Setup basic structure for test runner

Makefile

@@ -1,7 +1,13 @@
-CFLAGS ?= -Wall -Wextra -g -O1 -fpic
-LDFLAGS ?= -g -O1 -shared
+CFLAGS ?= -Wall -Wextra -g -O1
+LDFLAGS ?= -g -O1
+LIB_CFLAGS ?= -fpic
+LIB_LDFLAGS ?= -shared
 GARGOYLE_OBJS := gargoyle sleuth twine scribe
 
+# temporary until there are tests for all source files
+
+GARGOYLE_TEST_OBJS := runner twine
+
 .PHONY: all gargoyle init docs test clean
 
 all: gargoyle
@@ -11,19 +17,25 @@ gargoyle: bin/libgargoyle.so
 init: bin
 
 bin:
-	mkdir -p -- bin
+	mkdir -p -- bin/test
 
 bin/libgargoyle.so: $(addprefix bin/,$(addsuffix .o,$(GARGOYLE_OBJS)))
-	cc $(LDFLAGS) -o $@ $^
+	cc $(LDFLAGS) $(LIB_LDFLAGS) -o $@ $^
 
 bin/%.o: src/%.c | init
-	cc $(CFLAGS) -std=c99 -I include -c -o $@ $<
+	cc $(CFLAGS) $(LIB_CFLAGS) -std=c99 -I include -c -o $@ $<
 
 docs:
 	@printf "not implemented yet.\n" >&2
 
-test:
-	@printf "not implemented yet.\n" >&2
+test: bin/libgargoyle.so bin/gargoyle
+
+bin/gargoyle: $(addprefix bin/test/,$(addsuffix .o,$(GARGOYLE_TEST_OBJS)))
+	cc $(LDFLAGS) -L bin -o $@ $^ -l gargoyle -l cunit
+	bin/gargoyle
+
+bin/test/%.o: test/%.c | init
+	cc $(CFLAGS) -std=c99 -I include -c -o $@ $<
 
 clean:
-	rm -rf -- bin/*
+	rm -rf -- bin

include/gargoyle/test/twine.h

@@ -0,0 +1,8 @@
+#ifndef GARGOYLE_TEST_TWINE_H_
+#define GARGOYLE_TEST_TWINE_H_
+
+int init_suite_twine(void);
+int clean_suite_twine(void);
+void twine_test_is_sep(void);
+
+#endif

test/runner.c

@@ -0,0 +1,32 @@
+#include <CUnit/Basic.h>
+#include <CUnit/TestDB.h>
+#include <gargoyle/test/twine.h>
+
+int main() {
+  if(CU_initialize_registry() != CUE_SUCCESS) {
+    return CU_get_error();
+  }
+
+  CU_TestInfo twine_tests[] = {
+    { "is_sep", twine_test_is_sep },
+    CU_TEST_INFO_NULL,
+  };
+
+  CU_SuiteInfo suites[] = {
+    // { "gargoyle", init_suite_gargoyle, clean_suite_gargoyle, NULL, NULL, gargoyle_tests },
+    // { "scribe", init_suite_scribe, clean_suite_scribe, NULL, NULL, scribe_tests },
+    // { "sleuth", init_suite_sleuth, clean_suite_sleuth, NULL, NULL, sleuth_tests },
+    { "twine", init_suite_twine, clean_suite_twine, NULL, NULL, twine_tests },
+    CU_SUITE_INFO_NULL,
+  };
+
+  if(CU_register_suites(suites) != CUE_SUCCESS) {
+    CU_cleanup_registry();
+    return CU_get_error(); 
+  }
+
+  CU_basic_set_mode(CU_BRM_VERBOSE);
+  CU_basic_run_tests();
+  CU_cleanup_registry();
+  return CU_get_error();
+}

test/twine.c

@@ -0,0 +1,18 @@
+#include <CUnit/Basic.h>
+#include <gargoyle/test/twine.h>
+#include <gargoyle/twine.h>
+
+int init_suite_twine(void) {
+  return CUE_SUCCESS;
+}
+
+int clean_suite_twine(void) {
+  return CUE_SUCCESS;
+}
+
+void twine_test_is_sep(void) {
+  CU_ASSERT_TRUE(is_sep('-'));
+  CU_ASSERT_TRUE(is_sep('_'));
+  CU_ASSERT_FALSE(is_sep('*'));
+  CU_ASSERT_FALSE(is_sep('u'));
+}