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"""
Test the 'memory find' command.
"""
import lldb
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
from lldbsuite.test.decorators import *
class MemoryFindTestCase(TestBase):
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break inside main().
self.line = line_number("main.cpp", "// break here")
def test_memory_find(self):
"""Test the 'memory find' command."""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break in main() after the variables are assigned values.
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"],
)
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
# Test the memory find commands.
# Empty search string should be handled.
self.expect(
'memory find -s "" `stringdata` `stringdata+16`',
error=True,
substrs=["error: search string must have non-zero length."],
)
self.expect(
'memory find -s "in const" `stringdata` `stringdata+(int)strlen(stringdata)`',
substrs=["data found at location: 0x", "69 6e 20 63", "in const"],
)
# Invalid expr is an error.
self.expect(
'memory find -e "not_a_symbol" `&bytedata[0]` `&bytedata[15]`',
substrs=[
"Expression evaluation failed:",
"use of undeclared identifier 'not_a_symbol'",
],
error=True,
)
self.expect(
'memory find -e "" `&bytedata[0]` `&bytedata[2]`',
substrs=[
"Expression evaluation failed:",
"No result returned from expression. Exit status: 1",
],
error=True,
)
# Valid expressions/strings
self.expect(
'memory find -e "(uint8_t)0x22" `&bytedata[0]` `&bytedata[15]`',
substrs=["data found at location: 0x", "22 33 44 55 66"],
)
self.expect(
'memory find -e "(uint8_t)0x22" `&bytedata[0]` `&bytedata[2]`',
substrs=["data not found within the range."],
)
self.expect(
'memory find -s "nothere" `stringdata` `stringdata+5`',
substrs=["data not found within the range."],
)
self.expect(
'memory find -s "nothere" `stringdata` `stringdata+10`',
substrs=["data not found within the range."],
)
# Expression results with unsupported result types.
self.expect(
'memory find -e "ThreeBytes{}" `&bytedata[0]` `&bytedata[2]`',
substrs=[
"Only expressions resulting in 1, 2, 4, or 8-byte-sized values are supported"
],
error=True,
)
self.expect(
'memory find -e "FiveBytes{}" `&bytedata[0]` `&bytedata[2]`',
substrs=[
"Only expressions resulting in 1, 2, 4, or 8-byte-sized values are supported"
],
error=True,
)
self.expect(
'memory find -e "SixBytes{}" `&bytedata[0]` `&bytedata[2]`',
substrs=[
"Only expressions resulting in 1, 2, 4, or 8-byte-sized values are supported"
],
error=True,
)
self.expect(
'memory find -e "SevenBytes{}" `&bytedata[0]` `&bytedata[2]`',
substrs=[
"Only expressions resulting in 1, 2, 4, or 8-byte-sized values are supported"
],
error=True,
)
self.expect(
'memory find -e "NineBytes{}" `&bytedata[0]` `&bytedata[2]`',
substrs=[
"Only expressions resulting in 1, 2, 4, or 8-byte-sized values are supported"
],
error=True,
)
|
