create initial files and write three hs_pushstring() tests

1 files changed, 80 insertions, 0 deletions

diff --git a/src/test.c b/src/test.c
new file mode 100644
index 0000000..5275d4d
--- /dev/null
+++ b/src/test.c
@@ -0,0 +1,80 @@
+#include <stdio.h>
+#include <string.h>
+
+#include <lua.h>
+#include <lualib.h>
+#include <lauxlib.h>
+
+#include "honeysuckle.h"
+
+/* minunit testing macros modified from those at www.jera.com/techinfo/jtns/jtn002.html */
+#define mu_assert(message, test) do { if (!(test)) return message; } while (0)
+#define mu_run_test(name, test) do {                            \
+        lua_State *L = luaL_newstate();                         \
+        luaL_openlibs(L);                                       \
+        char *message = test(L);                                \
+        lua_close(L);                                           \
+        tests_run++;                                            \
+        if (message) {                                          \
+            printf("test '%s' failed: %s\n", name, message);    \
+            tests_failed++;                                     \
+        }                                                       \
+    } while (0)
+
+int tests_run = 0;
+int tests_failed = 0;
+
+
+/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * tests for hs_pushstring
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+static char* push_noformat(lua_State *L)
+{
+    hs_pushstring(L, "a string");
+    mu_assert("no string at top of stack!", lua_isstring(L, -1));
+    const char *string = lua_tostring(L, -1);
+    mu_assert("string != 'a string'", strcmp(string, "a string") == 0);
+    return 0;
+}
+
+static char* push_formatint(lua_State *L)
+{
+    hs_pushstring(L, "%d is 5", 5);
+    mu_assert("no string at top of stack!", lua_isstring(L, -1));
+    const char *string = lua_tostring(L, -1);
+    mu_assert("string != '5 is 5'", strcmp(string, "5 is 5") == 0);
+    return 0;
+}
+
+static char* push_formatstring(lua_State *L)
+{
+    hs_pushstring(L, "%s is 'hello'", "hello");
+    mu_assert("no string at top of stack!", lua_isstring(L, -1));
+    const char *string = lua_tostring(L, -1);
+    mu_assert("string != 'hello is 'hello''",
+              strcmp(string, "hello is 'hello'") == 0);
+    return 0;
+}
+
+/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * RUN TESTS
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+int main()
+{
+    printf("================ start tests ================\n\n");
+    printf("running hs_pushstring() tests...\n");
+    mu_run_test("hs_pushstring (no printf formatting)", push_noformat);
+    mu_run_test("hs_pushstring (integer formatting)", push_formatint);
+    mu_run_test("hs_pushstring (string formatting)", push_formatstring);
+    printf("\n=============== tests finished ===============\n\n");
+    printf("ran %d tests, %d failed\n", tests_run, tests_failed);
+    return 0;
+}