From: Raphael Isemann <teemperor@gmail.com>
Date: Fri, 12 Jun 2020 14:12:04 +0000 (+0200)
Subject: [lldb] Test creating persistent variables with $[digit] names
X-Git-Tag: llvmorg-12-init~3263
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a8c755545b0c4ace9a5fff55dc56258204a6b69d;p=platform%2Fupstream%2Fllvm.git

[lldb] Test creating persistent variables with $[digit] names
---

diff --git a/lldb/test/API/commands/expression/persistent_variables/TestPersistentVariables.py b/lldb/test/API/commands/expression/persistent_variables/TestPersistentVariables.py
index af909e9..ebe1809 100644
--- a/lldb/test/API/commands/expression/persistent_variables/TestPersistentVariables.py
+++ b/lldb/test/API/commands/expression/persistent_variables/TestPersistentVariables.py
@@ -28,3 +28,16 @@ class PersistentVariablesTestCase(TestBase):
         self.expect_expr("$4", result_type="int", result_value="-2")
         self.expect_expr("$4 > (int)31", result_type="bool", result_value="false")
         self.expect_expr("(long)$4", result_type="long", result_value="-2")
+
+        # Try assigning an existing persistent veriable with a numeric name.
+        self.expect("expr int $2 = 1234", error=True,
+            substrs=["Error [IRForTarget]: Names starting with $0, $1, ... are reserved for use as result names"])
+        # $2 should still have its original value.
+        self.expect_expr("$2", result_type="int", result_value="8")
+
+        # Try assigning an non-existing persistent veriable with a numeric name.
+        self.expect("expr int $200 = 3", error=True,
+            substrs=["Error [IRForTarget]: Names starting with $0, $1, ... are reserved for use as result names"])
+        # Test that $200 wasn't created by the previous expression.
+        self.expect("expr $200", error=True,
+            substrs=["use of undeclared identifier '$200'"])