"""
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 FoundationTestCase2(TestBase):
    NO_DEBUG_INFO_TESTCASE = True

    def test_expr_commands(self):
        """More expression commands for objective-c."""
        self.build()
        exe = self.getBuildArtifact("a.out")
        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)

        lines = []
        lines.append(line_number("main.m", "// Break here for selector: tests"))
        lines.append(line_number("main.m", "// Break here for NSArray tests"))
        lines.append(line_number("main.m", "// Break here for NSString tests"))
        lines.append(line_number("main.m", "// Break here for description test"))
        lines.append(line_number("main.m", "// Set break point at this line"))

        # Create a bunch of breakpoints.
        for line in 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")