Initial commit

unit/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.10)
+
+# Project and C standard configuration
+project(bhunit LANGUAGES C)
+set(CMAKE_C_STANDARD 90)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+
+# Disable extensions
+set(CMAKE_C_EXTENSIONS OFF)
+
+# Library code
+set(BHUNIT_SOURCE
+    src/unit.c
+)
+
+set(BHUNIT_HEADER
+    include/bh/unit.h
+)
+
+# Library
+add_library(bhunit STATIC ${BHUNIT_SOURCE} ${BHUNIT_HEADER})
+target_include_directories(bhunit PUBLIC include)
+
+# Enable all compiler warnings
+if(MSVC)
+  target_compile_options(bhunit PRIVATE /W4 /WX)
+else()
+  target_compile_options(bhunit PRIVATE -Wall -Wextra -Wpedantic -Werror)
+endif()

unit/include/bh/unit.h

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+#ifndef BH_UNIT_H
+#define BH_UNIT_H
+
+#include <stdio.h>
+
+typedef int (*bh_unit_cb_t)(void);
+
+#define BH_VERIFY(e) \
+    do { if (!(e)) { \
+        printf("%s:%d\t%s\n", __FILE__, __LINE__, #e); \
+        return -1; \
+    } } while(0)
+
+
+#define BH_FAIL(msg) \
+    do { printf("%s:%d\t%s\n", __FILE__, __LINE__, msg); \
+    return -1; } while(0)
+
+
+#define BH_VERIFY_DELTA(x, y, e) \
+    do { if ((((x)>(y))?((x)-(y)):((y)-(x)))>(e)) { \
+        printf("%s:%d\t%s\n", __FILE__, __LINE__, #x " == " #y); \
+        return -1; \
+    } while (0)
+
+void bh_unit_add(const char *name, bh_unit_cb_t func);
+int bh_unit_run(void);
+
+#endif /* BH_UNIT_H */

unit/src/unit.c

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+#include <bh/unit.h>
+#include <stdlib.h>
+
+typedef struct bh_unit_s
+{
+    struct bh_unit_s *next;
+    const char *name;
+    bh_unit_cb_t func;
+} bh_unit_t;
+
+static bh_unit_t *root = NULL;
+
+void bh_unit_add(const char *name, bh_unit_cb_t func)
+{
+    bh_unit_t *unit, *current;
+
+    unit = malloc(sizeof(*unit));
+    if (!unit)
+        return;
+
+    unit->name = name;
+    unit->func = func;
+    unit->next = NULL;
+
+    current = root;
+    while (current && current->next)
+        current = current->next;
+
+    if (current)
+        current->next = unit;
+    else
+        root = unit;
+}
+
+int bh_unit_run(void)
+{
+    bh_unit_t *current;
+    printf("Running tests...\n");
+
+    current = root;
+    while (current)
+    {
+        printf("%s\n", current->name);
+        if (current->func())
+        {
+            printf("\tFAIL\n");
+            return -1;
+        }
+        printf("\tPASS\n");
+        fflush(stdout);
+        current = current->next;
+    }
+
+    return 0;
+}
+