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-rw-r--r--lldb/packages/Python/lldbsuite/test/functionalities/register/register_command/TestRegisters.py15
1 files changed, 15 insertions, 0 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/register/register_command/TestRegisters.py b/lldb/packages/Python/lldbsuite/test/functionalities/register/register_command/TestRegisters.py
index b96b564b612..2c0425c4225 100644
--- a/lldb/packages/Python/lldbsuite/test/functionalities/register/register_command/TestRegisters.py
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/register/register_command/TestRegisters.py
@@ -488,3 +488,18 @@ class RegisterCommandsTestCase(TestBase):
self.expect("register read --set 0 r", error=True,
substrs=["the --set <set> option can't be used when registers names are supplied as arguments"])
+
+ self.expect("register write a", error=True,
+ substrs=["register write takes exactly 2 arguments: <reg-name> <value>"])
+ self.expect("register write a b c", error=True,
+ substrs=["register write takes exactly 2 arguments: <reg-name> <value>"])
+
+ @skipIfiOSSimulator
+ @skipIf(archs=no_match(['amd64', 'arm', 'i386', 'x86_64']))
+ @expectedFailureNetBSD
+ def test_write_unknown_register(self):
+ self.build()
+ self.common_setup()
+
+ self.expect("register write blub 1", error=True,
+ substrs=["error: Register not found for 'blub'."])
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