From 88f2b88c3889e9dd0c894d389d67b17617412094 Mon Sep 17 00:00:00 2001
From: "Luke T. Shumaker" <lukeshu@lukeshu.com>
Date: Mon, 25 Nov 2024 08:28:13 -0700
Subject: wip: libcr_ipc: Add some tests

---
 libcr_ipc/tests/config.h    | 19 ++++++++++++++++++
 libcr_ipc/tests/test.h      | 21 +++++++++++++++++++
 libcr_ipc/tests/test_chan.c | 49 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 89 insertions(+)
 create mode 100644 libcr_ipc/tests/config.h
 create mode 100644 libcr_ipc/tests/test.h
 create mode 100644 libcr_ipc/tests/test_chan.c

(limited to 'libcr_ipc/tests')

diff --git a/libcr_ipc/tests/config.h b/libcr_ipc/tests/config.h
new file mode 100644
index 0000000..949a82f
--- /dev/null
+++ b/libcr_ipc/tests/config.h
@@ -0,0 +1,19 @@
+/* config.h - TODO
+ *
+ * Copyright (C) 2024  Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#ifndef _CONFIG_H_
+#define _CONFIG_H_
+
+#define CONFIG_COROUTINE_DEFAULT_STACK_SIZE    (4*1024)
+#define CONFIG_COROUTINE_NAME_LEN              16
+#define CONFIG_COROUTINE_NUM                   8
+
+#define CONFIG_COROUTINE_MEASURE_STACK         1
+#define CONFIG_COROUTINE_PROTECT_STACK         1
+#define CONFIG_COROUTINE_DEBUG                 1
+#define CONFIG_COROUTINE_VALGRIND              1
+
+#endif /* _CONFIG_H_ */
diff --git a/libcr_ipc/tests/test.h b/libcr_ipc/tests/test.h
new file mode 100644
index 0000000..4928d8d
--- /dev/null
+++ b/libcr_ipc/tests/test.h
@@ -0,0 +1,21 @@
+/* libcr_ipc/tests/test.h - Common test utilities
+ *
+ * Copyright (C) 2024  Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#ifndef _LIBCR_IPC_TESTS_TEST_H_
+#define _LIBCR_IPC_TESTS_TEST_H_
+
+#include <stdio.h>
+#include <stdlib.h> /* for exit() */
+
+#define test_assert(expr) do {                                       \
+		if (!(expr)) {                                       \
+			printf("test failure: %s:%d:%s: %s\n",       \
+			       __FILE__, __LINE__, __func__, #expr); \
+			exit(1);                                     \
+		}                                                    \
+	} while (0)
+
+#endif /* _LIBCR_IPC_TESTS_TEST_H_ */
diff --git a/libcr_ipc/tests/test_chan.c b/libcr_ipc/tests/test_chan.c
new file mode 100644
index 0000000..9d6eecf
--- /dev/null
+++ b/libcr_ipc/tests/test_chan.c
@@ -0,0 +1,49 @@
+/* libcr_ipc/tests/test_chan.c - Tests for <libcr_ipc/chan.h>
+ *
+ * Copyright (C) 2024  Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#include <libcr/coroutine.h>
+#include <libcr_ipc/chan.h>
+
+#include "test.h"
+
+CR_CHAN_DECLARE(intchan, int)
+
+COROUTINE cr_producer(void *_ch) {
+	intchan_t *ch = _ch;
+	cr_begin();
+
+	intchan_send(ch, 1);
+
+	while (!intchan_can_send(ch))
+		cr_yield();
+
+	intchan_send(ch, 2);
+
+
+	cr_end();
+}
+
+COROUTINE cr_consumer(void *_ch) {
+	int x;
+	intchan_t *ch = _ch;
+	cr_begin();
+
+	x = intchan_recv(ch);
+	test_assert(x == 1);
+
+	x = intchan_recv(ch);
+	test_assert(x == 2);
+
+	cr_end();
+}
+
+int main() {
+	intchan_t ch = {0};
+	coroutine_add("producer", cr_producer, &ch);
+	coroutine_add("consumer", cr_consumer, &ch);
+	coroutine_main();
+	return 0;
+}
-- 
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