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| """Test that importing modules in C works as expected."""
from __future__ import print_function
import os
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class CModulesTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@skipIfFreeBSD
@expectedFailureAll(
oslist=["linux"],
bugnumber="http://llvm.org/pr23456 'fopen' has unknown return type")
@expectedFailureAll(
oslist=["windows"],
bugnumber="llvm.org/pr24489: Name lookup not working correctly on Windows")
@skipIf(macos_version=["<", "10.12"])
@expectedFailureNetBSD
def test_expr(self):
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break inside the foo function which takes a bar_ptr argument.
lldbutil.run_break_set_by_file_and_line(
self, "main.c", self.line, num_expected_locations=1, loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped',
'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
substrs=[' resolved, hit count = 1'])
# Enable logging of the imported AST.
log_file = os.path.join(self.getBuildDir(), "lldb-ast-log.txt")
self.runCmd("log enable lldb ast -f '%s'" % log_file)
self.expect(
"expr -l objc++ -- @import Darwin; 3",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=[
"int",
"3"])
# This expr command imports __sFILE with definition
# (FILE is a typedef to __sFILE.)
self.expect(
"expr *fopen(\"/dev/zero\", \"w\")",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=[
"FILE",
"_close"])
# Check that the AST log contains exactly one definition of __sFILE.
f = open(log_file)
log_lines = f.readlines()
f.close()
os.remove(log_file)
self.assertEqual(" ".join(log_lines).count("struct __sFILE definition"),
1)
self.expect("expr *myFile", VARIABLES_DISPLAYED_CORRECTLY,
substrs=["a", "5", "b", "9"])
self.expect(
"expr MIN((uint64_t)2, (uint64_t)3)",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=[
"uint64_t",
"2"])
self.expect("expr stdin", VARIABLES_DISPLAYED_CORRECTLY,
substrs=["(FILE *)", "0x"])
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break inside main().
self.line = line_number('main.c', '// Set breakpoint 0 here.')
|