1 files changed, 37 insertions, 1 deletions
diff --git a/test/unit/test_factory.cpp b/test/unit/test_factory.cpp
index 02033a8a..c10c4697 100644
--- a/test/unit/test_factory.cpp
+++ b/test/unit/test_factory.cpp
@@ -1261,7 +1261,7 @@ TEST(
     auto operations = concatenated->operations();
     ASSERT_EQ(operations.size(), 2U);
     EXPECT_TRUE(operations[0]->isEquivalentTo(
-        factory->createCoordinateOperation("7972", false).get()));
+        factory->createCoordinateOperation("7813", false).get()));
     EXPECT_TRUE(operations[1]->isEquivalentTo(
         factory->createCoordinateOperation("7969", false).get()));
 }
@@ -1270,6 +1270,42 @@ TEST(
 
 TEST(
     factory,
+    AuthorityFactory_createCoordinateOperation_concatenated_operation_step_2_and_3_are_conversion) {
+    auto factory = AuthorityFactory::create(DatabaseContext::create(), "EPSG");
+    auto op = factory->createCoordinateOperation("7987", false);
+    auto concatenated = nn_dynamic_pointer_cast<ConcatenatedOperation>(op);
+    ASSERT_TRUE(concatenated != nullptr);
+    auto operations = concatenated->operations();
+    ASSERT_EQ(operations.size(), 3U);
+    EXPECT_TRUE(operations[0]->isEquivalentTo(
+        factory->createCoordinateOperation("7980", false).get()));
+    EXPECT_TRUE(operations[1]->isEquivalentTo(
+        factory->createCoordinateOperation("7812", false).get()));
+    EXPECT_TRUE(operations[2]->isEquivalentTo(
+        factory->createCoordinateOperation("7813", false).get()));
+
+    EXPECT_EQ(operations[1]->targetCRS()->nameStr(), "KOC WD depth");
+    EXPECT_EQ(operations[2]->sourceCRS()->nameStr(),
+              operations[1]->targetCRS()->nameStr());
+    EXPECT_EQ(
+        concatenated->exportToPROJString(PROJStringFormatter::create().get()),
+        "+proj=pipeline "
+        "+step +proj=geogoffset +dh=-4.74 "
+        "+step +proj=axisswap +order=1,2,-3 "
+        "+step +proj=unitconvert +z_in=m +z_out=ft");
+
+    EXPECT_EQ(concatenated->inverse()->exportToPROJString(
+                  PROJStringFormatter::create().get()),
+              "+proj=pipeline "
+              "+step +proj=unitconvert +z_in=ft +z_out=m "
+              "+step +proj=axisswap +order=1,2,-3 "
+              "+step +proj=geogoffset +dh=4.74");
+}
+
+// ---------------------------------------------------------------------------
+
+TEST(
+    factory,
     AuthorityFactory_createCoordinateOperation_concatenated_operation_epsg_9103) {
     auto factory = AuthorityFactory::create(DatabaseContext::create(), "EPSG");
     auto op = factory->createCoordinateOperation("9103", false);