| """ |
| 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() |
