Range: Fix cases where max was set to or below min value

It will now raise an error whenever this happens so that we can fix
these situations. `max == min` is not allowed as it could lead to
divisions by zero in ratios, and `max < min` doesn't make much sense.

Fixes #33907.

1 files changed, 2 insertions, 0 deletions

diff --git a/scene/gui/range.cpp b/scene/gui/range.cpp
index 362697b4ad..97775f2946 100644
--- a/scene/gui/range.cpp
+++ b/scene/gui/range.cpp
@@ -100,6 +100,7 @@ void Range::set_value(double p_val) {
 	shared->emit_value_changed();
 }
 void Range::set_min(double p_min) {
+	ERR_FAIL_COND_MSG(p_min >= shared->max, "Range cannot have min value higher or equal to its max value.");
 
 	shared->min = p_min;
 	set_value(shared->val);
@@ -109,6 +110,7 @@ void Range::set_min(double p_min) {
 	update_configuration_warning();
 }
 void Range::set_max(double p_max) {
+	ERR_FAIL_COND_MSG(p_max <= shared->min, "Range cannot have max value lower or equal to its min value.");
 
 	shared->max = p_max;
 	set_value(shared->val);