From 6df54459f540fa258824658ecd68602c83ccd348 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Tue, 28 Sep 2021 17:48:33 +0200
Subject: Experiment for testing if exit() is called without terminating the
 test program.

---
 examples/ExampleTest.cc |  2 ++
 examples/getbaud.cc     |  7 +++++++
 uunit.h                 | 14 ++++++++++++++
 3 files changed, 23 insertions(+)

diff --git a/examples/ExampleTest.cc b/examples/ExampleTest.cc
index aebe712..5b6d788 100644
--- a/examples/ExampleTest.cc
+++ b/examples/ExampleTest.cc
@@ -116,6 +116,8 @@ public:
 
 		uASSERT_EQUAL(Speed::B230400, getBaud(230400));
 		uASSERT_EQUAL(Speed::B230400, getBaud(230401));
+
+		uASSERT_THROWS(exit_called, getBaud(42));
 	}
 
 	void exceptionTests()
diff --git a/examples/getbaud.cc b/examples/getbaud.cc
index 2488fc1..24178fd 100644
--- a/examples/getbaud.cc
+++ b/examples/getbaud.cc
@@ -1,7 +1,14 @@
 #include "getbaud.h"
 
+#include <cstdlib>
+
 Speed getBaud(int speed)
 {
+	if(speed == 42)
+	{
+		exit(42);
+	}
+
 	struct
 	{
 		int value;
diff --git a/uunit.h b/uunit.h
index 92feb8d..9ee6e5d 100644
--- a/uunit.h
+++ b/uunit.h
@@ -53,6 +53,11 @@ public:
 		std::size_t id;
 	};
 
+	struct exit_called
+	{
+		int exit_value;
+	};
+
 	//! Run test
 	//! \param test_suite the name of a test suite or null for all.
 	//! \param test_name the name of a test name inside a test suite. Only valid
@@ -323,4 +328,13 @@ void report_result(const char* name, const char* file, bool success)
 
 std::function<void(const char*, const char*, bool)> uUnit::status_cb{report_result};
 
+extern "C"
+{
+void exit(int i)
+{
+	throw uUnit::exit_called{i};
+	while(1){}
+}
+}
+
 #endif
-- 
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