1 files changed, 30 insertions, 0 deletions
diff --git a/test/unit/test_crs.cpp b/test/unit/test_crs.cpp
index c988080b..6ab60270 100644
--- a/test/unit/test_crs.cpp
+++ b/test/unit/test_crs.cpp
@@ -3157,6 +3157,36 @@ TEST(crs, verticalCRS_as_WKT1_GDAL) {
 
 // ---------------------------------------------------------------------------
 
+TEST(crs, verticalCRS_as_WKT1_ESRI) {
+    auto crs = createVerticalCRS();
+    auto expected = "VERTCS[\"ODN height\",VDATUM[\"Ordnance Datum Newlyn\"],"
+                    "PARAMETER[\"Vertical_Shift\",0.0],"
+                    "PARAMETER[\"Direction\",1.0],"
+                    "UNIT[\"Meter\",1.0]]";
+
+    EXPECT_EQ(
+        crs->exportToWKT(
+            WKTFormatter::create(WKTFormatter::Convention::WKT1_ESRI).get()),
+        expected);
+}
+// ---------------------------------------------------------------------------
+
+TEST(crs, verticalCRS_down_as_WKT1_ESRI) {
+    auto wkt = "VERTCS[\"Caspian\",VDATUM[\"Caspian_Sea\"],"
+               "PARAMETER[\"Vertical_Shift\",0.0],"
+               "PARAMETER[\"Direction\",-1.0],UNIT[\"Meter\",1.0]]";
+
+    auto obj = WKTParser().createFromWKT(wkt);
+    auto crs = nn_dynamic_pointer_cast<VerticalCRS>(obj);
+    ASSERT_TRUE(crs != nullptr);
+    EXPECT_EQ(
+        crs->exportToWKT(
+            WKTFormatter::create(WKTFormatter::Convention::WKT1_ESRI).get()),
+        wkt);
+}
+
+// ---------------------------------------------------------------------------
+
 TEST(crs, verticalCRS_identify_db) {
     auto dbContext = DatabaseContext::create();
     auto factory = AuthorityFactory::create(dbContext, "EPSG");