[geos-commits] [SCM] GEOS branch main updated. 5ae8f7c6499b41e650e389a1c9eb2a81025b252c

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- Log -----------------------------------------------------------------
commit 5ae8f7c6499b41e650e389a1c9eb2a81025b252c
Author: Daniel Baston <dbaston at gmail.com>
Date:   Fri May 1 08:45:59 2026 -0400

    CircularArc: Handle self-assignment (#1431)
    
    Resolves https://github.com/libgeos/geos/issues/1430

diff --git a/src/geom/CircularArc.cpp b/src/geom/CircularArc.cpp
index 1bca8155a..7dfcbbf34 100644
--- a/src/geom/CircularArc.cpp
+++ b/src/geom/CircularArc.cpp
@@ -142,6 +142,10 @@ CircularArc::CircularArc(CircularArc&& other) noexcept {
 CircularArc&
 CircularArc::operator=(const CircularArc& other)
 {
+    if (this == &other) {
+        return *this;
+    }
+
     if (m_own_coordinates) {
         delete m_seq;
     }
diff --git a/tests/unit/geom/CircularArcTest.cpp b/tests/unit/geom/CircularArcTest.cpp
index 67df5734a..47078db1f 100644
--- a/tests/unit/geom/CircularArcTest.cpp
+++ b/tests/unit/geom/CircularArcTest.cpp
@@ -148,4 +148,32 @@ void object::test<6>() {
     ensure_equals(c1, c2);
 }
 
+template<>
+template<>
+void object::test<7>() {
+    set_test_name("self-assignment");
+
+    CoordinateXY p0(0.0, 0.0);
+    CoordinateXY p1(1.0, 1.0);
+    CoordinateXY p2(2.0, 0.0);
+
+    CircularArc arc = CircularArc::create(p0, p1, p2);
+
+    const auto radius = arc.getRadius();
+    const auto center = arc.getCenter();
+    const auto orientation = arc.getOrientation();
+
+    CircularArc* arcPtr = &arc;
+    *arcPtr = arc;
+
+    ensure_equals(arc.p0(), p0);
+    ensure_equals(arc.p1(), p1);
+    ensure_equals(arc.p2(), p2);
+
+    ensure_equals(arc.getRadius(), radius);
+    ensure_equals(arc.getCenter(), center);
+    ensure_equals(arc.getOrientation(), orientation);
+}
+
+
 }

-----------------------------------------------------------------------

Summary of changes:
 src/geom/CircularArc.cpp            |  4 ++++
 tests/unit/geom/CircularArcTest.cpp | 28 ++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)


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