Mercurial > hg > ucx / file comparison

comparison: tests/test_buffer.c

tests/test_buffer.c

changeset 793
db1c8dfe403a
parent 792
3ca984931e1d
child 890
54565fd74e74
equal deleted inserted replaced
792:3ca984931e1d 793:db1c8dfe403a
428 buf.pos = 4; \ 428 buf.pos = 4; \
429 buf.size = 4 429 buf.size = 4
430 #define TEST_BUFFER_SHIFT_TEARDOWN(buf) \ 430 #define TEST_BUFFER_SHIFT_TEARDOWN(buf) \
431 cxBufferDestroy(&buf); \ 431 cxBufferDestroy(&buf); \
432 CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc)); \ 432 CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc)); \
433 cx_testing_allocator_destroy(&talloc); 433 cx_testing_allocator_destroy(&talloc)
434 434
435 435
436 CX_TEST(test_buffer_shift_left_zero) { 436 CX_TEST(test_buffer_shift_left_zero) {
437 TEST_BUFFER_SHIFT_SETUP(buf); 437 TEST_BUFFER_SHIFT_SETUP(buf);
438 CX_TEST_DO { 438 CX_TEST_DO {
581 CX_TEST_ASSERT(buf.pos == 5); 581 CX_TEST_ASSERT(buf.pos == 5);
582 CX_TEST_ASSERT(buf.size == 6); 582 CX_TEST_ASSERT(buf.size == 6);
583 CX_TEST_ASSERT(memcmp(buf.space, "tetest__XXXXXXXX", 16) == 0); 583 CX_TEST_ASSERT(memcmp(buf.space, "tetest__XXXXXXXX", 16) == 0);
584 TEST_BUFFER_SHIFT_TEARDOWN(buf); 584 TEST_BUFFER_SHIFT_TEARDOWN(buf);
585 } 585 }
586 }
587
588 static size_t mock_write_limited_rate(
589 void const *ptr,
590 size_t size,
591 __attribute__((unused)) size_t nitems,
592 CxBuffer *buffer
593 ) {
594 // simulate limited target drain capacity
595 static bool full = false;
596 if (full) {
597 full = false;
598 return 0;
599 } else {
600 full = true;
601 return cxBufferWrite(ptr, size, nitems > 2 ? 2 : nitems, buffer);
602 }
603 }
604
605 CX_TEST(test_buffer_write_size_one_fit) {
606 CxBuffer buf, target;
607 cxBufferInit(&target, NULL, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
608 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
609 memcpy(buf.space, "prep\0\0\0\0\0\0\0\0\0\0\0\0", 16);
610 buf.capacity = 8;
611 buf.size = buf.pos = 4;
612 const char *data = "test";
613 CX_TEST_DO {
614 size_t written = cxBufferWrite(data, 1, 4, &buf);
615 CX_TEST_ASSERT(written == 4);
616 CX_TEST_ASSERT(buf.size == 8);
617 CX_TEST_ASSERT(buf.pos == 8);
618 CX_TEST_ASSERT(buf.capacity == 8);
619 CX_TEST_ASSERT(0 == memcmp(buf.space, "preptest", 8));
620 }
621
622 cxBufferDestroy(&buf);
623 cxBufferDestroy(&target);
624 }
625
626 CX_TEST(test_buffer_write_size_one_discard) {
627 CxBuffer buf, target;
628 cxBufferInit(&target, NULL, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
629 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
630 memcpy(buf.space, "prep\0\0\0\0\0\0\0\0\0\0\0\0", 16);
631 buf.capacity = 8;
632 buf.size = buf.pos = 4;
633 const char *data = "testing";
634 CX_TEST_DO {
635 size_t written = cxBufferWrite(data, 1, 7, &buf);
636 CX_TEST_ASSERT(written == 4);
637 CX_TEST_ASSERT(buf.size == 8);
638 CX_TEST_ASSERT(buf.pos == 8);
639 CX_TEST_ASSERT(buf.capacity == 8);
640 CX_TEST_ASSERT(0 == memcmp(buf.space, "preptest\0", 9));
641 }
642 cxBufferDestroy(&buf);
643 cxBufferDestroy(&target);
644 }
645
646 CX_TEST(test_buffer_write_size_one_extend) {
647 CxBuffer buf, target;
648 cxBufferInit(&target, NULL, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
649 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
650 memcpy(buf.space, "prep\0\0\0\0\0\0\0\0\0\0\0\0", 16);
651 buf.capacity = 8;
652 buf.size = buf.pos = 4;
653 buf.flags |= CX_BUFFER_AUTO_EXTEND;
654 const char *data = "testing";
655 CX_TEST_DO {
656 size_t written = cxBufferWrite(data, 1, 7, &buf);
657 CX_TEST_ASSERT(written == 7);
658 CX_TEST_ASSERT(buf.size == 11);
659 CX_TEST_ASSERT(buf.pos == 11);
660 CX_TEST_ASSERT(buf.capacity >= 11);
661 CX_TEST_ASSERT(0 == memcmp(buf.space, "preptesting", 11));
662 }
663 cxBufferDestroy(&buf);
664 cxBufferDestroy(&target);
665 }
666
667 CX_TEST(test_buffer_write_multibyte_fit) {
668 CxBuffer buf, target;
669 cxBufferInit(&target, NULL, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
670 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
671 memcpy(buf.space, "prep\0\0\0\0\0\0\0\0\0\0\0\0", 16);
672 buf.capacity = 8;
673 buf.size = buf.pos = 4;
674 const char *data = "test";
675 CX_TEST_DO {
676 size_t written = cxBufferWrite(data, 2, 2, &buf);
677 CX_TEST_ASSERT(written == 2);
678 CX_TEST_ASSERT(buf.size == 8);
679 CX_TEST_ASSERT(buf.pos == 8);
680 CX_TEST_ASSERT(buf.capacity == 8);
681 CX_TEST_ASSERT(0 == memcmp(buf.space, "preptest", 8));
682 }
683 cxBufferDestroy(&buf);
684 cxBufferDestroy(&target);
685 }
686
687 CX_TEST(test_buffer_write_multibyte_discard) {
688 CxBuffer buf, target;
689 cxBufferInit(&target, NULL, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
690 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
691 memcpy(buf.space, "prep\0\0\0\0\0\0\0\0\0\0\0\0", 16);
692 buf.capacity = 8;
693 buf.size = 4;
694 buf.pos = 3;
695 const char *data = "testing";
696 CX_TEST_DO {
697 size_t written = cxBufferWrite(data, 2, 4, &buf);
698 // remember: whole elements are discarded if they do not fit
699 CX_TEST_ASSERT(written == 2);
700 CX_TEST_ASSERT(buf.size == 7);
701 CX_TEST_ASSERT(buf.pos == 7);
702 CX_TEST_ASSERT(buf.capacity == 8);
703 CX_TEST_ASSERT(0 == memcmp(buf.space, "pretest\0", 8));
704 }
705 cxBufferDestroy(&buf);
706 cxBufferDestroy(&target);
707 }
708
709 CX_TEST(test_buffer_write_multibyte_extend) {
710 CxBuffer buf, target;
711 cxBufferInit(&target, NULL, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
712 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
713 memcpy(buf.space, "prep\0\0\0\0\0\0\0\0\0\0\0\0", 16);
714 buf.capacity = 8;
715 buf.size = 4;
716 buf.pos = 3;
717 buf.flags |= CX_BUFFER_AUTO_EXTEND;
718 const char *data = "tester";
719 CX_TEST_DO {
720 size_t written = cxBufferWrite(data, 2, 3, &buf);
721 // remember: whole elements are discarded if they do not fit
722 CX_TEST_ASSERT(written == 3);
723 CX_TEST_ASSERT(buf.size == 9);
724 CX_TEST_ASSERT(buf.pos == 9);
725 CX_TEST_ASSERT(buf.capacity >= 9);
726 CX_TEST_ASSERT(0 == memcmp(buf.space, "pretester", 9));
727 }
728 cxBufferDestroy(&buf);
729 cxBufferDestroy(&target);
730 }
731
732 CX_TEST(test_buffer_put_fit) {
733 CxBuffer buf, target;
734 cxBufferInit(&target, NULL, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
735 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
736 memcpy(buf.space, "prep\0\0\0\0\0\0\0\0\0\0\0\0", 16);
737 buf.capacity = 8;
738 buf.size = buf.pos = 4;
739 CX_TEST_DO {
740 int c = cxBufferPut(&buf, 0x200 | 'a');
741 CX_TEST_ASSERT(c == 'a');
742 CX_TEST_ASSERT(buf.size == 5);
743 CX_TEST_ASSERT(buf.pos == 5);
744 CX_TEST_ASSERT(buf.capacity == 8);
745 CX_TEST_ASSERT(0 == memcmp(buf.space, "prepa\0", 6));
746 }
747 cxBufferDestroy(&buf);
748 cxBufferDestroy(&target);
749 }
750
751 CX_TEST(test_buffer_put_discard) {
752 CxBuffer buf, target;
753 cxBufferInit(&target, NULL, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
754 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
755 memcpy(buf.space, "prep\0\0\0\0\0\0\0\0\0\0\0\0", 16);
756 buf.capacity = 8;
757 buf.size = 4;
758 buf.pos = 8;
759 CX_TEST_DO {
760 int c = cxBufferPut(&buf, 0x200 | 'a');
761 CX_TEST_ASSERT(c == EOF);
762 CX_TEST_ASSERT(buf.size == 4);
763 CX_TEST_ASSERT(buf.pos == 8);
764 CX_TEST_ASSERT(buf.capacity == 8);
765 CX_TEST_ASSERT(0 == memcmp(buf.space, "prep\0\0\0\0\0", 9));
766 }
767 cxBufferDestroy(&buf);
768 cxBufferDestroy(&target);
769 }
770
771 CX_TEST(test_buffer_put_extend) {
772 CxBuffer buf, target;
773 cxBufferInit(&target, NULL, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
774 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
775 memcpy(buf.space, "prep\0\0\0\0\0\0\0\0\0\0\0\0", 16);
776 buf.capacity = 8;
777 buf.size = 4;
778 buf.pos = 8;
779 buf.flags |= CX_BUFFER_AUTO_EXTEND;
780 CX_TEST_DO {
781 int c = cxBufferPut(&buf, 0x200 | 'a');
782 CX_TEST_ASSERT(c == 'a');
783 CX_TEST_ASSERT(buf.size == 9);
784 CX_TEST_ASSERT(buf.pos == 9);
785 CX_TEST_ASSERT(buf.capacity >= 9);
786 CX_TEST_ASSERT(0 == memcmp(buf.space, "prep\0\0\0\0a", 9));
787 }
788 cxBufferDestroy(&buf);
789 cxBufferDestroy(&target);
790 }
791
792 CX_TEST(test_buffer_put_string_fit) {
793 CxBuffer buf, target;
794 cxBufferInit(&target, NULL, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
795 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
796 memcpy(buf.space, "prep\0\0\0\0\0\0\0\0\0\0\0\0", 16);
797 buf.capacity = 8;
798 buf.size = buf.pos = 4;
799 const char *data = "test";
800 CX_TEST_DO {
801 size_t written = cxBufferPutString(&buf, data);
802 CX_TEST_ASSERT(written == 4);
803 CX_TEST_ASSERT(buf.size == 8);
804 CX_TEST_ASSERT(buf.pos == 8);
805 CX_TEST_ASSERT(buf.capacity == 8);
806 CX_TEST_ASSERT(0 == memcmp(buf.space, "preptest", 8));
807 }
808 cxBufferDestroy(&buf);
809 cxBufferDestroy(&target);
810 }
811
812 CX_TEST(test_buffer_put_string_discard) {
813 CxBuffer buf, target;
814 cxBufferInit(&target, NULL, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
815 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
816 memcpy(buf.space, "prep\0\0\0\0\0\0\0\0\0\0\0\0", 16);
817 buf.capacity = 8;
818 buf.size = buf.pos = 4;
819 const char *data = "testing";
820 CX_TEST_DO {
821 size_t written = cxBufferPutString(&buf, data);
822 CX_TEST_ASSERT(written == 4);
823 CX_TEST_ASSERT(buf.size == 8);
824 CX_TEST_ASSERT(buf.pos == 8);
825 CX_TEST_ASSERT(buf.capacity == 8);
826 CX_TEST_ASSERT(0 == memcmp(buf.space, "preptest\0", 9));
827 }
828 cxBufferDestroy(&buf);
829 cxBufferDestroy(&target);
830 }
831
832 CX_TEST(test_buffer_put_string_extend) {
833 CxBuffer buf, target;
834 cxBufferInit(&target, NULL, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
835 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
836 memcpy(buf.space, "prep\0\0\0\0\0\0\0\0\0\0\0\0", 16);
837 buf.capacity = 8;
838 buf.size = buf.pos = 4;
839 buf.flags |= CX_BUFFER_AUTO_EXTEND;
840 const char *data = "testing";
841 CX_TEST_DO {
842 size_t written = cxBufferPutString(&buf, data);
843 CX_TEST_ASSERT(written == 7);
844 CX_TEST_ASSERT(buf.size == 11);
845 CX_TEST_ASSERT(buf.pos == 11);
846 CX_TEST_ASSERT(buf.capacity >= 11);
847 CX_TEST_ASSERT(0 == memcmp(buf.space, "preptesting", 11));
848 }
849 cxBufferDestroy(&buf);
850 cxBufferDestroy(&target);
851 }
852
853 CX_TEST(test_buffer_write_size_overflow) {
854 CxBuffer buf, target;
855 cxBufferInit(&target, NULL, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
856 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
857 memcpy(buf.space, "prep\0\0\0\0\0\0\0\0\0\0\0\0", 16);
858 buf.capacity = 8;
859 buf.size = buf.pos = 4;
860 const char *data = "testing";
861 CX_TEST_DO {
862 size_t written = cxBufferWrite(data, 8, SIZE_MAX / 4, &buf);
863 CX_TEST_ASSERT(written == 0);
864 CX_TEST_ASSERT(buf.capacity == 8);
865 CX_TEST_ASSERT(buf.pos == 4);
866 CX_TEST_ASSERT(buf.size == 4);
867 CX_TEST_ASSERT(0 == memcmp(buf.space, "prep\0", 5));
868 }
869 cxBufferDestroy(&buf);
870 cxBufferDestroy(&target);
871 }
872
873 CX_TEST(test_buffer_write_capacity_overflow) {
874 CxBuffer buf, target;
875 cxBufferInit(&target, NULL, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
876 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
877 memcpy(buf.space, "prep\0\0\0\0\0\0\0\0\0\0\0\0", 16);
878 buf.capacity = 8;
879 buf.size = buf.pos = 4;
880 buf.flags |= CX_BUFFER_AUTO_EXTEND;
881 const char *data = "testing";
882 CX_TEST_DO {
883 size_t written = cxBufferWrite(data, 1, SIZE_MAX - 2, &buf);
884 CX_TEST_ASSERT(written == 0);
885 CX_TEST_ASSERT(buf.capacity == 8);
886 CX_TEST_ASSERT(buf.pos == 4);
887 CX_TEST_ASSERT(buf.size == 4);
888 CX_TEST_ASSERT(0 == memcmp(buf.space, "prep\0", 5));
889 }
890 cxBufferDestroy(&buf);
891 cxBufferDestroy(&target);
892 }
893
894 CX_TEST(test_buffer_write_only_overwrite) {
895 CxBuffer buf, target;
896 cxBufferInit(&target, NULL, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
897 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
898 memcpy(buf.space, "preptest\0\0\0\0\0\0\0\0", 16);
899 buf.capacity = 8;
900 buf.pos = 3;
901 buf.size = 8;
902 buf.flags |= CX_BUFFER_AUTO_EXTEND;
903 CX_TEST_DO {
904 size_t written = cxBufferWrite("XXX", 2, 2, &buf);
905 CX_TEST_ASSERT(written == 2);
906 CX_TEST_ASSERT(buf.capacity == 8);
907 CX_TEST_ASSERT(buf.size == 8);
908 CX_TEST_ASSERT(buf.pos == 7);
909 CX_TEST_ASSERT(0 == memcmp(buf.space, "preXXX\0t", 8));
910 }
911 cxBufferDestroy(&buf);
912 cxBufferDestroy(&target);
913 }
914
915 CX_TEST(test_buffer_write_flush_at_capacity) {
916 CxBuffer buf, target;
917 cxBufferInit(&target, NULL, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
918 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
919 memcpy(buf.space, "prep\0\0\0\0\0\0\0\0\0\0\0\0", 16);
920 buf.capacity = 8;
921 buf.size = buf.pos = 4;
922 buf.flush_target = ⌖
923 buf.flush_func = (cx_write_func)cxBufferWrite;
924 buf.flush_blkmax = 1;
925 CX_TEST_DO {
926 size_t written = cxBufferWrite("foo", 1, 3, &buf);
927 CX_TEST_ASSERT(written == 3);
928 CX_TEST_ASSERT(buf.pos == 7);
929 CX_TEST_ASSERT(buf.size == 7);
930 CX_TEST_ASSERT(target.pos == 0);
931 CX_TEST_ASSERT(target.size == 0);
932 written = cxBufferWrite("hello", 1, 5, &buf);
933 CX_TEST_ASSERT(written == 5);
934 CX_TEST_ASSERT(buf.pos == 0);
935 CX_TEST_ASSERT(buf.size == 0);
936 CX_TEST_ASSERT(buf.capacity == 8);
937 CX_TEST_ASSERT(target.pos == 12);
938 CX_TEST_ASSERT(target.size == 12);
939 CX_TEST_ASSERT(0 == memcmp(target.space, "prepfoohello", 12));
940 }
941 cxBufferDestroy(&buf);
942 cxBufferDestroy(&target);
943 }
944
945 CX_TEST(test_buffer_write_flush_at_threshold) {
946 CxBuffer buf, target;
947 cxBufferInit(&target, NULL, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
948 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
949 memcpy(buf.space, "prep\0\0\0\0\0\0\0\0\0\0\0\0", 16);
950 buf.capacity = 8;
951 buf.size = buf.pos = 4;
952 buf.flush_target = ⌖
953 buf.flush_func = (cx_write_func)cxBufferWrite;
954 buf.flush_blkmax = 1;
955 buf.flush_threshold = 12;
956 buf.flags |= CX_BUFFER_AUTO_EXTEND;
957 CX_TEST_DO {
958 size_t written = cxBufferWrite("foobar", 1, 6, &buf);
959 CX_TEST_ASSERT(written == 6);
960 CX_TEST_ASSERT(buf.pos == 10);
961 CX_TEST_ASSERT(buf.size == 10);
962 CX_TEST_ASSERT(buf.capacity >= 10);
963 CX_TEST_ASSERT(buf.capacity <= 12);
964 CX_TEST_ASSERT(target.pos == 0);
965 CX_TEST_ASSERT(target.size == 0);
966 written = cxBufferWrite("hello", 1, 5, &buf);
967 CX_TEST_ASSERT(written == 5);
968 CX_TEST_ASSERT(buf.pos == 0);
969 CX_TEST_ASSERT(buf.size == 0);
970 CX_TEST_ASSERT(buf.capacity <= 12);
971 CX_TEST_ASSERT(target.pos == 15);
972 CX_TEST_ASSERT(target.size == 15);
973 CX_TEST_ASSERT(0 == memcmp(target.space, "prepfoobarhello", 15));
974 }
975 cxBufferDestroy(&buf);
976 cxBufferDestroy(&target);
977 }
978
979 CX_TEST(test_buffer_write_flush_rate_limited) {
980 CxBuffer buf, target;
981 cxBufferInit(&target, NULL, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND);
982 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
983 memcpy(buf.space, "prep\0\0\0\0\0\0\0\0\0\0\0\0", 16);
984 buf.capacity = 8;
985 buf.size = buf.pos = 4;
986 buf.flush_target = &target;
987 buf.flush_blkmax = 1;
988 // limit the rate of the flush function and the capacity of the target
989 buf.flush_func = (cx_write_func) mock_write_limited_rate;
990 target.capacity = 16;
991 target.flags &= ~CX_BUFFER_AUTO_EXTEND;
992 CX_TEST_DO {
993 size_t written = cxBufferWrite("foo", 1, 3, &buf);
994 CX_TEST_ASSERT(written == 3);
995 CX_TEST_ASSERT(buf.pos == 7);
996 CX_TEST_ASSERT(buf.size == 7);
997 CX_TEST_ASSERT(target.pos == 0);
998 CX_TEST_ASSERT(target.size == 0);
999 written = cxBufferWrite("hello, world!", 1, 13, &buf);
1000 // " world!" fits into this buffer, the remaining stuff is flushed out
1001 CX_TEST_ASSERT(written == 13);
1002 CX_TEST_ASSERT(buf.pos == 7);
1003 CX_TEST_ASSERT(buf.size == 7);
1004 CX_TEST_ASSERT(buf.capacity == 8);
1005 CX_TEST_ASSERT(0 == memcmp(buf.space, " world!", 7));
1006 CX_TEST_ASSERT(target.pos == 13);
1007 CX_TEST_ASSERT(target.size == 13);
1008 CX_TEST_ASSERT(target.capacity == 16);
1009 CX_TEST_ASSERT(0 == memcmp(target.space, "prepfoohello,", 13));
1010 }
1011 cxBufferDestroy(&buf);
1012 cxBufferDestroy(&target);
1013 }
1014
1015 CX_TEST(test_buffer_get) {
1016 CxBuffer buf;
1017 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
1018 memcpy(buf.space, "some data\0\0\0\0\0\0\0", 16);
1019 buf.capacity = 12;
1020 buf.size = 9;
1021 buf.pos = 2;
1022 CX_TEST_DO {
1023 CX_TEST_ASSERT(cxBufferGet(&buf) == 'm');
1024 CX_TEST_ASSERT(cxBufferGet(&buf) == 'e');
1025 CX_TEST_ASSERT(cxBufferGet(&buf) == ' ');
1026 CX_TEST_ASSERT(cxBufferGet(&buf) == 'd');
1027 CX_TEST_ASSERT(buf.pos == 6);
1028 }
1029 cxBufferDestroy(&buf);
1030 }
1031
1032 CX_TEST(test_buffer_get_eof) {
1033 CxBuffer buf;
1034 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
1035 memcpy(buf.space, "some data\0\0\0\0\0\0\0", 16);
1036 buf.capacity = 12;
1037 buf.pos = buf.size = 9;
1038 CX_TEST_DO {
1039 CX_TEST_ASSERT(cxBufferGet(&buf) == EOF);
1040 }
1041 cxBufferDestroy(&buf);
1042 }
1043
1044 CX_TEST(test_buffer_read) {
1045 CxBuffer buf;
1046 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
1047 memcpy(buf.space, "some data\0\0\0\0\0\0\0", 16);
1048 buf.capacity = 12;
1049 buf.size = 9;
1050 buf.pos = 2;
1051 CX_TEST_DO {
1052 char target[4];
1053 size_t read = cxBufferRead(&target, 1, 4, &buf);
1054 CX_TEST_ASSERT(read == 4);
1055 CX_TEST_ASSERT(0 == memcmp(&target, "me d", 4));
1056 CX_TEST_ASSERT(buf.pos == 6);
1057 }
1058 cxBufferDestroy(&buf);
1059 }
1060
1061 CX_TEST(test_buffer_read_oob) {
1062 CxBuffer buf;
1063 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
1064 memcpy(buf.space, "some data\0\0\0\0\0\0\0", 16);
1065 buf.capacity = 12;
1066 buf.size = 9;
1067 buf.pos = 6;
1068 CX_TEST_DO {
1069 char target[4];
1070 size_t read = cxBufferRead(&target, 1, 4, &buf);
1071 CX_TEST_ASSERT(read == 3);
1072 CX_TEST_ASSERT(0 == memcmp(&target, "ata", 3));
1073 CX_TEST_ASSERT(buf.pos == 9);
1074 }
1075 cxBufferDestroy(&buf);
1076 }
1077
1078 CX_TEST(test_buffer_read_oob_multibyte) {
1079 CxBuffer buf;
1080 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
1081 memcpy(buf.space, "some data\0\0\0\0\0\0\0", 16);
1082 buf.capacity = 12;
1083 buf.size = 9;
1084 buf.pos = 6;
1085 CX_TEST_DO {
1086 char target[4];
1087 target[2] = '\0';
1088 size_t read = cxBufferRead(&target, 2, 2, &buf);
1089 CX_TEST_ASSERT(read == 1);
1090 CX_TEST_ASSERT(0 == memcmp(&target, "at\0", 3));
1091 CX_TEST_ASSERT(buf.pos == 8);
1092 }
1093 cxBufferDestroy(&buf);
1094 }
1095
1096 CX_TEST(test_buffer_read_eof) {
1097 CxBuffer buf;
1098 cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT);
1099 memcpy(buf.space, "some data\0\0\0\0\0\0\0", 16);
1100 buf.capacity = 12;
1101 buf.size = buf.pos = 9;
1102 CX_TEST_DO {
1103 char target[4];
1104 size_t read = cxBufferRead(&target, 1, 1, &buf);
1105 CX_TEST_ASSERT(read == 0);
1106 CX_TEST_ASSERT(buf.pos == 9);
1107 }
1108 cxBufferDestroy(&buf);
586 } 1109 }
587 1110
588 CxTestSuite *cx_test_suite_buffer(void) { 1111 CxTestSuite *cx_test_suite_buffer(void) {
589 CxTestSuite *suite = cx_test_suite_new("buffer"); 1112 CxTestSuite *suite = cx_test_suite_new("buffer");
590 1113
621 cx_test_register(suite, test_buffer_shift_right_zero_offset_interface); 1144 cx_test_register(suite, test_buffer_shift_right_zero_offset_interface);
622 cx_test_register(suite, test_buffer_shift_right_standard); 1145 cx_test_register(suite, test_buffer_shift_right_standard);
623 cx_test_register(suite, test_buffer_shift_right_overshift_discard); 1146 cx_test_register(suite, test_buffer_shift_right_overshift_discard);
624 cx_test_register(suite, test_buffer_shift_right_overshift_extend); 1147 cx_test_register(suite, test_buffer_shift_right_overshift_extend);
625 cx_test_register(suite, test_buffer_shift_right_offset_interface); 1148 cx_test_register(suite, test_buffer_shift_right_offset_interface);
626 1149 cx_test_register(suite, test_buffer_write_size_one_fit);
1150 cx_test_register(suite, test_buffer_write_size_one_discard);
1151 cx_test_register(suite, test_buffer_write_size_one_extend);
1152 cx_test_register(suite, test_buffer_write_multibyte_fit);
1153 cx_test_register(suite, test_buffer_write_multibyte_discard);
1154 cx_test_register(suite, test_buffer_write_multibyte_extend);
1155 cx_test_register(suite, test_buffer_put_fit);
1156 cx_test_register(suite, test_buffer_put_discard);
1157 cx_test_register(suite, test_buffer_put_extend);
1158 cx_test_register(suite, test_buffer_put_string_fit);
1159 cx_test_register(suite, test_buffer_put_string_discard);
1160 cx_test_register(suite, test_buffer_put_string_extend);
1161 cx_test_register(suite, test_buffer_write_size_overflow);
1162 cx_test_register(suite, test_buffer_write_capacity_overflow);
1163 cx_test_register(suite, test_buffer_write_only_overwrite);
1164 cx_test_register(suite, test_buffer_write_flush_at_capacity);
1165 cx_test_register(suite, test_buffer_write_flush_at_threshold);
1166 cx_test_register(suite, test_buffer_write_flush_rate_limited);
1167 cx_test_register(suite, test_buffer_get);
1168 cx_test_register(suite, test_buffer_get_eof);
1169 cx_test_register(suite, test_buffer_read);
1170 cx_test_register(suite, test_buffer_read_oob);
1171 cx_test_register(suite, test_buffer_read_oob_multibyte);
1172 cx_test_register(suite, test_buffer_read_eof);
1173
627 return suite; 1174 return suite;
628 } 1175 }

Mercurial Repository: ucx

mercurial