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"""
Test more expression command sequences with objective-c.
"""
import os, time
import unittest2
import lldb
from lldbtest import *
import lldbutil
@skipUnlessDarwin
class FoundationTestCase2(TestBase):
mydir = TestBase.compute_mydir(__file__)
@dsym_test
def test_more_expr_commands_with_dsym(self):
"""More expression commands for objective-c."""
self.buildDsym()
self.more_expr_objc()
@dwarf_test
def test_more_expr_commands_with_dwarf(self):
"""More expression commands for objective-c."""
self.buildDwarf()
self.more_expr_objc()
@dsym_test
def test_NSArray_expr_commands_with_dsym(self):
"""Test expression commands for NSArray."""
self.buildDsym()
self.NSArray_expr()
@dwarf_test
def test_NSArray_expr_commands_with_dwarf(self):
"""Test expression commands for NSArray."""
self.buildDwarf()
self.NSArray_expr()
@dsym_test
def test_NSString_expr_commands_with_dsym(self):
"""Test expression commands for NSString."""
self.buildDsym()
self.NSString_expr()
@dwarf_test
def test_NSString_expr_commands_with_dwarf(self):
"""Test expression commands for NSString."""
self.buildDwarf()
self.NSString_expr()
@dsym_test
def test_MyString_dump_with_dsym(self):
"""Test dump of a known Objective-C object by dereferencing it."""
self.buildDsym()
self.MyString_dump()
@dwarf_test
def test_MyString_dump_with_dwarf(self):
"""Test dump of a known Objective-C object by dereferencing it."""
self.buildDwarf()
self.MyString_dump()
@expectedFailurei386
@dsym_test
def test_NSError_po_with_dsym(self):
"""Test that po of the result of an unknown method doesn't require a cast."""
self.buildDsym()
self.NSError_po()
@expectedFailurei386
@dwarf_test
def test_NSError_po_with_dwarf(self):
"""Test that po of the result of an unknown method doesn't require a cast."""
self.buildDsym()
self.NSError_po()
@dsym_test
def test_NSError_p_with_dsym(self):
"""Test that p of the result of an unknown method does require a cast."""
self.buildDsym()
self.NSError_p()
@dwarf_test
def test_NSError_p_with_dwarf(self):
"""Test that p of the result of an unknown method does require a cast."""
self.buildDsym()
self.NSError_p()
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 more_expr_objc(self):
"""More expression commands for objective-c."""
exe = os.path.join(os.getcwd(), "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_FAILED)
# 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 NSArray_expr(self):
"""Test expression commands for NSArray."""
exe = os.path.join(os.getcwd(), "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_FAILED)
# 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 NSString_expr(self):
"""Test expression commands for NSString."""
exe = os.path.join(os.getcwd(), "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_FAILED)
# 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 [str description]",
patterns = ["\(id\) \$.* = 0x"])
self.expect("expression (id)[str_id description]",
patterns = ["\(id\) \$.* = 0x"])
self.expect("expression str.length")
self.expect("expression str.description")
self.expect('expression str = @"new"')
self.runCmd("image lookup -t NSString")
self.expect('expression str = [NSString stringWithCString: "new"]')
self.runCmd("process continue")
def MyString_dump(self):
"""Test dump of a known Objective-C object by dereferencing it."""
exe = os.path.join(os.getcwd(), "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_FAILED)
self.expect("expression --show-types -- *my",
patterns = ["\(MyString\) \$.* = ", "\(MyBase\)", "\(NSObject\)", "\(Class\)"])
self.runCmd("process continue")
def NSError_po(self):
"""Test that po of the result of an unknown method doesn't require a cast."""
exe = os.path.join(os.getcwd(), "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_FAILED)
self.expect("po [NSError errorWithDomain:@\"Hello\" code:35 userInfo:nil]",
substrs = ["Error Domain=Hello", "Code=35", "be completed."])
self.runCmd("process continue")
def NSError_p(self):
"""Test that p of the result of an unknown method does require a cast."""
exe = os.path.join(os.getcwd(), "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_FAILED)
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")
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
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