Changeset 36198 in osm for applications/viewer/jmapviewer/test

Timestamp:

2023-12-27T16:17:21+01:00 (12 months ago)

Author:

taylor.smock

Message:

See #23367: Give some indication when an integer overflow occurs

In this case, we are throwing an ArithmeticException when an overflow occurs.

File:

• applications/viewer/jmapviewer/test/org/openstreetmap/gui/jmapviewer/TileRangeTest.java (modified) (2 diffs)

applications/viewer/jmapviewer/test/org/openstreetmap/gui/jmapviewer/TileRangeTest.java

@@ -4 +4 @@
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import org.junit.jupiter.api.Test;
@@ -21 +22 @@
                 new TileXY(6, 6), 10).size());
     }
+
+    /**
+     * Ensure that something exceptional happens when an integer overflow happens
+     */
+    @Test
+    void testSizeTooLarge() {
+        final TileRange allZ16 = new TileRange(new TileXY(0, 0), new TileXY(1 << 16, 1 << 16), 16);
+        assertThrows(ArithmeticException.class, allZ16::size);
+    }
 }