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6f38342af1
Test fails in about 1% of buildbot runs. Marking as flaky to avoid the noise. llvm-svn: 256835
191 lines
7.1 KiB
Python
191 lines
7.1 KiB
Python
"""
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Test lldb-mi -gdb-set and -gdb-show commands.
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"""
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from __future__ import print_function
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import unittest2
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import lldbmi_testcase
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from lldbsuite.test.lldbtest import *
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class MiGdbSetShowTestCase(lldbmi_testcase.MiTestCaseBase):
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mydir = TestBase.compute_mydir(__file__)
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@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
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@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
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def test_lldbmi_gdb_set_target_async_default(self):
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"""Test that 'lldb-mi --interpreter' switches to async mode by default."""
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self.spawnLldbMi(args = None)
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# Switch to sync mode
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self.runCmd("-gdb-set target-async off")
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self.expect("\^done")
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self.runCmd("-gdb-show target-async")
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self.expect("\^done,value=\"off\"")
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# Test that -gdb-set switches to async by default
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self.runCmd("-gdb-set target-async")
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self.expect("\^done")
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self.runCmd("-gdb-show target-async")
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self.expect("\^done,value=\"on\"")
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@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
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@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
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@expectedFlakeyLinux("llvm.org/pr26028") # Fails in ~1% of cases
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def test_lldbmi_gdb_set_target_async_on(self):
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"""Test that 'lldb-mi --interpreter' can execute commands in async mode."""
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self.spawnLldbMi(args = None)
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# Switch to sync mode
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self.runCmd("-gdb-set target-async off")
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self.expect("\^done")
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self.runCmd("-gdb-show target-async")
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self.expect("\^done,value=\"off\"")
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# Test that -gdb-set can switch to async mode
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self.runCmd("-gdb-set target-async on")
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self.expect("\^done")
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self.runCmd("-gdb-show target-async")
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self.expect("\^done,value=\"on\"")
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# Load executable
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self.runCmd("-file-exec-and-symbols %s" % self.myexe)
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self.expect("\^done")
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# Test that program is executed in async mode
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self.runCmd("-exec-run")
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self.expect("\*running")
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self.expect("@\"argc=1")
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@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
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@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
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@expectedFailureLinux # Failing in ~11/600 dosep runs (build 3120-3122)
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def test_lldbmi_gdb_set_target_async_off(self):
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"""Test that 'lldb-mi --interpreter' can execute commands in sync mode."""
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self.spawnLldbMi(args = None)
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# Test that -gdb-set can switch to sync mode
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self.runCmd("-gdb-set target-async off")
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self.expect("\^done")
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self.runCmd("-gdb-show target-async")
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self.expect("\^done,value=\"off\"")
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# Load executable
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self.runCmd("-file-exec-and-symbols %s" % self.myexe)
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self.expect("\^done")
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# Test that program is executed in async mode
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self.runCmd("-exec-run")
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unexpected = [ "\*running" ] # "\*running" is async notification
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it = self.expect(unexpected + [ "@\"argc=1\\\\r\\\\n" ])
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if it < len(unexpected):
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self.fail("unexpected found: %s" % unexpected[it])
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@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
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@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
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def test_lldbmi_gdb_show_target_async(self):
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"""Test that 'lldb-mi --interpreter' in async mode by default."""
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self.spawnLldbMi(args = None)
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# Test that default target-async value is "on"
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self.runCmd("-gdb-show target-async")
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self.expect("\^done,value=\"on\"")
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@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
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@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
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def test_lldbmi_gdb_show_language(self):
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"""Test that 'lldb-mi --interpreter' can get current language."""
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self.spawnLldbMi(args = None)
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# Load executable
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self.runCmd("-file-exec-and-symbols %s" % self.myexe)
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self.expect("\^done")
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# Run to main
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self.runCmd("-break-insert -f main")
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self.expect("\^done,bkpt={number=\"1\"")
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self.runCmd("-exec-run")
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self.expect("\^running")
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self.expect("\*stopped,reason=\"breakpoint-hit\"")
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# Test that -gdb-show language gets current language
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self.runCmd("-gdb-show language")
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self.expect("\^done,value=\"c\+\+\"")
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@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
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@unittest2.expectedFailure("-gdb-set ignores unknown properties")
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def test_lldbmi_gdb_set_unknown(self):
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"""Test that 'lldb-mi --interpreter' fails when setting an unknown property."""
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self.spawnLldbMi(args = None)
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# Test that -gdb-set fails if property is unknown
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self.runCmd("-gdb-set unknown some_value")
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self.expect("\^error")
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@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
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@unittest2.expectedFailure("-gdb-show ignores unknown properties")
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def test_lldbmi_gdb_show_unknown(self):
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"""Test that 'lldb-mi --interpreter' fails when showing an unknown property."""
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self.spawnLldbMi(args = None)
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# Test that -gdb-show fails if property is unknown
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self.runCmd("-gdb-show unknown")
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self.expect("\^error")
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@expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
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@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
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@skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
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def test_lldbmi_gdb_set_ouptut_radix(self):
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"""Test that 'lldb-mi --interpreter' works for -gdb-set output-radix."""
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self.spawnLldbMi(args = None)
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# Load executable
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self.runCmd("-file-exec-and-symbols %s" % self.myexe)
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self.expect("\^done")
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# Run to BP_printf
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line = line_number('main.cpp', '// BP_printf')
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self.runCmd("-break-insert main.cpp:%d" % line)
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self.expect("\^done,bkpt={number=\"1\"")
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self.runCmd("-exec-run")
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self.expect("\^running");
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self.expect("\*stopped,reason=\"breakpoint-hit\"")
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# Setup variable
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self.runCmd("-var-create var_a * a");
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self.expect("\^done,name=\"var_a\",numchild=\"0\",value=\"10\",type=\"int\",thread-id=\"1\",has_more=\"0\"")
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# Test default output
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self.runCmd("-var-evaluate-expression var_a");
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self.expect("\^done,value=\"10\"");
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# Test hex output
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self.runCmd("-gdb-set output-radix 16");
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self.expect("\^done");
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self.runCmd("-var-evaluate-expression var_a");
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self.expect("\^done,value=\"0xa\"");
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# Test octal output
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self.runCmd("-gdb-set output-radix 8");
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self.expect("\^done");
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self.runCmd("-var-evaluate-expression var_a");
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self.expect("\^done,value=\"012\"");
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# Test decimal output
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self.runCmd("-gdb-set output-radix 10");
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self.expect("\^done");
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self.runCmd("-var-evaluate-expression var_a");
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self.expect("\^done,value=\"10\"");
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