1 files changed, 38 insertions, 0 deletions
diff --git a/tests/test-serial-flush.cpp b/tests/test-serial-flush.cpp
new file mode 100644
index 0000000..409d1f9
--- /dev/null
+++ b/tests/test-serial-flush.cpp
@@ -0,0 +1,38 @@
+/*
+ * Tests the "flush" Serial function.
+ */
+
+#include <wirish/wirish.h>
+
+void setup() {
+    Serial1.begin(9600);
+    Serial1.println("Hello world!");
+}
+
+void loop() {
+    Serial1.println("Waiting for multiple input...");
+    while (Serial1.available() < 5)
+        ;
+    Serial1.println(Serial1.read());
+    Serial1.println(Serial1.read());
+    Serial1.flush();
+
+    if (Serial1.available()) {
+        Serial1.println("FAIL! Still had junk in the buffer...");
+    }
+}
+
+// Force init to be called *first*, i.e. before static object allocation.
+// Otherwise, statically allocated objects that need libmaple may fail.
+__attribute__((constructor)) void premain() {
+    init();
+}
+
+int main(void) {
+    setup();
+
+    while (true) {
+        loop();
+    }
+    return 0;
+}