Update test to work with windows temp path

h3/test/expected/type.out

@@ -38,9 +38,31 @@ SELECT :hexagon = :asbigint::h3index;
 --
 -- TEST binary io
 --
-COPY (SELECT :hexagon) TO '/tmp/test.bin' (FORMAT binary);
-CREATE TEMPORARY TABLE tmp (val h3index);
-COPY tmp FROM '/tmp/test.bin' (FORMAT binary);
-SELECT val = :hexagon FROM tmp WHERE val = :hexagon;
+CREATE OR REPLACE FUNCTION copy_to_and_from_file(index h3index) RETURNS BOOLEAN LANGUAGE PLPGSQL AS
+$$
+DECLARE
+    result BOOL;
+BEGIN
+    CREATE TEMPORARY TABLE from_temp (val h3index);
+    INSERT INTO from_temp (val) VALUES (index);
+    CREATE TEMPORARY TABLE to_tmp (val h3index);
+    IF (
+        SELECT CASE setting WHEN 'windows' THEN true ELSE false END AS isWindows
+        FROM pg_catalog.pg_file_settings
+        WHERE name = 'dynamic_shared_memory_type'
+    )
+    THEN
+        COPY (SELECT val FROM from_temp) TO 'C:\Windows\Temp\test.bin' (FORMAT binary);
+        COPY to_tmp FROM 'C:\Windows\Temp\test.bin' (FORMAT binary);
+    ELSE
+        COPY (SELECT val FROM from_temp) TO '/tmp/test.bin' (FORMAT binary);
+        COPY to_tmp FROM '/tmp/test.bin' (FORMAT binary);
+    END IF;
+
+    SELECT val = index into result FROM to_tmp WHERE val = index;
+    RETURN result;
+END;
+$$;
+SELECT copy_to_and_from_file(:hexagon);
  t
 

h3/test/sql/type.sql

@@ -26,7 +26,29 @@ SELECT :hexagon = :asbigint::h3index;
 --
 -- TEST binary io
 --
-COPY (SELECT :hexagon) TO '/tmp/test.bin' (FORMAT binary);
-CREATE TEMPORARY TABLE tmp (val h3index);
-COPY tmp FROM '/tmp/test.bin' (FORMAT binary);
-SELECT val = :hexagon FROM tmp WHERE val = :hexagon;
+CREATE OR REPLACE FUNCTION copy_to_and_from_file(index h3index) RETURNS BOOLEAN LANGUAGE PLPGSQL AS
+$$
+DECLARE
+    result BOOL;
+BEGIN
+    CREATE TEMPORARY TABLE from_temp (val h3index);
+    INSERT INTO from_temp (val) VALUES (index);
+    CREATE TEMPORARY TABLE to_tmp (val h3index);
+    IF (
+        SELECT CASE setting WHEN 'windows' THEN true ELSE false END AS isWindows
+        FROM pg_catalog.pg_file_settings
+        WHERE name = 'dynamic_shared_memory_type'
+    )
+    THEN
+        COPY (SELECT val FROM from_temp) TO 'D:\a\h3-pg\test.bin' (FORMAT binary);
+        COPY to_tmp FROM 'D:\a\h3-pg\test.bin' (FORMAT binary);
+    ELSE
+        COPY (SELECT val FROM from_temp) TO '/tmp/test.bin' (FORMAT binary);
+        COPY to_tmp FROM '/tmp/test.bin' (FORMAT binary);
+    END IF;
+
+    SELECT val = index into result FROM to_tmp WHERE val = index;
+    RETURN result;
+END;
+$$;
+SELECT copy_to_and_from_file(:hexagon);