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"""Test that importing modules in C works as expected."""
import os
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class CModulesTestCase(TestBase):
@expectedFailureAll(
oslist=["freebsd", "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
@expectedFailureAll(setting=('plugin.typesystem.clang.experimental-redecl-completion', 'true'))
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.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
# Enable logging of the imported AST.
log_file = self.getBuildArtifact("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.")
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