Initial commit

unit/CMakeLists.txt

@@ -0,0 +1,22 @@
+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)

unit/include/bh/unit.h

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+#ifndef BHLIB_UNIT_H
+#define BHLIB_UNIT_H
+
+#include <stdio.h>
+
+typedef int (*bh_unit_cb_t)(void);
+
+#define bh_unit_assert(e)                                                    \
+    if (!(e)) {                                                              \
+        printf("%s:%d\t%s", __FILE__, __LINE__, #e);                         \
+        return -1;                                                           \
+    }
+
+
+#define bh_unit_assert_delta(x, y, e)                                        \
+    if ((((x)>(y))?((x)-(y)):((y)-(x)))>(e)) {                               \
+        printf("%s:%d\t%s", __FILE__, __LINE__, #x " == " #y);               \
+        return -1;                                                           \
+    }
+
+void bh_unit_add(const char *name, bh_unit_cb_t func);
+int bh_unit_run(void);
+
+#endif /* BHLIB_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");
+        current = current->next;
+    }
+
+    return 0;
+}
+