Extract ParseDescriptorRange

So as to be consistently informative when the checks fail, and
to protect against unintentional divergence among the checks.

1 files changed, 15 insertions, 0 deletions

diff --git a/test/functional/wallet_importmulti.py b/test/functional/wallet_importmulti.py
index 5bfbaa2f0b..939390ecfe 100755
--- a/test/functional/wallet_importmulti.py
+++ b/test/functional/wallet_importmulti.py
@@ -591,6 +591,21 @@ class ImportMultiTest(BitcoinTestFramework):
                          key.p2sh_p2wpkh_addr,
                          solvable=True)
 
+        self.test_importmulti({"desc": descsum_create(desc), "timestamp": "now", "range": -1},
+                              success=False, error_code=-8, error_message='End of range is too high')
+
+        self.test_importmulti({"desc": descsum_create(desc), "timestamp": "now", "range": [-1, 10]},
+                              success=False, error_code=-8, error_message='Range should be greater or equal than 0')
+
+        self.test_importmulti({"desc": descsum_create(desc), "timestamp": "now", "range": [(2 << 31 + 1) - 1000000, (2 << 31 + 1)]},
+                              success=False, error_code=-8, error_message='End of range is too high')
+
+        self.test_importmulti({"desc": descsum_create(desc), "timestamp": "now", "range": [2, 1]},
+                              success=False, error_code=-8, error_message='Range specified as [begin,end] must not have begin after end')
+
+        self.test_importmulti({"desc": descsum_create(desc), "timestamp": "now", "range": [0, 1000001]},
+                              success=False, error_code=-8, error_message='Range is too large')
+
         # Test importing of a P2PKH address via descriptor
         key = get_key(self.nodes[0])
         self.log.info("Should import a p2pkh address from descriptor")