Merge remote-tracking branch 'origin/master' into geoid_model

1 files changed, 34 insertions, 0 deletions

diff --git a/test/unit/test_io.cpp b/test/unit/test_io.cpp
index 79851695..a71b63bb 100644
--- a/test/unit/test_io.cpp
+++ b/test/unit/test_io.cpp
@@ -1174,6 +1174,40 @@ TEST(wkt_parse, wkt1_Mercator_1SP_with_latitude_origin_0) {
 
 // ---------------------------------------------------------------------------
 
+TEST(wkt_parse, wkt1_Mercator_1SP_without_scale_factor) {
+    // See https://github.com/OSGeo/PROJ/issues/1700
+    auto wkt = "PROJCS[\"unnamed\",\n"
+               "    GEOGCS[\"WGS 84\",\n"
+               "        DATUM[\"unknown\",\n"
+               "            SPHEROID[\"WGS84\",6378137,298.257223563]],\n"
+               "        PRIMEM[\"Greenwich\",0],\n"
+               "        UNIT[\"degree\",0.0174532925199433]],\n"
+               "    PROJECTION[\"Mercator_1SP\"],\n"
+               "    PARAMETER[\"central_meridian\",0],\n"
+               "    PARAMETER[\"false_easting\",0],\n"
+               "    PARAMETER[\"false_northing\",0],\n"
+               "    UNIT[\"Meter\",1],\n"
+               "    AXIS[\"Easting\",EAST],\n"
+               "    AXIS[\"Northing\",NORTH]]";
+    WKTParser parser;
+    parser.setStrict(false).attachDatabaseContext(DatabaseContext::create());
+    auto obj = parser.createFromWKT(wkt);
+    EXPECT_TRUE(!parser.warningList().empty());
+
+    auto crs = nn_dynamic_pointer_cast<ProjectedCRS>(obj);
+    ASSERT_TRUE(crs != nullptr);
+    auto got_wkt = crs->exportToWKT(
+        WKTFormatter::create(WKTFormatter::Convention::WKT1_GDAL).get());
+    EXPECT_TRUE(got_wkt.find("PARAMETER[\"scale_factor\",1]") !=
+                std::string::npos)
+        << got_wkt;
+    EXPECT_EQ(crs->exportToPROJString(PROJStringFormatter::create().get()),
+              "+proj=merc +lon_0=0 +k=1 +x_0=0 +y_0=0 +ellps=WGS84 +units=m "
+              "+no_defs +type=crs");
+}
+
+// ---------------------------------------------------------------------------
+
 TEST(wkt_parse, wkt1_krovak_south_west) {
     auto wkt =
         "PROJCS[\"S-JTSK / Krovak\","