4 files changed, 33 insertions, 2 deletions
diff --git a/lily-test.c b/lily-test.c
index 9b54021..cae4657 100644
--- a/lily-test.c
+++ b/lily-test.c
@@ -1,6 +1,7 @@
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include "lily-test.h"
 
 struct lily_globals_t _lily_globals;
@@ -66,7 +67,7 @@ void _lily_assert_true(const char *statement, bool value, const char *location)
 
 void _lily_assert_false(const char *statement, bool value, const char *location)
 {
-   lily_assert_msg(value, location,
+   lily_assert_msg(!value, location,
 		   "%s is not false",
 		   statement);
 }
diff --git a/tests/assertions.c b/tests/assertions.c
index 0a2875d..ad9fc18 100644
--- a/tests/assertions.c
+++ b/tests/assertions.c
@@ -73,3 +73,32 @@ const char *test_assert_true()
 
    return 0;
 }
+
+
+const char *test_assert_false()
+{
+   int val = setjmp(_lily_globals.env);
+   if (val != 0)
+      return "true assertion failed incorrectly!";
+
+   lily_assert_false(false);
+
+   int passed_thru = 0;
+   _lily_globals.error_msg = NULL;
+   _lily_globals.error_location = "";
+   val = setjmp(_lily_globals.env);
+
+   if (passed_thru == 0) {
+      passed_thru = 1;
+      lily_assert_false(true);
+      return "false assertion incorrectly succeeded!";
+   }
+   else {
+      if (strcmp(_lily_globals.error_msg, "true is not false") != 0)
+	 return "false assertion produced incorrect error message!";
+      if (strcmp(_lily_globals.error_location, "tests/assertions.c:93") != 0)
+	 return "false assertion produced incorrect error location!";
+   }
+
+   return 0;
+}
diff --git a/tests/main.c b/tests/main.c
index 65683ee..5dfb679 100644
--- a/tests/main.c
+++ b/tests/main.c
@@ -13,6 +13,7 @@ int main()
    run_test(test_LILY_LOCATION);
    run_test(test_assert_msg);
    run_test(test_assert_true);
+   run_test(test_assert_false);
    
    return 0;
 }
diff --git a/tests/tests.h b/tests/tests.h
index 7962104..ca72b4a 100644
--- a/tests/tests.h
+++ b/tests/tests.h
@@ -10,5 +10,5 @@ int validate_message(const char* received, const char* expected,
 const char* test_LILY_LOCATION();
 const char* test_assert_msg();
 const char* test_assert_true();
-
+const char* test_assert_false();
 #endif