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"""
Test more expression command sequences with objective-c.
"""
from __future__ import print_function
import os
import time
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
@skipUnlessDarwin
class FoundationTestCase2(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line numbers to break at.
self.lines = []
self.lines.append(
line_number(
'main.m',
'// Break here for selector: tests'))
self.lines.append(
line_number(
'main.m',
'// Break here for NSArray tests'))
self.lines.append(
line_number(
'main.m',
'// Break here for NSString tests'))
self.lines.append(
line_number(
'main.m',
'// Break here for description test'))
self.lines.append(
line_number(
'main.m',
'// Set break point at this line'))
def test_more_expr_commands(self):
"""More expression commands for objective-c."""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Create a bunch of breakpoints.
for line in self.lines:
lldbutil.run_break_set_by_file_and_line(
self, "main.m", line, num_expected_locations=1, loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# Test_Selector:
self.runCmd("thread backtrace")
self.expect("expression (char *)sel_getName(sel)",
substrs=["(char *)",
"length"])
self.runCmd("process continue")
# Test_NSArray:
self.runCmd("thread backtrace")
self.runCmd("process continue")
# Test_NSString:
self.runCmd("thread backtrace")
self.runCmd("process continue")
# Test_MyString:
self.runCmd("thread backtrace")
self.expect("expression (char *)sel_getName(_cmd)",
substrs=["(char *)",
"description"])
self.runCmd("process continue")
def test_NSArray_expr_commands(self):
"""Test expression commands for NSArray."""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break inside Test_NSArray:
line = self.lines[1]
lldbutil.run_break_set_by_file_and_line(
self, "main.m", line, num_expected_locations=1, loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# Test_NSArray:
self.runCmd("thread backtrace")
self.expect("expression (int)[nil_mutable_array count]",
patterns=["\(int\) \$.* = 0"])
self.expect("expression (int)[array1 count]",
patterns=["\(int\) \$.* = 3"])
self.expect("expression (int)[array2 count]",
patterns=["\(int\) \$.* = 3"])
self.expect("expression (int)array1.count",
patterns=["\(int\) \$.* = 3"])
self.expect("expression (int)array2.count",
patterns=["\(int\) \$.* = 3"])
self.runCmd("process continue")
def test_NSString_expr_commands(self):
"""Test expression commands for NSString."""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break inside Test_NSString:
line = self.lines[2]
lldbutil.run_break_set_by_file_and_line(
self, "main.m", line, num_expected_locations=1, loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# Test_NSString:
self.runCmd("thread backtrace")
self.expect("expression (int)[str length]",
patterns=["\(int\) \$.* ="])
self.expect("expression (int)[str_id length]",
patterns=["\(int\) \$.* ="])
self.expect("expression (id)[str description]",
patterns=["\(id\) \$.* = 0x"])
self.expect("expression (id)[str_id description]",
patterns=["\(id\) \$.* = 0x"])
self.expect("expression str.length")
self.expect('expression str = @"new"')
self.runCmd("image lookup -t NSString")
self.expect('expression str = (id)[NSString stringWithCString: "new"]')
self.runCmd("process continue")
@expectedFailureAll(archs=["i[3-6]86"], bugnumber="<rdar://problem/28814052>")
def test_MyString_dump_with_runtime(self):
"""Test dump of a known Objective-C object by dereferencing it."""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
line = self.lines[4]
lldbutil.run_break_set_by_file_and_line(
self, "main.m", line, num_expected_locations=1, loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
self.expect(
"expression --show-types -- *my",
patterns=[
"\(MyString\) \$.* = ",
"\(MyBase\)"])
self.runCmd("process continue")
@expectedFailureAll(archs=["i[3-6]86"], bugnumber="<rdar://problem/28814052>")
def test_runtime_types(self):
"""Test commands that require runtime types"""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break inside Test_NSString:
line = self.lines[2]
lldbutil.run_break_set_by_source_regexp(
self, "NSString tests")
self.runCmd("run", RUN_SUCCEEDED)
# Test_NSString:
self.runCmd("thread backtrace")
self.expect("expression [str length]",
patterns=["\(NSUInteger\) \$.* ="])
self.expect("expression str.length")
self.expect('expression str = [NSString stringWithCString: "new"]')
self.expect(
'po [NSError errorWithDomain:@"Hello" code:35 userInfo:@{@"NSDescription" : @"be completed."}]',
substrs=[
"Error Domain=Hello",
"Code=35",
"be completed."])
self.runCmd("process continue")
@expectedFailureAll(archs=["i[3-6]86"], bugnumber="<rdar://problem/28814052>")
def test_NSError_p(self):
"""Test that p of the result of an unknown method does require a cast."""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
line = self.lines[4]
lldbutil.run_break_set_by_file_and_line(
self, "main.m", line, num_expected_locations=1, loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
self.expect("p [NSError thisMethodIsntImplemented:0]", error=True, patterns=[
"no known method", "cast the message send to the method's return type"])
self.runCmd("process continue")
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