forked from OSchip/llvm-project
115 lines
4.0 KiB
Python
115 lines
4.0 KiB
Python
"""Test the go expression parser/interpreter."""
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import os, time
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import unittest2
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class TestGoUserExpression(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@add_test_categories(['pyapi'])
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@skipIfRemote # Not remote test suit ready
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@skipUnlessGoInstalled
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def test_with_dsym_and_python_api(self):
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"""Test GoASTUserExpress."""
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self.buildGo()
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self.launchProcess()
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self.go_expressions()
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Find the line numbers to break inside main().
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self.main_source = "main.go"
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self.break_line = line_number(self.main_source, '// Set breakpoint here.')
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def check_builtin(self, name, size=0, typeclass=lldb.eTypeClassBuiltin):
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tl = self.target().FindTypes(name)
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self.assertEqual(1, len(tl))
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t = list(tl)[0]
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self.assertEqual(name, t.name)
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self.assertEqual(typeclass, t.type)
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if size > 0:
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self.assertEqual(size, t.size)
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def launchProcess(self):
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exe = os.path.join(os.getcwd(), "a.out")
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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bpt = target.BreakpointCreateByLocation(self.main_source, self.break_line)
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self.assertTrue(bpt, VALID_BREAKPOINT)
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# Now launch the process, and do not stop at entry point.
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process = target.LaunchSimple (None, None, self.get_process_working_directory())
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self.assertTrue(process, PROCESS_IS_VALID)
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# The stop reason of the thread should be breakpoint.
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thread_list = lldbutil.get_threads_stopped_at_breakpoint (process, bpt)
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# Make sure we stopped at the first breakpoint.
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self.assertTrue (len(thread_list) != 0, "No thread stopped at our breakpoint.")
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self.assertTrue (len(thread_list) == 1, "More than one thread stopped at our breakpoint.")
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frame = thread_list[0].GetFrameAtIndex(0)
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self.assertTrue (frame, "Got a valid frame 0 frame.")
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def go_expressions(self):
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frame = self.frame()
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v = frame.EvaluateExpression("1")
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self.assertEqual(1, v.GetValueAsSigned())
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x = frame.EvaluateExpression("x")
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self.assertEqual(22, x.GetValueAsSigned())
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a = frame.EvaluateExpression("a")
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self.assertEqual(3, a.GetNumChildren())
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a0 = a.GetChildAtIndex(0)
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self.assertEqual(8, a0.GetValueAsSigned())
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# Array indexing
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a0 = frame.EvaluateExpression("a[0]")
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self.assertEqual(8, a0.GetValueAsSigned())
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# Slice indexing
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b1 = frame.EvaluateExpression("b[1]")
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self.assertEqual(9, b1.GetValueAsSigned())
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# Test global in this package
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g = frame.EvaluateExpression("myGlobal")
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self.assertEqual(17, g.GetValueAsSigned(), str(g))
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# Global with package name
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g = frame.EvaluateExpression("main.myGlobal")
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self.assertEqual(17, g.GetValueAsSigned(), str(g))
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# Global with quoted package name
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g = frame.EvaluateExpression('"main".myGlobal')
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self.assertEqual(17, g.GetValueAsSigned(), str(g))
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# Casting with package local type
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s = frame.EvaluateExpression("*(*myStruct)(i.data)")
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sb = s.GetChildMemberWithName("a")
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self.assertEqual(2, sb.GetValueAsSigned())
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# casting with explicit package
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s = frame.EvaluateExpression("*(*main.myStruct)(i.data)")
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sb = s.GetChildMemberWithName("a")
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self.assertEqual(2, sb.GetValueAsSigned())
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# Casting quoted package
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s = frame.EvaluateExpression('*(*"main".myStruct)(i.data)')
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sb = s.GetChildMemberWithName("b")
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self.assertEqual(-1, sb.GetValueAsSigned())
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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