From: Michael Roth Date: Fri, 10 May 2013 22:46:06 +0000 (-0500) Subject: qapi: add QMP input test for large integers X-Git-Tag: qemu-xen-4.4.0-rc1~6^2~371^2~6 X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=e92cfa0d90c618ff1f131c60ef1b27aa6fe69a0a;p=qemu-upstream-4.4-testing.git qapi: add QMP input test for large integers Large integers previously got capped to LLONG_MAX/LLONG_MIN so we could store them as int64_t. This could lead to silent errors occuring. Now, we use a double to handle these cases. Add a test to confirm that QMPInputVisitor handles this as expected if we're expected an integer value: errors for out of range integer values that got promoted to doubles in this fashion. Signed-off-by: Michael Roth Reviewed-by: Laszlo Ersek Reviewed-by: Amos Kong Signed-off-by: Luiz Capitulino --- diff --git a/tests/test-qmp-input-visitor.c b/tests/test-qmp-input-visitor.c index 955a4c0b0..b308cf910 100644 --- a/tests/test-qmp-input-visitor.c +++ b/tests/test-qmp-input-visitor.c @@ -75,6 +75,24 @@ static void test_visitor_in_int(TestInputVisitorData *data, g_assert_cmpint(res, ==, value); } +static void test_visitor_in_int_overflow(TestInputVisitorData *data, + const void *unused) +{ + int64_t res = 0; + Error *errp = NULL; + Visitor *v; + + /* this will overflow a Qint/int64, so should be deserialized into + * a QFloat/double field instead, leading to an error if we pass it + * to visit_type_int. confirm this. + */ + v = visitor_input_test_init(data, "%f", DBL_MAX); + + visit_type_int(v, &res, NULL, &errp); + g_assert(error_is_set(&errp)); + error_free(errp); +} + static void test_visitor_in_bool(TestInputVisitorData *data, const void *unused) { @@ -292,6 +310,8 @@ int main(int argc, char **argv) input_visitor_test_add("/visitor/input/int", &in_visitor_data, test_visitor_in_int); + input_visitor_test_add("/visitor/input/int_overflow", + &in_visitor_data, test_visitor_in_int_overflow); input_visitor_test_add("/visitor/input/bool", &in_visitor_data, test_visitor_in_bool); input_visitor_test_add("/visitor/input/number",