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"""
Test lldb data formatter subsystem.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class PrintArrayTestCase(TestBase):
def test_print_array(self):
"""Test that expr -Z works"""
self.build()
self.printarray_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", "break here")
def printarray_data_formatter_commands(self):
"""Test that expr -Z works"""
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)
self.runCmd("type synth clear", check=False)
# Execute the cleanup function during test case tear down.
self.addTearDownHook(cleanup)
self.expect(
"expr --element-count 3 -- data", substrs=["[0] = 1", "[1] = 3", "[2] = 5"]
)
self.expect("expr data", substrs=["int *", "$", "0x"])
self.expect(
"expr -f binary --element-count 0 -- data", substrs=["int *", "$", "0b"]
)
self.expect(
"expr -f hex --element-count 3 -- data",
substrs=["[0] = 0x", "1", "[1] = 0x", "3", "[2] = 0x", "5"],
)
self.expect(
"expr -f binary --element-count 2 -- data",
substrs=["int *", "$", "0x", "[0] = 0b", "1", "[1] = 0b", "11"],
)
self.expect("parray 3 data", substrs=["[0] = 1", "[1] = 3", "[2] = 5"])
self.expect(
"parray `1 + 1 + 1` data", substrs=["[0] = 1", "[1] = 3", "[2] = 5"]
)
self.expect("parray `data[1]` data", substrs=["[0] = 1", "[1] = 3", "[2] = 5"])
self.expect(
"parray/x 3 data",
substrs=["[0] = 0x", "1", "[1] = 0x", "3", "[2] = 0x", "5"],
)
self.expect(
"parray/x `data[1]` data",
substrs=["[0] = 0x", "1", "[1] = 0x", "3", "[2] = 0x", "5"],
)
# check error conditions
self.expect(
"expr --element-count 10 -- 123",
error=True,
substrs=[
"expression cannot be used with --element-count as it does not refer to a pointer"
],
)
self.expect(
"expr --element-count 10 -- (void*)123",
error=True,
substrs=[
"expression cannot be used with --element-count as it refers to a pointer to void"
],
)
self.expect("parray data", error=True, substrs=["invalid element count 'data'"])
self.expect(
"parray data data", error=True, substrs=["invalid element count 'data'"]
)
self.expect("parray", error=True, substrs=["Not enough arguments provided"])
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