5 files changed, 117 insertions(+), 0 deletions(-)

M .gitignore
M README.md
M meson.build
A subprojects/Unity.wrap
A tests/main.c

@@ 1,2 1,4 @@
 build
 .clangd
+subprojects/*
+!subprojects/*.wrap

@@ 15,6 15,10 @@ You may then compile (or re-compile) with:
 
     ninja -C build
 
+You can run the tests with:
+
+    ninja -C build test
+
 When you would like to commit your changes, please ensure that you have
 pre-commit hooks installed, so that automated checks can run on your code:
 

@@ 21,6 21,11 @@ libsc_argparse_dep = declare_dependency(
   link_with : libsc_argparse,
 )
 
+unity_dep = dependency(
+    'Unity',
+    fallback: ['Unity', 'unity_dep'],
+)
+
 pkg = import('pkgconfig')
 pkg.generate(
   libraries: libsc_argparse,


@@ 37,5 42,12 @@ executable(
   dependencies: libsc_argparse_dep,
 )
 
+tests = executable(
+  'unity-test',
+  ['tests/main.c'],
+  dependencies: [libsc_argparse_dep, unity_dep],
+)
+test('unit test', tests)
+
 # For each public header in "include/":
 install_headers('include/sc-argparse.h', subdir : 'sc-argparse')

@@ 0,0 1,6 @@
+[wrap-file]
+directory = Unity-2.5.1
+
+source_url = https://github.com/ThrowTheSwitch/Unity/archive/v2.5.1.tar.gz
+source_filename = Unity-2.5.1.tar.gz
+source_hash = 5ce08ef62f5f64d18f8137b3eaa6d29199ee81d1fc952cef0eea96660a2caf47

@@ 0,0 1,93 @@
+#include <unity.h>
+
+#include "sc-argparse.h"
+
+#define nelem(x) (sizeof(x) / sizeof(x[0]))
+
+static void reset_args(struct sc_arg args[])
+{
+	int i;
+	for (i = 0; args[i].type; i++) {
+		args[i].val_int = 0;
+		args[i].val_string = NULL;
+		args[i].seen = false;
+	}
+}
+
+void setUp(void)
+{
+	// set stuff up here
+}
+
+void tearDown(void)
+{
+	// clean stuff up here
+}
+
+void test_countargs(void)
+{
+	char **testarg;
+	struct sc_arg argspec[] = {
+		SC_ARG_COUNT('v', "--verbose", "use many times for output"),
+		SC_ARG_END(),
+	};
+
+	testarg = (char *[]){ "-v" };
+	sc_argparse(argspec, 1, testarg);
+	TEST_ASSERT_TRUE(argspec[0].seen);
+	TEST_ASSERT_EQUAL(1, argspec[0].val_int);
+	reset_args(argspec);
+
+	testarg = (char *[]){ "--verbose" };
+	sc_argparse(argspec, 1, testarg);
+	TEST_ASSERT_TRUE(argspec[0].seen);
+	TEST_ASSERT_EQUAL(1, argspec[0].val_int);
+	reset_args(argspec);
+
+	testarg = (char *[]){ "--verbose", "-vv", "--verbose" };
+	sc_argparse(argspec, 3, testarg);
+	TEST_ASSERT_TRUE(argspec[0].seen);
+	TEST_ASSERT_EQUAL(4, argspec[0].val_int);
+	reset_args(argspec);
+
+	testarg = (char *[]){};
+	sc_argparse(argspec, 0, testarg);
+	TEST_ASSERT_FALSE(argspec[0].seen);
+	TEST_ASSERT_EQUAL(0, argspec[0].val_int);
+	reset_args(argspec);
+}
+
+void test_intargs(void)
+{
+	char **testarg;
+	struct sc_arg argspec[] = {
+		SC_ARG_DEF_INT('c', "--count", 5, "help text"),
+		SC_ARG_INT('b', "--argb", "help text"),
+		SC_ARG_END(),
+	};
+
+	testarg = (char *[]){ "-b", "1" };
+	sc_argparse(argspec, 2, testarg);
+	TEST_ASSERT_EQUAL(5, argspec[0].val_int);
+	TEST_ASSERT_EQUAL(1, argspec[1].val_int);
+	TEST_ASSERT_TRUE(argspec[1].seen);
+	TEST_ASSERT_FALSE(argspec[0].seen);
+
+	reset_args(argspec);
+	argspec[1].val_int = 5; /* need to reset default */
+
+	testarg = (char *[]){ "-b", "-500", "-c", "1234" };
+	sc_argparse(argspec, 4, testarg);
+	TEST_ASSERT_EQUAL(1234, argspec[0].val_int);
+	TEST_ASSERT_EQUAL(-500, argspec[1].val_int);
+	TEST_ASSERT_TRUE(argspec[0].seen);
+	TEST_ASSERT_TRUE(argspec[1].seen);
+}
+
+int main(void)
+{
+	UNITY_BEGIN();
+	RUN_TEST(test_countargs);
+	RUN_TEST(test_intargs);
+	return UNITY_END();
+}