"""
Test that the lldb editline handling is configured correctly.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
from lldbsuite.test.lldbpexpect import PExpectTest
class EditlineTest(PExpectTest):
@skipIfAsan
@skipIfEditlineSupportMissing
@skipIf(oslist=["linux"], archs=["arm", "aarch64"])
def test_left_right_arrow(self):
"""Test that ctrl+left/right arrow navigates words correctly.
Note: just sending escape characters to pexpect and checking the buffer
doesn't work well, so we run real commands. We want to type
"help command" while exercising word-navigation, so type it as below,
where [] indicates cursor position.
1. Send "el rint" -> "el rint[]"
2. Ctrl+left once -> "el []rint"
3. Send "p" -> "el p[]rint"
4. Ctrl+left twice -> "[]el print"
5. Send "h" -> "h[]el print"
6. Ctrl+right -> "hel[] print"
7. Send "p" -> "help print"
"""
self.launch()
escape_pairs = [
("\x1b[1;5D", "\x1b[1;5C"),
("\x1b[5D", "\x1b[5C"),
("\x1b\x1b[D", "\x1b\x1b[C"),
]
for l_escape, r_escape in escape_pairs:
self.expect(
"el rint{L}p{L}{L}h{R}p".format(L=l_escape, R=r_escape),
substrs=["Syntax: print"],
)
self.quit()
@skipIfAsan
@skipIfEditlineSupportMissing
@skipIfEditlineWideCharSupportMissing
def test_prompt_unicode(self):
"""Test that we can use Unicode in the LLDB prompt."""
self.launch(use_colors=True, encoding="utf-8")
self.child.send('settings set prompt "🐛 "\n')
# Check that the cursor is at position 4 ([4G)
# Prompt: 🐛 _
# Column: 1..4
self.child.expect(re.escape("🐛 \x1b[0m\x1b[4G"))
@skipIfAsan
@skipIfEditlineSupportMissing
def test_prompt_color(self):
"""Test that we can change the prompt color with prompt-ansi-prefix."""
self.launch(use_colors=True)
self.child.send('settings set prompt-ansi-prefix "${ansi.fg.red}"\n')
# Make sure this change is reflected immediately. Check that the color
# is set (31) and the cursor position (8) is correct.
# Prompt: (lldb) _
# Column: 1....6.8
self.child.expect(re.escape("\x1b[31m(lldb) \x1b[0m\x1b[8G"))
@skipIfAsan
@skipIfEditlineSupportMissing
def test_prompt_no_color(self):
"""Test that prompt-ansi-prefix doesn't color the prompt when colors are off."""
self.launch(use_colors=False)
self.child.send('settings set prompt-ansi-prefix "${ansi.fg.red}"\n')
# Send foo so we can match the newline before the prompt and the foo
# after the prompt.
self.child.send("foo")
# Check that there are no escape codes.
self.child.expect(re.escape("\n(lldb) foo"))
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