+ check_error("NULL string argument", "<args>", 1, 1, 1);
+ json_decref(j);
+
+ /* invalid types */
+ j = json_integer(42);
+ j2 = json_string("foo");
+ if(!json_unpack_ex(j, &error, 0, "s"))
+ fail("json_unpack failed to catch invalid type");
+ check_error("Expected string, got integer", "<validation>", 1, 1, 1);
+
+ if(!json_unpack_ex(j, &error, 0, "n"))
+ fail("json_unpack failed to catch invalid type");
+ check_error("Expected null, got integer", "<validation>", 1, 1, 1);
+
+ if(!json_unpack_ex(j, &error, 0, "b"))
+ fail("json_unpack failed to catch invalid type");
+ check_error("Expected true or false, got integer", "<validation>", 1, 1, 1);
+
+ if(!json_unpack_ex(j2, &error, 0, "i"))
+ fail("json_unpack failed to catch invalid type");
+ check_error("Expected integer, got string", "<validation>", 1, 1, 1);
+
+ if(!json_unpack_ex(j2, &error, 0, "I"))
+ fail("json_unpack failed to catch invalid type");
+ check_error("Expected integer, got string", "<validation>", 1, 1, 1);
+
+ if(!json_unpack_ex(j, &error, 0, "f"))
+ fail("json_unpack failed to catch invalid type");
+ check_error("Expected real, got integer", "<validation>", 1, 1, 1);
+
+ if(!json_unpack_ex(j2, &error, 0, "F"))
+ fail("json_unpack failed to catch invalid type");
+ check_error("Expected real or integer, got string", "<validation>", 1, 1, 1);
+
+ if(!json_unpack_ex(j, &error, 0, "[i]"))
+ fail("json_unpack failed to catch invalid type");
+ check_error("Expected array, got integer", "<validation>", 1, 1, 1);
+
+ if(!json_unpack_ex(j, &error, 0, "{si}", "foo"))
+ fail("json_unpack failed to catch invalid type");
+ check_error("Expected object, got integer", "<validation>", 1, 1, 1);
+
+ json_decref(j);
+ json_decref(j2);
+
+ /* Array index out of range */
+ j = json_pack("[i]", 1);
+ if(!json_unpack_ex(j, &error, 0, "[ii]", &i1, &i2))
+ fail("json_unpack failed to catch index out of array bounds");
+ check_error("Array index 1 out of range", "<validation>", 1, 3, 3);
+ json_decref(j);
+
+ /* NULL object key */
+ j = json_pack("{si}", "foo", 42);
+ if(!json_unpack_ex(j, &error, 0, "{si}", NULL, &i1))
+ fail("json_unpack failed to catch null string pointer");
+ check_error("NULL object key", "<args>", 1, 2, 2);
+ json_decref(j);
+
+ /* Object key not found */
+ j = json_pack("{si}", "foo", 42);
+ if(!json_unpack_ex(j, &error, 0, "{si}", "baz", &i1))
+ fail("json_unpack failed to catch null string pointer");
+ check_error("Object item not found: baz", "<validation>", 1, 3, 3);
+ json_decref(j);
+
+ /*
+ * Strict validation
+ */
+
+ j = json_pack("[iii]", 1, 2, 3);
+ rv = json_unpack(j, "[iii!]", &i1, &i2, &i3);
+ if(rv || i1 != 1 || i2 != 2 || i3 != 3)
+ fail("json_unpack array with strict validation failed");
+ json_decref(j);
+
+ j = json_pack("[iii]", 1, 2, 3);
+ if(!json_unpack_ex(j, &error, 0, "[ii!]", &i1, &i2))
+ fail("json_unpack array with strict validation failed");
+ check_error("1 array item(s) left unpacked", "<validation>", 1, 5, 5);
+ json_decref(j);
+
+ /* Like above, but with JSON_STRICT instead of '!' format */
+ j = json_pack("[iii]", 1, 2, 3);
+ if(!json_unpack_ex(j, &error, JSON_STRICT, "[ii]", &i1, &i2))
+ fail("json_unpack array with strict validation failed");
+ check_error("1 array item(s) left unpacked", "<validation>", 1, 4, 4);
+ json_decref(j);
+
+ j = json_pack("{s:s, s:i}", "foo", "bar", "baz", 42);
+ rv = json_unpack(j, "{sssi!}", "foo", &s, "baz", &i1);
+ if(rv || strcmp(s, "bar") != 0 || i1 != 42)
+ fail("json_unpack object with strict validation failed");
+ json_decref(j);
+
+ /* Unpack the same item twice */
+ j = json_pack("{s:s, s:i}", "foo", "bar", "baz", 42);
+ if(!json_unpack_ex(j, &error, 0, "{s:s,s:s!}", "foo", &s, "foo", &s))
+ fail("json_unpack object with strict validation failed");
+ check_error("1 object item(s) left unpacked", "<validation>", 1, 10, 10);
+ json_decref(j);
+
+ j = json_pack("[i,{s:i,s:n},[i,i]]", 1, "foo", 2, "bar", 3, 4);
+ if(json_unpack_ex(j, NULL, JSON_STRICT | JSON_VALIDATE_ONLY,
+ "[i{sisn}[ii]]", "foo", "bar"))
+ fail("json_unpack complex value with strict validation failed");
+ json_decref(j);
+
+ /* ! and * must be last */
+ j = json_pack("[ii]", 1, 2);
+ if(!json_unpack_ex(j, &error, 0, "[i!i]", &i1, &i2))
+ fail("json_unpack failed to catch ! in the middle of an array");
+ check_error("Expected ']' after '!', got 'i'", "<format>", 1, 4, 4);
+
+ if(!json_unpack_ex(j, &error, 0, "[i*i]", &i1, &i2))
+ fail("json_unpack failed to catch * in the middle of an array");
+ check_error("Expected ']' after '*', got 'i'", "<format>", 1, 4, 4);
+ json_decref(j);
+
+ j = json_pack("{sssi}", "foo", "bar", "baz", 42);
+ if(!json_unpack_ex(j, &error, 0, "{ss!si}", "foo", &s, "baz", &i1))
+ fail("json_unpack failed to catch ! in the middle of an object");
+ check_error("Expected '}' after '!', got 's'", "<format>", 1, 5, 5);
+
+ if(!json_unpack_ex(j, &error, 0, "{ss*si}", "foo", &s, "baz", &i1))
+ fail("json_unpack failed to catch ! in the middle of an object");
+ check_error("Expected '}' after '*', got 's'", "<format>", 1, 5, 5);
+ json_decref(j);
+
+ /* Error in nested object */
+ j = json_pack("{s{snsn}}", "foo", "bar", "baz");
+ if(!json_unpack_ex(j, &error, 0, "{s{sn!}}", "foo", "bar"))
+ fail("json_unpack nested object with strict validation failed");
+ check_error("1 object item(s) left unpacked", "<validation>", 1, 7, 7);
+ json_decref(j);
+
+ /* Error in nested array */
+ j = json_pack("[[ii]]", 1, 2);
+ if(!json_unpack_ex(j, &error, 0, "[[i!]]", &i1))
+ fail("json_unpack nested array with strict validation failed");
+ check_error("1 array item(s) left unpacked", "<validation>", 1, 5, 5);