY_LEN(string_values1), string_values1 } },
+                       },
+                       1,
+               },
        };
 
        size_t i;
@@ -617,8 +727,120 @@ START_TEST(test_strcmp)
 }
 END_TEST
 
+START_TEST(test_inarray)
+{
+       int64_t int_values[] = { 47, 11, 64 };
+       double dec_values[] = { 12.3, 47.11, 64.0 };
+       char *string_values[] = { "foo", "bar", "qux", "baz" };
+
+       sdb_data_t int_array = {
+               SDB_TYPE_ARRAY | SDB_TYPE_INTEGER,
+               { .array = { SDB_STATIC_ARRAY_LEN(int_values), int_values } }
+       };
+       sdb_data_t dec_array = {
+               SDB_TYPE_ARRAY | SDB_TYPE_DECIMAL,
+               { .array = { SDB_STATIC_ARRAY_LEN(dec_values), dec_values } }
+       };
+       sdb_data_t string_array = {
+               SDB_TYPE_ARRAY | SDB_TYPE_STRING,
+               { .array = { SDB_STATIC_ARRAY_LEN(string_values), string_values } }
+       };
+
+       struct {
+               sdb_data_t value;
+               sdb_data_t array;
+               _Bool expected;
+       } golden_data[] = {
+               { { SDB_TYPE_INTEGER, { .integer = 47    } }, int_array,    1 },
+               { { SDB_TYPE_INTEGER, { .integer = 11    } }, int_array,    1 },
+               { { SDB_TYPE_INTEGER, { .integer = 64    } }, int_array,    1 },
+               { { SDB_TYPE_INTEGER, { .integer = 65    } }, int_array,    0 },
+               { { SDB_TYPE_NULL,    { .integer = 0     } }, int_array,    0 },
+               { int_array, { SDB_TYPE_INTEGER, { .integer = 47    } },    0 },
+               { int_array, int_array, 0 },
+               { { SDB_TYPE_DECIMAL, { .decimal = 12.3  } }, dec_array,    1 },
+               { { SDB_TYPE_DECIMAL, { .decimal = 47.11 } }, dec_array,    1 },
+               { { SDB_TYPE_DECIMAL, { .decimal = 64.0  } }, dec_array,    1 },
+               { { SDB_TYPE_DECIMAL, { .decimal = 60.0  } }, dec_array,    0 },
+               { { SDB_TYPE_INTEGER, { .integer = 64    } }, dec_array,    0 },
+               { { SDB_TYPE_NULL,    { .integer = 0     } }, dec_array,    0 },
+               { { SDB_TYPE_STRING,  { .string  = "Foo" } }, string_array, 1 },
+               { { SDB_TYPE_STRING,  { .string  = "FOO" } }, string_array, 1 },
+               { { SDB_TYPE_STRING,  { .string  = "foo" } }, string_array, 1 },
+               { { SDB_TYPE_STRING,  { .string  = "bar" } }, string_array, 1 },
+               { { SDB_TYPE_STRING,  { .string  = "qux" } }, string_array, 1 },
+               { { SDB_TYPE_STRING,  { .string  = "baz" } }, string_array, 1 },
+               { { SDB_TYPE_STRING,  { .string  = "ba"  } }, string_array, 0 },
+               { { SDB_TYPE_STRING,  { .string  = "abc" } }, string_array, 0 },
+               { { SDB_TYPE_NULL,    { .integer = 0     } }, string_array, 0 },
+       };
+
+       size_t i;
+
+       for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data); ++i) {
+               char v_str[1024] = "", a_str[1024] = "";
+               _Bool check;
+
+               sdb_data_format(&golden_data[i].value,
+                               v_str, sizeof(v_str), SDB_UNQUOTED);
+               sdb_data_format(&golden_data[i].array,
+                               a_str, sizeof(a_str), SDB_UNQUOTED);
+
+               check = sdb_data_inarray(&golden_data[i].value, &golden_data[i].array);
+               fail_unless(check == golden_data[i].expected,
+                               "sdb_data_inarray(%s, %s) = %d; expected: %d",
+                               v_str, a_str, check, golden_data[i].expected);
+       }
+}
+END_TEST
+
+START_TEST(test_parse_op)
+{
+       struct {
+               const char *op;
+               int id;
+       } golden_data[] = {
+               { "+",  SDB_DATA_ADD },
+               { "-",  SDB_DATA_SUB },
+               { "*",  SDB_DATA_MUL },
+               { "/",  SDB_DATA_DIV },
+               { "%",  SDB_DATA_MOD },
+               { "||", SDB_DATA_CONCAT },
+               { "&&", -1 },
+       };
+
+       size_t i;
+
+       for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data); ++i) {
+               const char *op;
+               int id;
+
+               id = sdb_data_parse_op(golden_data[i].op);
+               fail_unless(id == golden_data[i].id,
+                               "sdb_data_parse_op(%s) = %d; expected: %d",
+                               golden_data[i].op, id, golden_data[i].id);
+
+               if (id <= 0)
+                       continue;
+
+               op = SDB_DATA_OP_TO_STRING(id);
+               fail_unless(!strcmp(op, golden_data[i].op),
+                               "SDB_DATA_OP_TO_STRING(%d) = '%s'; expected: '%s'",
+                               id, op, golden_data[i].op);
+       }
+}
+END_TEST
+
 START_TEST(test_expr_eval)
 {
+       sdb_data_t err = { -1, { .integer = 0 } };
+
+       int64_t int_values[] = { 47, 11, 23 };
+       int64_t expected_int_concat[] = { 47, 11, 23, 47, 11, 23 };
+       char *string_values[] = { "foo", "bar", "qux" "baz" };
+       char *expected_string_concat[] =
+               { "foo", "bar", "qux" "baz", "foo", "bar", "qux" "baz" };
+
        struct {
                sdb_data_t d1;
                sdb_data_t d2;
@@ -637,7 +859,7 @@ START_TEST(test_expr_eval)
                        { SDB_TYPE_INTEGER, { .integer = 221417 } },
                        { SDB_TYPE_INTEGER, { .integer = 100 } },
                        { SDB_TYPE_INTEGER, { .integer = 11 } },
-                       SDB_DATA_INIT,
+                       err,
                },
                {
                        { SDB_TYPE_DECIMAL, { .decimal = 35.0 } },
@@ -647,46 +869,46 @@ START_TEST(test_expr_eval)
                        { SDB_TYPE_DECIMAL, { .decimal = 612.5 } },
                        { SDB_TYPE_DECIMAL, { .decimal = 2.0 } },
                        { SDB_TYPE_DECIMAL, { .decimal = 0.0 } },
-                       SDB_DATA_INIT,
+                       err,
                },
                {
                        { SDB_TYPE_STRING, { .string = NULL } },
                        { SDB_TYPE_STRING, { .string = "" } },
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       { SDB_TYPE_STRING, { .string = "" } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
                },
                {
                        { SDB_TYPE_STRING, { .string = NULL } },
                        { SDB_TYPE_STRING, { .string = NULL } },
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       { SDB_TYPE_STRING, { .string = NULL } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
                },
                {
                        { SDB_TYPE_STRING, { .string = "" } },
                        { SDB_TYPE_STRING, { .string = NULL } },
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       { SDB_TYPE_STRING, { .string = "" } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
                },
                {
                        { SDB_TYPE_STRING, { .string = "a" } },
                        { SDB_TYPE_STRING, { .string = "b" } },
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
+                       err,
+                       err,
+                       err,
+                       err,
+                       err,
                        { SDB_TYPE_STRING, { .string = "ab" } },
                },
                {
@@ -697,37 +919,37 @@ START_TEST(test_expr_eval)
                        { SDB_TYPE_DATETIME, { .datetime = 221957403521 } },
                        { SDB_TYPE_DATETIME, { .datetime = 10001 } },
                        { SDB_TYPE_DATETIME, { .datetime = 0 } },
-                       SDB_DATA_INIT,
+                       err,
                },
                {
                        { SDB_TYPE_BINARY, { .binary = { 0, NULL } } },
                        { SDB_TYPE_BINARY, { .binary = { 1, (unsigned char *)"a" } } },
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       { SDB_TYPE_BINARY, { .binary = { 1, (unsigned char *)"a" } } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
                },
                {
                        { SDB_TYPE_BINARY, { .binary = { 0, NULL } } },
                        { SDB_TYPE_BINARY, { .binary = { 0, NULL } } },
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       { SDB_TYPE_BINARY, { .binary = { 0, NULL } } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
                },
                {
                        { SDB_TYPE_BINARY, { .binary = { 1, (unsigned char *)"a" } } },
                        { SDB_TYPE_BINARY, { .binary = { 0, NULL } } },
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       { SDB_TYPE_BINARY, { .binary = { 1, (unsigned char *)"a" } } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
                },
                {
                        {
@@ -738,11 +960,11 @@ START_TEST(test_expr_eval)
                                SDB_TYPE_BINARY,
                                { .binary = { 3, (unsigned char *)"b\0b" } },
                        },
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
+                       err,
+                       err,
+                       err,
+                       err,
+                       err,
                        {
                                SDB_TYPE_BINARY,
                                { .binary = { 6, (unsigned char *)"a\0ab\0b" } },
@@ -751,57 +973,462 @@ START_TEST(test_expr_eval)
                {
                        { SDB_TYPE_REGEX, { .re = { ".", empty_re } } },
                        { SDB_TYPE_REGEX, { .re = { ".", empty_re } } },
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
+                       err,
+                       err,
+                       err,
+                       err,
+                       err,
+                       err,
+               },
+               {
+                       {
+                               SDB_TYPE_ARRAY | SDB_TYPE_INTEGER,
+                               { .array = { SDB_STATIC_ARRAY_LEN(int_values), int_values } },
+                       },
+                       {
+                               SDB_TYPE_ARRAY | SDB_TYPE_INTEGER,
+                               { .array = { SDB_STATIC_ARRAY_LEN(int_values), int_values } },
+                       },
+                       err,
+                       err,
+                       err,
+                       err,
+                       err,
+                       {
+                               SDB_TYPE_ARRAY | SDB_TYPE_INTEGER,
+                               { .array = {
+                                               SDB_STATIC_ARRAY_LEN(expected_int_concat),
+                                               expected_int_concat
+                               } },
+                       },
+               },
+               {
+                       {
+                               SDB_TYPE_ARRAY | SDB_TYPE_STRING,
+                               { .array = { SDB_STATIC_ARRAY_LEN(string_values), string_values } },
+                       },
+                       {
+                               SDB_TYPE_ARRAY | SDB_TYPE_STRING,
+                               { .array = { SDB_STATIC_ARRAY_LEN(string_values), string_values } },
+                       },
+                       err,
+                       err,
+                       err,
+                       err,
+                       err,
+                       {
+                               SDB_TYPE_ARRAY | SDB_TYPE_STRING,
+                               { .array = {
+                                               SDB_STATIC_ARRAY_LEN(expected_string_concat),
+                                               expected_string_concat
+                               } },
+                       },
+               },
+               {
+                       { SDB_TYPE_NULL, { .integer = 0 } },
+                       { SDB_TYPE_NULL, { .integer = 0 } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+               },
+               {
+                       { SDB_TYPE_NULL, { .integer = 0 } },
+                       { SDB_TYPE_INTEGER, { .integer = 42 } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+               },
+               {
+                       { SDB_TYPE_INTEGER, { .integer = 42 } },
+                       { SDB_TYPE_NULL, { .integer = 0 } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+               },
+               {
+                       { SDB_TYPE_NULL, { .integer = 0 } },
+                       { SDB_TYPE_DECIMAL, { .decimal = 47.11 } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+               },
+               {
+                       { SDB_TYPE_DECIMAL, { .decimal = 47.11 } },
+                       { SDB_TYPE_NULL, { .integer = 0 } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+               },
+               {
+                       { SDB_TYPE_NULL, { .integer = 0 } },
+                       { SDB_TYPE_STRING, { .string = "47.11" } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+               },
+               {
+                       { SDB_TYPE_STRING, { .string = "47.11" } },
+                       { SDB_TYPE_NULL, { .integer = 0 } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+               },
+               {
+                       { SDB_TYPE_NULL, { .integer = 0 } },
+                       { SDB_TYPE_DATETIME, { .datetime = 4711 } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+               },
+               {
+                       { SDB_TYPE_DATETIME, { .datetime = 4711 } },
+                       { SDB_TYPE_NULL, { .integer = 0 } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+               },
+               {
+                       { SDB_TYPE_NULL, { .integer = 0 } },
+                       { SDB_TYPE_BINARY, { .binary = { 1, (unsigned char *)"a" } } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+               },
+               {
+                       { SDB_TYPE_BINARY, { .binary = { 1, (unsigned char *)"a" } } },
+                       { SDB_TYPE_NULL, { .integer = 0 } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+               },
+               {
+                       { SDB_TYPE_NULL, { .integer = 0 } },
+                       { SDB_TYPE_REGEX, { .re = { ".", empty_re } } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+               },
+               {
+                       { SDB_TYPE_REGEX, { .re = { ".", empty_re } } },
+                       { SDB_TYPE_NULL, { .integer = 0 } },
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
+                       SDB_DATA_NULL,
                },
                /* supported type-mismatches */
                {
                        /* int * datetime */
                        { SDB_TYPE_INTEGER,  { .integer  = 20 } },
                        { SDB_TYPE_DATETIME, { .datetime = 2 } },
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
+                       err,
+                       err,
                        { SDB_TYPE_DATETIME, { .datetime = 40 } },
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
+                       err,
+                       err,
+                       err,
                },
                {
                        /* datetime * int, datetime / int, datetime % int */
                        { SDB_TYPE_DATETIME, { .datetime = 20 } },
                        { SDB_TYPE_INTEGER,  { .integer  = 2 } },
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
+                       err,
+                       err,
                        { SDB_TYPE_DATETIME, { .datetime = 40 } },
                        { SDB_TYPE_DATETIME, { .datetime = 10 } },
                        { SDB_TYPE_DATETIME, { .datetime = 0 } },
-                       SDB_DATA_INIT,
+                       err,
                },
                {
                        /* float * datetime */
                        { SDB_TYPE_DECIMAL,  { .decimal  = 20.0 } },
                        { SDB_TYPE_DATETIME, { .datetime = 2 } },
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
+                       err,
+                       err,
                        { SDB_TYPE_DATETIME, { .datetime = 40 } },
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
+                       err,
+                       err,
+                       err,
                },
                {
                        /* datetime * float, datetime / float, datetime % float */
                        { SDB_TYPE_DATETIME, { .datetime = 20 } },
                        { SDB_TYPE_DECIMAL,  { .decimal  = 2.0 } },
-                       SDB_DATA_INIT,
-                       SDB_DATA_INIT,
+                       err,
+                       err,
                        { SDB_TYPE_DATETIME, { .datetime = 40 } },
                        { SDB_TYPE_DATETIME, { .datetime = 10 } },
                        { SDB_TYPE_DATETIME, { .datetime = 0 } },
-                       SDB_DATA_INIT,
+                       err,
+               },
+               /* unsupported type-mismatches */
+               {
+                       { SDB_TYPE_INTEGER, { .integer = 20 } },
+                       { SDB_TYPE_DECIMAL, { .decimal = 20.0 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_INTEGER, { .integer = 20 } },
+                       { SDB_TYPE_STRING, { .string = "20" } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_INTEGER, { .integer = 20 } },
+                       { SDB_TYPE_BINARY, { .binary = { 2, (unsigned char *)"20" } } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_INTEGER, { .integer = 20 } },
+                       { SDB_TYPE_BINARY, { .binary = { 3, (unsigned char *)"20" } } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_INTEGER, { .integer = 20 } },
+                       { SDB_TYPE_REGEX, { .re = { ".", empty_re } } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_INTEGER, { .integer = 20 } },
+                       { SDB_TYPE_REGEX + 1, { .integer = 0 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_DECIMAL, { .decimal = 20.0 } },
+                       { SDB_TYPE_INTEGER, { .integer = 20 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_DECIMAL, { .decimal = 20.0 } },
+                       { SDB_TYPE_STRING, { .string = "20.0" } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_DECIMAL, { .decimal = 20.0 } },
+                       { SDB_TYPE_BINARY, { .binary = { 2, (unsigned char *)"20" } } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_DECIMAL, { .decimal = 20.0 } },
+                       { SDB_TYPE_BINARY, { .binary = { 3, (unsigned char *)"20" } } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_DECIMAL, { .decimal = 20.0 } },
+                       { SDB_TYPE_BINARY, { .binary = { 4, (unsigned char *)"20.0" } } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_DECIMAL, { .decimal = 20.0 } },
+                       { SDB_TYPE_REGEX, { .re = { ".", empty_re } } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_DECIMAL, { .decimal = 20.0 } },
+                       { SDB_TYPE_REGEX + 1, { .integer = 0 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_STRING, { .string = "20" } },
+                       { SDB_TYPE_INTEGER, { .integer = 20 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_STRING, { .string = "20" } },
+                       { SDB_TYPE_DECIMAL, { .decimal = 20.0 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_STRING, { .string = "20" } },
+                       { SDB_TYPE_DATETIME, { .datetime = 20 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_STRING, { .string = "20" } },
+                       { SDB_TYPE_BINARY, { .binary = { 2, (unsigned char *)"20" } } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_STRING, { .string = "20" } },
+                       { SDB_TYPE_BINARY, { .binary = { 3, (unsigned char *)"20" } } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_STRING, { .string = "20" } },
+                       { SDB_TYPE_REGEX, { .re = { ".", empty_re } } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_STRING, { .string = "20" } },
+                       { SDB_TYPE_REGEX + 1, { .integer = 0 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_DATETIME, { .datetime = 20 } },
+                       { SDB_TYPE_STRING, { .string = "20" } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_DATETIME, { .datetime = 20 } },
+                       { SDB_TYPE_BINARY, { .binary = { 2, (unsigned char *)"20" } } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_DATETIME, { .datetime = 20 } },
+                       { SDB_TYPE_BINARY, { .binary = { 3, (unsigned char *)"20" } } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_DATETIME, { .datetime = 20 } },
+                       { SDB_TYPE_REGEX, { .re = { ".", empty_re } } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_DATETIME, { .datetime = 20 } },
+                       { SDB_TYPE_REGEX + 1, { .integer = 0 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_BINARY, { .binary = { 2, (unsigned char *)"20" } } },
+                       { SDB_TYPE_INTEGER, { .integer = 20 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_BINARY, { .binary = { 3, (unsigned char *)"20" } } },
+                       { SDB_TYPE_INTEGER, { .integer = 20 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_BINARY, { .binary = { 2, (unsigned char *)"20" } } },
+                       { SDB_TYPE_DECIMAL, { .decimal = 20.0 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_BINARY, { .binary = { 3, (unsigned char *)"20" } } },
+                       { SDB_TYPE_DECIMAL, { .decimal = 20.0 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_BINARY, { .binary = { 2, (unsigned char *)"20" } } },
+                       { SDB_TYPE_DATETIME, { .datetime = 20 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_BINARY, { .binary = { 3, (unsigned char *)"20" } } },
+                       { SDB_TYPE_DATETIME, { .datetime = 20 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_BINARY, { .binary = { 2, (unsigned char *)"20" } } },
+                       { SDB_TYPE_STRING, { .string = "20" } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_BINARY, { .binary = { 3, (unsigned char *)"20" } } },
+                       { SDB_TYPE_STRING, { .string = "20" } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_BINARY, { .binary = { 2, (unsigned char *)"20" } } },
+                       { SDB_TYPE_STRING, { .string = "20" } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_BINARY, { .binary = { 3, (unsigned char *)"20" } } },
+                       { SDB_TYPE_STRING, { .string = "20" } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_BINARY, { .binary = { 2, (unsigned char *)"20" } } },
+                       { SDB_TYPE_REGEX, { .re = { ".", empty_re } } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_BINARY, { .binary = { 3, (unsigned char *)"20" } } },
+                       { SDB_TYPE_REGEX, { .re = { ".", empty_re } } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_BINARY, { .binary = { 2, (unsigned char *)"20" } } },
+                       { SDB_TYPE_REGEX + 1, { .integer = 0 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_BINARY, { .binary = { 3, (unsigned char *)"20" } } },
+                       { SDB_TYPE_REGEX + 1, { .integer = 0 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_REGEX, { .re = { ".", empty_re } } },
+                       { SDB_TYPE_INTEGER, { .integer = 20 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_REGEX, { .re = { ".", empty_re } } },
+                       { SDB_TYPE_DECIMAL, { .decimal = 20.0 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_REGEX, { .re = { ".", empty_re } } },
+                       { SDB_TYPE_STRING, { .string = "20" } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_REGEX, { .re = { ".", empty_re } } },
+                       { SDB_TYPE_DATETIME, { .datetime = 20 } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_REGEX, { .re = { ".", empty_re } } },
+                       { SDB_TYPE_BINARY, { .binary = { 2, (unsigned char *)"20" } } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_REGEX, { .re = { ".", empty_re } } },
+                       { SDB_TYPE_BINARY, { .binary = { 3, (unsigned char *)"20" } } },
+                       err, err, err, err, err, err,
+               },
+               {
+                       { SDB_TYPE_REGEX, { .re = { ".", empty_re } } },
+                       { SDB_TYPE_REGEX + 1, { .integer = 0 } },
+                       err, err, err, err, err, err,
                },
        };
 
@@ -824,6 +1451,7 @@ START_TEST(test_expr_eval)
                for (j = 0; j < SDB_STATIC_ARRAY_LEN(tests); ++j) {
                        sdb_data_t res;
                        int check;
+                       int type1, type2, type;
 
                        char d1_str[64] = "", d2_str[64] = "";
                        sdb_data_format(&golden_data[i].d1, d1_str, sizeof(d1_str),
@@ -831,14 +1459,40 @@ START_TEST(test_expr_eval)
                        sdb_data_format(&golden_data[i].d2, d2_str, sizeof(d2_str),
                                        SDB_DOUBLE_QUOTED);
 
+                       type1 = golden_data[i].d1.type;
+                       type2 = golden_data[i].d2.type;
+                       if (sdb_data_isnull(&golden_data[i].d1))
+                               type1 = SDB_TYPE_NULL;
+                       if (sdb_data_isnull(&golden_data[i].d2))
+                               type2 = SDB_TYPE_NULL;
+                       type = sdb_data_expr_type(tests[j].op, type1, type2);
+
                        check = sdb_data_expr_eval(tests[j].op,
                                        &golden_data[i].d1, &golden_data[i].d2, &res);
-                       fail_unless((check == 0) == (tests[j].expected.type != 0),
+                       fail_unless((check == 0) == (tests[j].expected.type != -1),
                                        "sdb_data_expr_eval(%s, %s, %s) = %d; expected: %d",
                                        SDB_DATA_OP_TO_STRING(tests[j].op), d1_str, d2_str, check,
-                                       tests[j].expected.type == 0 ? -1 : 0);
-                       if (tests[j].expected.type == 0)
+                                       tests[j].expected.type == -1 ? -1 : 0);
+
+                       fail_unless(tests[j].expected.type == type,
+                                       "sdb_data_expr_eval(%s, %s, %s) expected to evaluate "
+                                       "to type %d while sdb_data_expr_type(%d, %d, %d) "
+                                       "predicted type %d", SDB_DATA_OP_TO_STRING(tests[j].op),
+                                       d1_str, d2_str, tests[j].expected.type,
+                                       tests[j].op, golden_data[i].d1.type,
+                                       golden_data[i].d2.type, type);
+
+                       if (tests[j].expected.type == -1)
+                               continue;
+
+                       if (tests[j].expected.type == SDB_TYPE_NULL) {
+                               fail_unless(res.type == SDB_TYPE_NULL,
+                                               "sdb_data_expr_eval(%s, %s, %s) evaluated to "
+                                               "type %d; expected: SDB_TYPE_NULL",
+                                               SDB_DATA_OP_TO_STRING(tests[j].op),
+                                               d1_str, d2_str, res.type);
                                continue;
+                       }
 
                        check = sdb_data_cmp(&res, &tests[j].expected);
                        if (check != 0) {
@@ -847,9 +1501,11 @@ START_TEST(test_expr_eval)
                                                SDB_DOUBLE_QUOTED);
                                sdb_data_format(&tests[j].expected, expected_str,
                                                sizeof(expected_str), SDB_DOUBLE_QUOTED);
-                               fail("sdb_data_expr_eval(%s, %s, %s) evaluated to %s; "
-                                               "expected: %s", SDB_DATA_OP_TO_STRING(tests[j].op),
-                                               d1_str, d2_str, res_str, expected_str);
+                               fail("sdb_data_expr_eval(%s, %s, %s) evaluated to %s "
+                                               "(type %d); expected: %s (type %d)",
+                                               SDB_DATA_OP_TO_STRING(tests[j].op),
+                                               d1_str, d2_str, res_str, res.type,
+                                               expected_str, tests[j].expected.type);
                        }
 
                        sdb_data_free_datum(&res);
@@ -878,7 +1534,7 @@ START_TEST(test_format)
                },
                {
                        { SDB_TYPE_STRING, { .string = NULL } },
-                       "\"<NULL>\"",
+                       "NULL",
                },
                {
                        { SDB_TYPE_STRING, { .string = "this is a test" } },
@@ -894,7 +1550,7 @@ START_TEST(test_format)
                },
                {
                        { SDB_TYPE_BINARY, { .binary = { 0, NULL } } },
-                       "\"<NULL>\"",
+                       "NULL",
                },
                {
                        {
@@ -1013,6 +1669,8 @@ core_data_suite(void)
        tcase_add_test(tc, test_data);
        tcase_add_test(tc, test_cmp);
        tcase_add_test(tc, test_strcmp);
+       tcase_add_test(tc, test_inarray);
+       tcase_add_test(tc, test_parse_op);
        tcase_add_test(tc, test_expr_eval);
        tcase_add_test(tc, test_format);
        tcase_add_test(tc, test_parse);