src/llvm-project/lldb/test/API/lang/objc/modules-hash-mismatch/TestClangModulesHashMismatch.py

import os
import shutil

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


class TestClangModuleHashMismatch(TestBase):
    @add_test_categories(["gmodules"])
    def test_expr(self):
        with open(self.getBuildArtifact("module.modulemap"), "w") as f:
            f.write(
                """
                    module Foo { header "f.h" }
                    """
            )
        with open(self.getBuildArtifact("f.h"), "w") as f:
            f.write(
                """
                    typedef int my_int;
                    void f() {}
                    """
            )

        mod_cache = self.getBuildArtifact("private-module-cache")
        if os.path.isdir(mod_cache):
            shutil.rmtree(mod_cache)
        self.build()
        self.assertTrue(os.path.isdir(mod_cache), "module cache exists")

        logfile = self.getBuildArtifact("host.log")
        with open(logfile, "w") as f:
            sbf = lldb.SBFile(f.fileno(), "w", False)
            status = self.dbg.SetErrorFile(sbf)
            self.assertSuccess(status)

            target, _, _, _ = lldbutil.run_to_source_breakpoint(
                self, "break here", lldb.SBFileSpec("main.m")
            )
            target.GetModuleAtIndex(0).FindTypes("my_int")

        with open(logfile, "r") as f:
            for line in f:
                if "hash mismatch" in line and "Foo" in line:
                    found = True
        self.assertTrue(found)