86 lines · python
1"""Test that lldb can invoke blocks and access variables inside them"""2 3 4import lldb5from lldbsuite.test.lldbtest import *6from lldbsuite.test.decorators import *7import lldbsuite.test.lldbutil as lldbutil8 9 10class BlocksTestCase(TestBase):11 lines = []12 13 def setUp(self):14 # Call super's setUp().15 TestBase.setUp(self)16 # Find the line numbers to break at.17 self.lines.append(line_number("main.c", "// Set breakpoint 0 here."))18 self.lines.append(line_number("main.c", "// Set breakpoint 1 here."))19 self.lines.append(line_number("main.c", "// Set breakpoint 2 here."))20 21 def launch_common(self):22 self.build()23 exe = self.getBuildArtifact("a.out")24 self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)25 26 self.is_started = False27 28 # Break inside the foo function which takes a bar_ptr argument.29 for line in self.lines:30 lldbutil.run_break_set_by_file_and_line(31 self, "main.c", line, num_expected_locations=1, loc_exact=True32 )33 34 self.wait_for_breakpoint()35 36 @skipUnlessDarwin37 def test_expr(self):38 self.launch_common()39 40 self.expect("expression a + b", VARIABLES_DISPLAYED_CORRECTLY, substrs=["= 7"])41 42 self.expect("expression c", VARIABLES_DISPLAYED_CORRECTLY, substrs=["= 1"])43 44 self.wait_for_breakpoint()45 46 # This should display correctly.47 self.expect(48 "expression (int)neg (-12)", VARIABLES_DISPLAYED_CORRECTLY, substrs=["= 12"]49 )50 51 self.wait_for_breakpoint()52 53 self.expect_expr("h(cg)", result_type="int", result_value="42")54 55 @skipUnlessDarwin56 def test_define(self):57 self.launch_common()58 59 self.runCmd(60 "expression int (^$add)(int, int) = ^int(int a, int b) { return a + b; };"61 )62 self.expect(63 "expression $add(2,3)", VARIABLES_DISPLAYED_CORRECTLY, substrs=[" = 5"]64 )65 66 self.runCmd("expression int $a = 3")67 self.expect(68 "expression int (^$addA)(int) = ^int(int b) { return $a + b; };",69 "Proper error is reported on capture",70 error=True,71 )72 73 def wait_for_breakpoint(self):74 if not self.is_started:75 self.is_started = True76 self.runCmd("process launch", RUN_SUCCEEDED)77 else:78 self.runCmd("process continue", RUN_SUCCEEDED)79 80 # The stop reason of the thread should be breakpoint.81 self.expect(82 "thread list",83 STOPPED_DUE_TO_BREAKPOINT,84 substrs=["stopped", "stop reason = breakpoint"],85 )86