From 749a150e37fbfdaf33a8d6738e95306e6d95e8b5 Mon Sep 17 00:00:00 2001 From: dzwdz Date: Thu, 4 Aug 2022 23:23:50 +0200 Subject: move the kernel util tests to userland --- src/user/app/tests/shared/ringbuf.c | 47 +++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 src/user/app/tests/shared/ringbuf.c (limited to 'src/user/app/tests/shared/ringbuf.c') diff --git a/src/user/app/tests/shared/ringbuf.c b/src/user/app/tests/shared/ringbuf.c new file mode 100644 index 0000000..7330bbe --- /dev/null +++ b/src/user/app/tests/shared/ringbuf.c @@ -0,0 +1,47 @@ +#include "../tests.h" +#include +#include + +static void test_ringbuf(void) { + char backbuf[16], cmpbuf[16]; + size_t num_read = 0, num_written = 0; + uint8_t c; + + ring_t r = {backbuf, 16, 0, 0}; + + /* aliasing */ + for (size_t i = 0; i < 16; i++) { + test(ring_size(&r) == 0); + ring_put(&r, "11 bytes...", 11); + test(ring_size(&r) == 11); + + memset(cmpbuf, 0, sizeof cmpbuf); + test(ring_get(&r, cmpbuf, 16) == 11); + test(memcmp(cmpbuf, "11 bytes...", 11) == 0); + } + + test(ring_size(&r) == 0); + for (size_t i = 0; i < 7; i++) + ring_put1b(&r, num_written++); + test(ring_size(&r) == 7); + for (size_t i = 0; i < 3; i++) { + ring_get(&r, &c, 1); + test(num_read++ == c); + } + test(ring_size(&r) == 4); + + for (size_t j = 0; j < 40; j++) { + for (size_t i = 0; i < 7; i++) + ring_put1b(&r, num_written++ & 0xff); + test(ring_size(&r) == 11); + for (size_t i = 0; i < 7; i++) { + ring_get(&r, &c, 1); + test((num_read++ & 0xff) == c); + } + test(ring_size(&r) == 4); + } +} + +void r_s_ringbuf(void) { + run_test(test_ringbuf); +} -- cgit v1.2.3