From 5e4590bc2c99b586defcd425a5b1e3c479c27832 Mon Sep 17 00:00:00 2001 From: Tomasz Kramkowski Date: Sat, 12 Sep 2020 00:52:52 +0100 Subject: unpack_test: Rename to a more generic name --- test.c | 106 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 test.c (limited to 'test.c') diff --git a/test.c b/test.c new file mode 100644 index 0000000..08b03b3 --- /dev/null +++ b/test.c @@ -0,0 +1,106 @@ +/* + * Copyright (C) 2020 Tomasz Kramkowski + * SPDX-License-Identifier: MIT + */ +#include +#include +#include +#include + +#include "pack.h" + +typedef bool test_func(void); + +struct test { + test_func *func; + char *desc; +}; + +#define TEST(name, desc) static bool test_##name(void); \ + static struct test testinfo_##name \ + __attribute__((__section__("tests"))) \ + __attribute__((__used__)) = \ + { test_##name, desc }; \ + static bool test_##name(void) +#define DATA(...) (unsigned char []){ __VA_ARGS__ }, sizeof (unsigned char []){ __VA_ARGS__ } +#define CHECK(test) if (!(test)) { puts("! " #test); return false; } + +#define CHECK_UNPACK(data, fmt, ...) do { \ + enum pack_status CHECK_UNPACK_s = unpack(data, fmt, __VA_ARGS__); \ + if (CHECK_UNPACK_s != PACK_OK) { \ + printf(__FILE__ ":%d unpack(" #data ", " #fmt ", ...) -> %s (%d)\n", __LINE__, pack_strerror(CHECK_UNPACK_s), CHECK_UNPACK_s); \ + return false; \ + } \ +} while (0) +#define CHECK_EQUAL(f, a, b) if (a != b) { printf(__FILE__ ":%d %"f" != %"f"\n", __LINE__, a, b); return false; } + +#include "test.inc" + +TEST(simple0_float, "simple unpack float") +{ + float v[1] = { __LINE__ }; + + CHECK_UNPACK(DATA(0x00, 0x00, 0x00, 0x00), "f", &v); + CHECK_EQUAL("f", v[0], 0.0f); + CHECK_UNPACK(DATA(0x3f, 0x80, 0x00, 0x00), "f", &v); + CHECK_EQUAL("f", v[0], 1.0f); + CHECK_UNPACK(DATA(0x41, 0x00, 0x00, 0x00), "f", &v); + CHECK_EQUAL("f", v[0], 8.0f); + + return true; +} + +TEST(simple0_double, "simple unpack double") +{ + double v[1] = { __LINE__ }; + + CHECK_UNPACK(DATA(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00), "d", &v); + CHECK_EQUAL("f", v[0], 0.0f); + CHECK_UNPACK(DATA(0x3f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00), "d", &v); + CHECK_EQUAL("f", v[0], 1.0f); + CHECK_UNPACK(DATA(0x40, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00), "d", &v); + CHECK_EQUAL("f", v[0], 8.0f); + + return true; +} + +TEST(simple_padding, "simple unpack padding") +{ + struct { + int i; + unsigned char c; + float f; + } v = { __LINE__, __LINE__ + 1, __LINE__ + 2 }; + + CHECK_UNPACK(DATA(0xff, 0x85, + 0x00, 0x00, 0x00, + 0x16, + 0x00, 0x00, + 0x40, 0x44, 0x58, 0x00), + ">i3xBxxf", &v.i, &v.c, &v.f); + CHECK_EQUAL("d", v.i, -123); + CHECK_EQUAL("d", v.c, 22); + CHECK_EQUAL("f", v.f, 0x1.88bp+1); + + return true; +} + +int main(void) +{ + extern struct test __start_tests, __stop_tests; + + pack_trace = PACK_TRACE_OFF; + + for (struct test *t = &__start_tests; t < &__stop_tests; t++) { + if (t->func()) { + printf(" OK %s\n", t->desc); + continue; + } + pack_trace = PACK_TRACE_ALL; + fprintf(stderr, ">>> Test failure trace for '%s'\n", t->desc); + t->func(); + fprintf(stderr, "<<<\n"); + pack_trace = PACK_TRACE_OFF; + printf("FAIL %s\n", t->desc); + } +} -- cgit v1.2.3-54-g00ecf