llvm/lldb/test/API/lang/objc/foundation/TestObjCMethodsNSError.py

"""
Test more expression command sequences with objective-c.
"""


import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil


class FoundationTestCaseNSError(TestBase):
    @expectedFailureAll(archs=["i[3-6]86"], bugnumber="<rdar://problem/28814052>")
    def test_runtime_types(self):
        """Test commands that require runtime types"""
        self.build()
        self.target, process, thread, bkpt = lldbutil.run_to_source_breakpoint(
            self, "// Break here for NSString tests", lldb.SBFileSpec("main.m", False)
        )

        # 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()
        self.target, process, thread, bkpt = lldbutil.run_to_source_breakpoint(
            self, "// Set break point at this line", lldb.SBFileSpec("main.m", False)
        )
        self.expect(
            "expression [NSError thisMethodIsntImplemented:0]",
            error=True,
            patterns=[
                "no known method",
                "cast the message send to the method's return type",
            ],
        )
        self.runCmd("process continue")