| """ |
| Test that the 'gui' console output pane displays stdout / stderr from the debugged process |
| """ |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test.lldbpexpect import PExpectTest |
| |
| |
| class TestGuiConsoleOutputTest(PExpectTest): |
| # PExpect uses many timeouts internally and doesn't play well |
| # under ASAN on a loaded machine.. |
| @skipIfAsan |
| @skipIfCursesSupportMissing |
| def test_gui_console_output(self): |
| """Test that console pane prints messages""" |
| self.build() |
| |
| self.launch( |
| executable=self.getBuildArtifact("a.out"), |
| dimensions=(100, 500), |
| run_under=["env", "TERM=xterm"], |
| ) |
| |
| self.expect( |
| 'br set -o true -f main.cpp -p "// break here begin"', |
| substrs=["Breakpoint 1", "address ="], |
| ) |
| |
| # Intermediate breakpoint after stdout/stderr output but before large |
| # output. This ensures those lines are visible in the console window |
| # (only 6 lines exist) when the process pauses. |
| self.expect( |
| 'br set -o true -f main.cpp -p "// break here middle"', |
| substrs=["Breakpoint 2", "address ="], |
| ) |
| |
| self.expect( |
| 'br set -o true -f main.cpp -p "// break here end"', |
| substrs=["Breakpoint 3", "address ="], |
| ) |
| |
| self.expect("run", substrs=["stop reason ="]) |
| |
| escape_key = chr(27).encode() |
| |
| # Start the GUI. |
| self.child.sendline("gui") |
| |
| # Check for gui elements in Menu bar (top of screen) |
| self.child.expect_exact("Target") |
| self.child.expect_exact("Process") |
| self.child.expect_exact("View") |
| |
| # Check for window titles (middle of screen) |
| self.child.expect_exact("Sources") |
| self.child.expect_exact("Console") |
| |
| # The Console window shows this message before any output. |
| self.child.expect_exact("(no output yet)") |
| |
| # Continue to the intermediate breakpoint (after generate_output()). |
| self.child.send("c") |
| |
| # The GUI draws the Threads pane (which shows "stop reason") BEFORE |
| # the Console pane in the byte stream. Check stop reason first so it |
| # is not skipped over when scanning for the console text below. |
| self.child.expect_exact("stop reason") |
| |
| # The console pane is drawn after the threads pane in the same redraw |
| # cycle, so these lines appear later in the byte stream. |
| # Only 6 lines of output exist at this stop, so all are visible. |
| self.child.expect_exact("Hello from stdout line 1") |
| self.child.expect_exact("Hello from stderr line 3") |
| |
| # Continue past the large output to the final breakpoint. |
| self.child.send("c") |
| |
| # Again check stop reason before console output for the same reason. |
| self.child.expect_exact("stop reason") |
| |
| # Large output lines near the end are guaranteed visible in the |
| # auto-scrolled console window. |
| self.child.expect_exact("Large output line 99") |
| |
| # Press escape to quit the gui |
| self.child.send(escape_key) |
| |
| self.expect_prompt() |
| self.quit() |
| |
| @skipIfAsan |
| @skipIfCursesSupportMissing |
| def test_gui_console_navigate(self): |
| """Test that console pane navigation works""" |
| self.build() |
| |
| self.launch( |
| executable=self.getBuildArtifact("a.out"), |
| dimensions=(100, 500), |
| run_under=["env", "TERM=xterm"], |
| ) |
| |
| self.expect( |
| 'br set -o true -f main.cpp -p "// break here begin"', |
| substrs=["Breakpoint 1", "address ="], |
| ) |
| |
| # Intermediate breakpoint after stdout/stderr, before large output. |
| self.expect( |
| 'br set -o true -f main.cpp -p "// break here middle"', |
| substrs=["Breakpoint 2", "address ="], |
| ) |
| |
| self.expect( |
| 'br set -o true -f main.cpp -p "// break here end"', |
| substrs=["Breakpoint 3", "address ="], |
| ) |
| |
| self.expect("run", substrs=["stop reason ="]) |
| |
| escape_key = chr(27).encode() |
| tab_key = chr(9).encode() |
| |
| # Start the GUI. |
| self.child.sendline("gui") |
| |
| # Match elements in top-to-bottom order |
| self.child.expect_exact("Target") |
| self.child.expect_exact("Sources") |
| self.child.expect_exact("Console") |
| |
| # The Console window shows this message before any output. |
| self.child.expect_exact("(no output yet)") |
| |
| # Continue to the intermediate breakpoint (after generate_output()). |
| self.child.send("c") |
| |
| # Threads pane ("stop reason") is drawn before the Console pane, so |
| # check it first to avoid consuming it while scanning for console text. |
| self.child.expect_exact("stop reason") |
| |
| # Check that stdout output is visible (only 6 lines at this stop). |
| self.child.expect_exact("Hello from stdout line 1") |
| |
| # Tab to console window (Sources -> Threads -> Variables -> Console) |
| self.child.send(tab_key) |
| self.child.send(tab_key) |
| self.child.send(tab_key) |
| |
| # Clear Console output ('c' in the Console window clears output) |
| self.child.send("c") |
| |
| # The Console window shows this message after clear |
| self.child.expect_exact("(no output yet)") |
| |
| # Press escape to quit the gui |
| self.child.send(escape_key) |
| |
| self.expect_prompt() |
| self.quit() |
