lldb/test/API/lang/objc/foundation/TestObjCMethodsString.py

   1 """
   2 Test more expression command sequences with objective-c.
   3 """
   4
   5
   6 import lldb
   7 from lldbsuite.test.decorators import *
   8 from lldbsuite.test.lldbtest import *
   9 from lldbsuite.test import lldbutil
  10
  11
  12 class FoundationTestCaseString(TestBase):
  13     def test_NSString_expr_commands(self):
  14         """Test expression commands for NSString."""
  15         self.build()
  16         self.target, process, thread, bkpt = lldbutil.run_to_source_breakpoint(
  17             self, "// Break here for NSString tests", lldb.SBFileSpec("main.m", False)
  18         )
  19
  20         self.runCmd("settings set target.prefer-dynamic-value no-dynamic-values")
  21
  22         # Test_NSString:
  23         self.runCmd("thread backtrace")
  24         self.expect("expression (int)[str length]", patterns=["\(int\) \$.* ="])
  25         self.expect("expression (int)[str_id length]", patterns=["\(int\) \$.* ="])
  26         self.expect("expression (id)[str description]", patterns=["\(id\) \$.* = 0x"])
  27         self.expect(
  28             "expression (id)[str_id description]", patterns=["\(id\) \$.* = 0x"]
  29         )
  30         self.expect("expression str.length")
  31         self.expect('expression str = @"new"')
  32         self.runCmd("image lookup -t NSString")
  33         self.expect('expression str = (id)[NSString stringWithCString: "new"]')
  34         self.runCmd("process continue")
  35
  36     @expectedFailureAll(archs=["i[3-6]86"], bugnumber="<rdar://problem/28814052>")
  37     def test_MyString_dump_with_runtime(self):
  38         """Test dump of a known Objective-C object by dereferencing it."""
  39         self.build()
  40         self.target, process, thread, bkpt = lldbutil.run_to_source_breakpoint(
  41             self, "// Set break point at this line", lldb.SBFileSpec("main.m", False)
  42         )
  43         self.expect(
  44             "expression --show-types -- *my",
  45             patterns=["\(MyString\) \$.* = ", "\(MyBase\)"],
  46         )
  47         self.runCmd("process continue")