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"""
Test lldb data formatter subsystem.
"""
import lldb
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
class ScriptDataFormatterTestCase(TestBase):
def test_with_run_command(self):
"""Test data formatter commands."""
self.build()
self.data_formatter_commands()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break at.
self.line = line_number("main.cpp", "// Set break point at this line.")
def data_formatter_commands(self):
"""Test that that file and class static variables display correctly."""
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True
)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stopped", "stop reason = breakpoint"],
)
# This is the function to remove the custom formats in order to have a
# clean slate for the next test case.
def cleanup():
self.runCmd("type format clear", check=False)
self.runCmd("type summary clear", check=False)
# Execute the cleanup function during test case tear down.
self.addTearDownHook(cleanup)
# Set the script here to ease the formatting
script = "a = valobj.GetChildMemberWithName('integer'); a_val = a.GetValue(); str = 'Hello from Python, ' + a_val + ' time'; return str + ('!' if a_val == '1' else 's!');"
self.runCmd('type summary add i_am_cool --python-script "%s"' % script)
self.expect("type summary list i_am_cool", substrs=[script])
self.expect("frame variable one", substrs=["Hello from Python", "1 time!"])
self.expect("frame variable two", substrs=["Hello from Python", "4 times!"])
self.runCmd("n") # skip ahead to make values change
self.expect(
"frame variable three",
substrs=["Hello from Python, 10 times!", "Hello from Python, 4 times!"],
)
self.runCmd("n") # skip ahead to make values change
self.expect("frame variable two", substrs=["Hello from Python", "1 time!"])
script = "a = valobj.GetChildMemberWithName('integer'); a_val = a.GetValue(); str = 'int says ' + a_val; return str;"
# Check that changes in the script are immediately reflected
self.runCmd('type summary add i_am_cool --python-script "%s"' % script)
self.expect("frame variable two", substrs=["int says 1"])
self.expect("frame variable twoptr", substrs=["int says 1"])
# Change the summary
self.runCmd(
'type summary add --summary-string "int says ${var.integer}, and float says ${var.floating}" i_am_cool'
)
self.expect("frame variable two", substrs=["int says 1", "and float says 2.71"])
# Try it for pointers
self.expect(
"frame variable twoptr", substrs=["int says 1", "and float says 2.71"]
)
# Force a failure for pointers
self.runCmd('type summary add i_am_cool -p --python-script "%s"' % script)
self.expect(
"frame variable twoptr", matching=False, substrs=["and float says 2.71"]
)
script = "return 'Python summary'"
self.runCmd(
'type summary add --name test_summary --python-script "%s"' % script
)
# attach the Python named summary to someone
self.expect(
"frame variable one --summary test_summary", substrs=["Python summary"]
)
# should not bind to the type
self.expect("frame variable two", matching=False, substrs=["Python summary"])
# and should not stick to the variable
self.expect("frame variable one", matching=False, substrs=["Python summary"])
self.runCmd('type summary add i_am_cool --summary-string "Text summary"')
# should be temporary only
self.expect("frame variable one", matching=False, substrs=["Python summary"])
# use the type summary
self.expect("frame variable two", substrs=["Text summary"])
self.runCmd("n") # skip ahead to make values change
# both should use the type summary now
self.expect("frame variable one", substrs=["Text summary"])
self.expect("frame variable two", substrs=["Text summary"])
# disable type summary for pointers, and make a Python regex summary
self.runCmd('type summary add i_am_cool -p --summary-string "Text summary"')
self.runCmd('type summary add -x cool --python-script "%s"' % script)
# variables should stick to the type summary
self.expect("frame variable one", substrs=["Text summary"])
self.expect("frame variable two", substrs=["Text summary"])
# array and pointer should match the Python one
self.expect("frame variable twoptr", substrs=["Python summary"])
self.expect("frame variable array", substrs=["Python summary"])
# return pointers to the type summary
self.runCmd('type summary add i_am_cool --summary-string "Text summary"')
self.expect("frame variable one", substrs=["Text summary"])
self.expect("frame variable two", substrs=["Text summary"])
self.expect("frame variable twoptr", substrs=["Text summary"])
self.expect("frame variable array", substrs=["Python summary"])
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