add helper macro for hs_throw_error() tests and add extremely long string test

1 files changed, 30 insertions, 32 deletions

diff --git a/src/tests/hs_throw_error_tests.c b/src/tests/hs_throw_error_tests.c
index ebb05b4..7ae683c 100644
--- a/src/tests/hs_throw_error_tests.c
+++ b/src/tests/hs_throw_error_tests.c
@@ -10,42 +10,39 @@ int set_err_string(lua_State *L)
 }
 
 
-int throw_const_error(lua_State *L)
-{
-    hs_throw_error(L, "a constant error");
-    return 0;
-}
+#define HS_ERROR_TEST(name, error_body, expectation)		\
+    int name ## _errfunc(lua_State *L) error_body;		\
+    TEST(name) {						\
+	lua_pushcfunction(L, set_err_string);			\
+	int pos = lua_gettop(L);				\
+	lua_pushcfunction(L, name ## _errfunc);			\
+	int result = lua_pcall(L, 0, 0, pos);			\
+	mu_assert_equal(result, LUA_ERRRUN);			\
+	mu_assert_str_not_equal(err_string, "");		\
+	mu_assert_str_equal(err_string, expectation);	\
+	return 0;						\
+    }    
 
-TEST(hs_throw_error_constant)
-{
-    lua_pushcfunction(L, set_err_string);
-    int pos = lua_gettop(L);
-    lua_pushcfunction(L, throw_const_error);
-    int result = lua_pcall(L, 0, 0, pos);
-    mu_assert_equal(result, LUA_ERRRUN);
-    mu_assert_str_not_equal(err_string, "");
-    mu_assert_str_equal(err_string, "a constant error");
-    return 0;
-}
 
+HS_ERROR_TEST(hs_throw_error_constant, {
+	hs_throw_error(L, "a constant error");
+	return 0;
+    }, "a constant error");
 
-int throw_number_error(lua_State *L)
-{
-    hs_throw_error(L, "%s number %d", "error", 10);
-    return 0;
-}
 
-TEST(hs_throw_error_format)
-{
-    lua_pushcfunction(L, set_err_string);
-    int pos = lua_gettop(L);
-    lua_pushcfunction(L, throw_number_error);
-    int result = lua_pcall(L, 0, 0, pos);
-    mu_assert_equal(result, LUA_ERRRUN);
-    mu_assert_str_not_equal(err_string, "");
-    mu_assert_str_equal(err_string, "error number 10");
-    return 0;
-}
+HS_ERROR_TEST(hs_throw_error_format, {
+	hs_throw_error(L, "%s number %d", "error", 10);
+	return 0;
+    }, "error number 10");
+
+
+HS_ERROR_TEST(hs_throw_error_long, {
+	hs_throw_error(L, "%s is a %s is a %s",
+		       "a very, very, very long string",
+		       "a very, very, very long string",
+		       "a very, very, very long string");
+	return 0;
+    }, "a very, very, very long string is a a very, very, very long string is a a very, very, very long string");
 
 
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -56,4 +53,5 @@ void hs_throw_error_tests()
 
     mu_run_test("throw constant error string", hs_throw_error_constant);
     mu_run_test("throw error with format string", hs_throw_error_format);
+    mu_run_test("throw error with very long string", hs_throw_error_long);
 }