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Diffstat (limited to 'packages/Python/lldbsuite/test/lang/c/array_types/TestArrayTypes.py')
| -rw-r--r-- | packages/Python/lldbsuite/test/lang/c/array_types/TestArrayTypes.py | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/lang/c/array_types/TestArrayTypes.py b/packages/Python/lldbsuite/test/lang/c/array_types/TestArrayTypes.py new file mode 100644 index 000000000000..e835fb096496 --- /dev/null +++ b/packages/Python/lldbsuite/test/lang/c/array_types/TestArrayTypes.py @@ -0,0 +1,198 @@ +"""Test breakpoint by file/line number; and list variables with array types.""" + +from __future__ import print_function + + + +import os, time +import lldb +from lldbsuite.test.lldbtest import * +import lldbsuite.test.lldbutil as lldbutil + +class ArrayTypesTestCase(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + 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 break point at this line.') + + def test_and_run_command(self): + """Test 'frame variable var_name' on some variables with array types.""" + self.build() + exe = os.path.join(os.getcwd(), "a.out") + self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) + + lldbutil.run_break_set_by_file_and_line (self, "main.c", self.line, num_expected_locations=1, loc_exact=False) + + self.runCmd("run", RUN_SUCCEEDED) + + # The test suite sometimes shows that the process has exited without stopping. + # + # CC=clang ./dotest.py -v -t array_types + # ... + # Process 76604 exited with status = 0 (0x00000000) + self.runCmd("process status") + + # 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']) + + # Issue 'variable list' command on several array-type variables. + + self.expect("frame variable --show-types strings", VARIABLES_DISPLAYED_CORRECTLY, + startstr = '(char *[4])', + substrs = ['(char *) [0]', + '(char *) [1]', + '(char *) [2]', + '(char *) [3]', + 'Hello', + 'Hola', + 'Bonjour', + 'Guten Tag']) + + self.expect("frame variable --show-types --raw -- char_16", VARIABLES_DISPLAYED_CORRECTLY, + substrs = ['(char) [0]', + '(char) [15]']) + + self.expect("frame variable --show-types ushort_matrix", VARIABLES_DISPLAYED_CORRECTLY, + startstr = '(unsigned short [2][3])') + + self.expect("frame variable --show-types long_6", VARIABLES_DISPLAYED_CORRECTLY, + startstr = '(long [6])') + + @add_test_categories(['pyapi']) + def test_and_python_api(self): + """Use Python APIs to inspect variables with array types.""" + self.build() + exe = os.path.join(os.getcwd(), "a.out") + + target = self.dbg.CreateTarget(exe) + self.assertTrue(target, VALID_TARGET) + + breakpoint = target.BreakpointCreateByLocation("main.c", self.line) + self.assertTrue(breakpoint, VALID_BREAKPOINT) + + # Sanity check the print representation of breakpoint. + bp = str(breakpoint) + self.expect(bp, msg="Breakpoint looks good", exe=False, + substrs = ["file = 'main.c'", + "line = %d" % self.line, + "locations = 1"]) + self.expect(bp, msg="Breakpoint is not resolved as yet", exe=False, matching=False, + substrs = ["resolved = 1"]) + + # Now launch the process, and do not stop at entry point. + process = target.LaunchSimple (None, None, self.get_process_working_directory()) + self.assertTrue(process, PROCESS_IS_VALID) + + # Sanity check the print representation of process. + proc = str(process) + self.expect(proc, msg="Process looks good", exe=False, + substrs = ["state = stopped", + "executable = a.out"]) + + # The stop reason of the thread should be breakpoint. + thread = process.GetThreadAtIndex(0) + if thread.GetStopReason() != lldb.eStopReasonBreakpoint: + from lldbsuite.test.lldbutil import stop_reason_to_str + self.fail(STOPPED_DUE_TO_BREAKPOINT_WITH_STOP_REASON_AS % + stop_reason_to_str(thread.GetStopReason())) + + # Sanity check the print representation of thread. + thr = str(thread) + # TODO(zturner): Whether the TID is printed in hex or decimal should be controlled by a setting, + # and this test should read the value of the setting. This check is currently hardcoded to + # match the check in Core/FormatEntity.cpp in the function FormatEntity::Format() for + # the Entry::Type::ThreadID case of the switch statement. + if self.getPlatform() == "linux" or self.getPlatform() == "freebsd": + tidstr = "tid = %u" % thread.GetThreadID() + else: + tidstr = "tid = 0x%4.4x" % thread.GetThreadID() + self.expect(thr, "Thread looks good with stop reason = breakpoint", exe=False, + substrs = [tidstr]) + + # The breakpoint should have a hit count of 1. + self.assertTrue(breakpoint.GetHitCount() == 1, BREAKPOINT_HIT_ONCE) + + # The breakpoint should be resolved by now. + bp = str(breakpoint) + self.expect(bp, "Breakpoint looks good and is resolved", exe=False, + substrs = ["file = 'main.c'", + "line = %d" % self.line, + "locations = 1"]) + + # Sanity check the print representation of frame. + frame = thread.GetFrameAtIndex(0) + frm = str(frame) + self.expect(frm, + "Frame looks good with correct index %d" % frame.GetFrameID(), + exe=False, + substrs = ["#%d" % frame.GetFrameID()]) + + # Lookup the "strings" string array variable and sanity check its print + # representation. + variable = frame.FindVariable("strings") + var = str(variable) + self.expect(var, "Variable for 'strings' looks good with correct name", exe=False, + substrs = ["%s" % variable.GetName()]) + self.DebugSBValue(variable) + self.assertTrue(variable.GetNumChildren() == 4, + "Variable 'strings' should have 4 children") + + child3 = variable.GetChildAtIndex(3) + self.DebugSBValue(child3) + self.assertTrue(child3.GetSummary() == '"Guten Tag"', + 'strings[3] == "Guten Tag"') + + # Lookup the "char_16" char array variable. + variable = frame.FindVariable("char_16") + self.DebugSBValue(variable) + self.assertTrue(variable.GetNumChildren() == 16, + "Variable 'char_16' should have 16 children") + + # Lookup the "ushort_matrix" ushort[] array variable. + # Notice the pattern of int(child0_2.GetValue(), 0). We pass a + # base of 0 so that the proper radix is determined based on the contents + # of the string. Same applies to long(). + variable = frame.FindVariable("ushort_matrix") + self.DebugSBValue(variable) + self.assertTrue(variable.GetNumChildren() == 2, + "Variable 'ushort_matrix' should have 2 children") + child0 = variable.GetChildAtIndex(0) + self.DebugSBValue(child0) + self.assertTrue(child0.GetNumChildren() == 3, + "Variable 'ushort_matrix[0]' should have 3 children") + child0_2 = child0.GetChildAtIndex(2) + self.DebugSBValue(child0_2) + self.assertTrue(int(child0_2.GetValue(), 0) == 3, + "ushort_matrix[0][2] == 3") + + # Lookup the "long_6" char array variable. + variable = frame.FindVariable("long_6") + self.DebugSBValue(variable) + self.assertTrue(variable.GetNumChildren() == 6, + "Variable 'long_6' should have 6 children") + child5 = variable.GetChildAtIndex(5) + self.DebugSBValue(child5) + self.assertTrue(int(child5.GetValue(), 0) == 6, + "long_6[5] == 6") + + # Last, check that "long_6" has a value type of eValueTypeVariableLocal + # and "argc" has eValueTypeVariableArgument. + from lldbsuite.test.lldbutil import value_type_to_str + self.assertTrue(variable.GetValueType() == lldb.eValueTypeVariableLocal, + "Variable 'long_6' should have '%s' value type." % + value_type_to_str(lldb.eValueTypeVariableLocal)) + argc = frame.FindVariable("argc") + self.DebugSBValue(argc) + self.assertTrue(argc.GetValueType() == lldb.eValueTypeVariableArgument, + "Variable 'argc' should have '%s' value type." % + value_type_to_str(lldb.eValueTypeVariableArgument)) |