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"""
Test that the 'gui' displays long lines/names correctly without overruns.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test.lldbpexpect import PExpectTest
class GuiViewLargeCommandTest(PExpectTest):
# PExpect uses many timeouts internally and doesn't play well
# under ASAN on a loaded machine..
@skipIfAsan
@skipIfCursesSupportMissing
@skipIfRemote # "run" command will not work correctly for remote debug
@expectedFailureNetBSD
@skipIf(oslist=["linux"], archs=["arm", "aarch64"])
def test_gui(self):
self.build()
# Limit columns to 80, so that long lines will not be displayed completely.
self.launch(executable=self.getBuildArtifact("a.out"), dimensions=(100, 80))
self.expect(
'br set -f main.c -p "// Break here"', substrs=["Breakpoint 1", "address ="]
)
self.expect("run", substrs=["stop reason ="])
escape_key = chr(27).encode()
left_key = chr(27) + "OD" # for vt100 terminal (lldbexpect sets TERM=vt100)
right_key = chr(27) + "OC"
ctrl_l = chr(12)
# Start the GUI.
self.child.sendline("gui")
# Check the sources window.
self.child.expect_exact("Sources")
# The string is copy&pasted from a 80-columns terminal. It will be followed by some
# kind of an escape sequence (color, frame, etc.).
self.child.expect_exact(
"int a_variable_with_a_very_looooooooooooooooooooooooooo" + chr(27)
)
# The escape here checks that there's no content drawn by the previous line.
self.child.expect_exact("int shortvar = 1;" + chr(27))
# Check the triggered breakpoint marker on a long line.
self.child.expect_exact("<<< Thread 1: breakpoint 1.1" + chr(27))
# Check the variable window.
self.child.expect_exact("Variables")
self.child.expect_exact(
"(int) a_variable_with_a_very_looooooooooooooooooooooooooooooo" + chr(27)
)
self.child.expect_exact("(int) shortvar = 1" + chr(27))
# Scroll the sources view twice to the right.
self.child.send(right_key)
self.child.send(right_key)
# Force a redraw, otherwise curses will optimize the drawing to not draw all 'o'.
self.child.send(ctrl_l)
# The source code is indented by two spaces, so there'll be just two extra 'o' on the right.
self.child.expect_exact(
"int a_variable_with_a_very_looooooooooooooooooooooooooooo" + chr(27)
)
# And scroll back to the left.
self.child.send(left_key)
self.child.send(left_key)
self.child.send(ctrl_l)
self.child.expect_exact(
"int a_variable_with_a_very_looooooooooooooooooooooooooo" + chr(27)
)
# Press escape to quit the gui
self.child.send(escape_key)
self.expect_prompt()
self.quit()
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