68 lines · python
1"""2Test completion for multiline expressions.3"""4 5import lldb6from lldbsuite.test.decorators import *7from lldbsuite.test.lldbtest import *8from lldbsuite.test.lldbpexpect import PExpectTest9 10 11class MultilineCompletionTest(PExpectTest):12 def start_expression_editor(self):13 """Starts the multiline expression editor."""14 self.child.send("expression\n")15 self.child.expect_exact("terminate with an empty line to evaluate")16 17 def exit_expression_editor(self):18 """Exits the multiline expression editor."""19 # Send a newline to finish the current line. The second newline will20 # finish the new empty line which will exit the editor. The space at the21 # start prevents that the first newline already exits the editor (in22 # case the current line of the editor is already empty when this23 # function is called).24 self.child.send(" \n\n")25 self.expect_prompt()26 27 # PExpect uses many timeouts internally and doesn't play well28 # under ASAN on a loaded machine..29 @skipIfAsan30 @skipIfEditlineSupportMissing31 @expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr49408")32 @skipIf(oslist=["linux"], archs=["arm$", "aarch64"])33 def test_basic_completion(self):34 """Test that we can complete a simple multiline expression"""35 self.build()36 37 self.launch(executable=self.getBuildArtifact("a.out"), dimensions=(100, 500))38 self.expect("b main", substrs=["Breakpoint 1", "address ="])39 self.expect("run", substrs=["stop reason = breakpoint 1"])40 41 self.start_expression_editor()42 self.child.send("to_\t")43 # editline might move the cursor back to the start of the line via \r44 # and then back to its original position.45 self.child.expect(46 re.compile(47 b"to_(\r"48 + self.cursor_forward_escape_seq(len(" 1: to_"))49 + b")?complete"50 )51 )52 self.exit_expression_editor()53 54 # Check that completion empty input in a function with only one55 # local variable works.56 self.expect(57 "breakpoint set -p 'break in single_local_func'", substrs=["Breakpoint 2"]58 )59 self.expect("continue", substrs=["stop reason = breakpoint 2"])60 self.start_expression_editor()61 self.child.send("\t")62 # Only one local, so this will directly insert 'only_local' with a63 # trailing space to signal a final completion.64 self.child.expect_exact("only_local ")65 self.exit_expression_editor()66 67 self.quit()68