Merge pull request #2068 from rouault/add_proj_get_suggested_operation

Add proj_get_suggested_operation()

1 files changed, 29 insertions, 5 deletions

diff --git a/test/unit/test_c_api.cpp b/test/unit/test_c_api.cpp
index bcd14c0f..c984e84e 100644
--- a/test/unit/test_c_api.cpp
+++ b/test/unit/test_c_api.cpp
@@ -1348,12 +1348,36 @@ TEST_F(CApi, proj_create_operations) {
 
     EXPECT_EQ(proj_list_get(m_ctxt, res, -1), nullptr);
     EXPECT_EQ(proj_list_get(m_ctxt, res, proj_list_get_count(res)), nullptr);
-    auto op = proj_list_get(m_ctxt, res, 0);
-    ASSERT_NE(op, nullptr);
-    ObjectKeeper keeper_op(op);
-    EXPECT_FALSE(proj_coordoperation_has_ballpark_transformation(m_ctxt, op));
+    {
+        auto op = proj_list_get(m_ctxt, res, 0);
+        ASSERT_NE(op, nullptr);
+        ObjectKeeper keeper_op(op);
+        EXPECT_FALSE(
+            proj_coordoperation_has_ballpark_transformation(m_ctxt, op));
+        EXPECT_EQ(proj_get_name(op), std::string("NAD27 to NAD83 (3)"));
+    }
+
+    {
+        PJ_COORD coord;
+        coord.xy.x = 40;
+        coord.xy.y = -100;
+        int idx = proj_get_suggested_operation(m_ctxt, res, PJ_FWD, coord);
+        ASSERT_GE(idx, 0);
+        ASSERT_LT(idx, proj_list_get_count(res));
+        auto op = proj_list_get(m_ctxt, res, idx);
+        ASSERT_NE(op, nullptr);
+        ObjectKeeper keeper_op(op);
+        // Transformation for USA
+        EXPECT_EQ(proj_get_name(op), std::string("NAD27 to NAD83 (1)"));
+    }
 
-    EXPECT_EQ(proj_get_name(op), std::string("NAD27 to NAD83 (3)"));
+    {
+        PJ_COORD coord;
+        coord.xy.x = 40;
+        coord.xy.y = 10;
+        int idx = proj_get_suggested_operation(m_ctxt, res, PJ_FWD, coord);
+        EXPECT_GE(idx, -1);
+    }
 }
 
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