Index: lldb/trunk/packages/Python/lldbsuite/test/expression_command/multiline/TestMultilineExpressions.py =================================================================== --- lldb/trunk/packages/Python/lldbsuite/test/expression_command/multiline/TestMultilineExpressions.py +++ lldb/trunk/packages/Python/lldbsuite/test/expression_command/multiline/TestMultilineExpressions.py @@ -12,6 +12,7 @@ class MultilineExpressionsTestCase(TestBase): mydir = TestBase.compute_mydir(__file__) + NO_DEBUG_INFO_TESTCASE = True def setUp(self): # Call super's setUp(). @@ -60,3 +61,30 @@ child.expect_exact(prompt) self.expect(child.before, exe=False, patterns=['= 5']) + + @skipIfRemote + @expectedFailureAll( + oslist=["windows"], + bugnumber="llvm.org/pr22274: need a pexpect replacement for windows") + def test_empty_list(self): + """Test printing an empty list of expressions""" + import pexpect + prompt = "(lldb) " + + # So that the child gets torn down after the test + self.child = pexpect.spawn( + "%s %s" % + (lldbtest_config.lldbExec, self.lldbOption)) + child = self.child + + # Turn on logging for what the child sends back. + if self.TraceOn(): + child.logfile_read = sys.stdout + + # We expect a prompt, then send "print" to start a list of expressions, + # then an empty line. We expect a prompt back. + child.expect_exact(prompt) + child.sendline("print") + child.expect_exact('1:') + child.sendline("") + child.expect_exact(prompt) Index: lldb/trunk/source/Host/common/Editline.cpp =================================================================== --- lldb/trunk/source/Host/common/Editline.cpp +++ lldb/trunk/source/Host/common/Editline.cpp @@ -367,7 +367,7 @@ if (to == CursorLocation::EditingCursor) { toColumn = editline_cursor_position - (editline_cursor_row * m_terminal_width) + 1; - } else if (to == CursorLocation::BlockEnd) { + } else if (to == CursorLocation::BlockEnd && !m_input_lines.empty()) { toColumn = ((m_input_lines[m_input_lines.size() - 1].length() + GetPromptWidth()) % 80) +