| """ | |
| Test completion for multiline expressions. | |
| """ | |
| import lldb | |
| from lldbsuite.test.decorators import * | |
| from lldbsuite.test.lldbtest import * | |
| from lldbsuite.test.lldbpexpect import PExpectTest | |
| class MultilineCompletionTest(PExpectTest): | |
| def start_expression_editor(self): | |
| """Starts the multiline expression editor.""" | |
| self.child.send("expression\n") | |
| self.child.expect_exact("terminate with an empty line to evaluate") | |
| def exit_expression_editor(self): | |
| """Exits the multiline expression editor.""" | |
| # Send a newline to finish the current line. The second newline will | |
| # finish the new empty line which will exit the editor. The space at the | |
| # start prevents that the first newline already exits the editor (in | |
| # case the current line of the editor is already empty when this | |
| # function is called). | |
| self.child.send(" \n\n") | |
| self.expect_prompt() | |
| # PExpect uses many timeouts internally and doesn't play well | |
| # under ASAN on a loaded machine.. | |
| @skipIfAsan | |
| @skipIfEditlineSupportMissing | |
| @expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr49408") | |
| @skipIf(oslist=["linux"], archs=["arm$", "aarch64"]) | |
| def test_basic_completion(self): | |
| """Test that we can complete a simple multiline expression""" | |
| self.build() | |
| self.launch(executable=self.getBuildArtifact("a.out"), dimensions=(100, 500)) | |
| self.expect("b main", substrs=["Breakpoint 1", "address ="]) | |
| self.expect("run", substrs=["stop reason = breakpoint 1"]) | |
| self.start_expression_editor() | |
| self.child.send("to_\t") | |
| # editline might move the cursor back to the start of the line via \r | |
| # and then back to its original position. | |
| self.child.expect( | |
| re.compile( | |
| b"to_(\r" | |
| + self.cursor_forward_escape_seq(len(" 1: to_")) | |
| + b")?complete" | |
| ) | |
| ) | |
| self.exit_expression_editor() | |
| # Check that completion empty input in a function with only one | |
| # local variable works. | |
| self.expect( | |
| "breakpoint set -p 'break in single_local_func'", substrs=["Breakpoint 2"] | |
| ) | |
| self.expect("continue", substrs=["stop reason = breakpoint 2"]) | |
| self.start_expression_editor() | |
| self.child.send("\t") | |
| # Only one local, so this will directly insert 'only_local' with a | |
| # trailing space to signal a final completion. | |
| self.child.expect_exact("only_local ") | |
| self.exit_expression_editor() | |
| self.quit() |