xref: /llvm-project/lldb/test/API/lang/objc/foundation/TestObjCMethodsString.py (revision 2238dcc39358353cac21df75c3c3286ab20b8f53)
1"""
2Test more expression command sequences with objective-c.
3"""
4
5
6import lldb
7from lldbsuite.test.decorators import *
8from lldbsuite.test.lldbtest import *
9from lldbsuite.test import lldbutil
10
11
12class 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")
48