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teak-llvm/lldb/packages/Python/lldbsuite/test/tools/lldb-mi/variable/TestMiVar.py
Zachary Turner 19474e1801 Remove use_lldb_suite from the package, and don't import it anymore. 
This module was originally intended to be imported by top-level
scripts to be able to find the LLDB packages and third party
libraries.  Packages themselves shouldn't need to import it,
because by the time it gets into the package, the top-level
script should have already done this.  Indeed, it was just
adding the same values to sys.path multiple times, so this
patch is essentially no functional change.

To make sure it doesn't get re-introduced, we also delete the
`use_lldb_suite` module from `lldbsuite/test`, although the
original copy still remains in `lldb/test`

llvm-svn: 251963
2015-11-03 19:20:39 +00:00

395 lines
22 KiB
Python
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"""
Test lldb-mi -var-xxx commands.
"""
from __future__ import print_function
import lldbmi_testcase
from lldbsuite.test.lldbtest import *
class MiVarTestCase(lldbmi_testcase.MiTestCaseBase):
mydir = TestBase.compute_mydir(__file__)
@skipIfWindows #llvm.org/pr24452: Get lldb-mi tests working on Windows
@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
@expectedFailureAll("llvm.org/pr23560", oslist=["linux"], compiler="gcc", compiler_version=[">=","4.9"], archs=["i386"])
def test_lldbmi_eval(self):
"""Test that 'lldb-mi --interpreter' works for evaluating."""
self.spawnLldbMi(args = None)
# Load executable
self.runCmd("-file-exec-and-symbols %s" % self.myexe)
self.expect("\^done")
# Run to program return
line = line_number('main.cpp', '// BP_return')
self.runCmd("-break-insert main.cpp:%d" % line)
self.expect("\^done,bkpt={number=\"1\"")
self.runCmd("-exec-run")
self.expect("\^running")
self.expect("\*stopped,reason=\"breakpoint-hit\"")
# Print non-existant variable
self.runCmd("-var-create var1 * undef")
self.expect("\^error,msg=\"error: error: use of undeclared identifier \'undef\'\\\\nerror: 1 errors parsing expression\\\\n\"")
self.runCmd("-data-evaluate-expression undef")
self.expect("\^error,msg=\"Could not evaluate expression\"")
# Print global "g_MyVar", modify, delete and create again
self.runCmd("-data-evaluate-expression g_MyVar")
self.expect("\^done,value=\"3\"")
self.runCmd("-var-create var2 * g_MyVar")
self.expect("\^done,name=\"var2\",numchild=\"0\",value=\"3\",type=\"int\",thread-id=\"1\",has_more=\"0\"")
self.runCmd("-var-evaluate-expression var2")
self.expect("\^done,value=\"3\"")
self.runCmd("-var-show-attributes var2")
self.expect("\^done,status=\"editable\"")
self.runCmd("-var-list-children var2")
self.expect("\^done,numchild=\"0\",has_more=\"0\"")
self.runCmd("-data-evaluate-expression \"g_MyVar=30\"")
self.expect("\^done,value=\"30\"")
self.runCmd("-var-update --all-values var2")
#self.expect("\^done,changelist=\[\{name=\"var2\",value=\"30\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\]") #FIXME -var-update doesn't work
self.runCmd("-var-delete var2")
self.expect("\^done")
self.runCmd("-var-create var2 * g_MyVar")
self.expect("\^done,name=\"var2\",numchild=\"0\",value=\"30\",type=\"int\",thread-id=\"1\",has_more=\"0\"")
# Print static "s_MyVar", modify, delete and create again
self.runCmd("-data-evaluate-expression s_MyVar")
self.expect("\^done,value=\"30\"")
self.runCmd("-var-create var3 * s_MyVar")
self.expect("\^done,name=\"var3\",numchild=\"0\",value=\"30\",type=\"int\",thread-id=\"1\",has_more=\"0\"")
self.runCmd("-var-evaluate-expression var3")
self.expect("\^done,value=\"30\"")
self.runCmd("-var-show-attributes var3")
self.expect("\^done,status=\"editable\"")
self.runCmd("-var-list-children var3")
self.expect("\^done,numchild=\"0\",has_more=\"0\"")
self.runCmd("-data-evaluate-expression \"s_MyVar=3\"")
self.expect("\^done,value=\"3\"")
self.runCmd("-var-update --all-values var3")
#self.expect("\^done,changelist=\[\{name=\"var3\",value=\"3\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\]") #FIXME -var-update doesn't work
self.runCmd("-var-delete var3")
self.expect("\^done")
self.runCmd("-var-create var3 * s_MyVar")
self.expect("\^done,name=\"var3\",numchild=\"0\",value=\"3\",type=\"int\",thread-id=\"1\",has_more=\"0\"")
# Print local "b", modify, delete and create again
self.runCmd("-data-evaluate-expression b")
self.expect("\^done,value=\"20\"")
self.runCmd("-var-create var4 * b")
self.expect("\^done,name=\"var4\",numchild=\"0\",value=\"20\",type=\"int\",thread-id=\"1\",has_more=\"0\"")
self.runCmd("-var-evaluate-expression var4")
self.expect("\^done,value=\"20\"")
self.runCmd("-var-show-attributes var4")
self.expect("\^done,status=\"editable\"")
self.runCmd("-var-list-children var4")
self.expect("\^done,numchild=\"0\",has_more=\"0\"")
self.runCmd("-data-evaluate-expression \"b=2\"")
self.expect("\^done,value=\"2\"")
self.runCmd("-var-update --all-values var4")
#self.expect("\^done,changelist=\[\{name=\"var4\",value=\"2\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\]") #FIXME -var-update doesn't work
self.runCmd("-var-delete var4")
self.expect("\^done")
self.runCmd("-var-create var4 * b")
self.expect("\^done,name=\"var4\",numchild=\"0\",value=\"2\",type=\"int\",thread-id=\"1\",has_more=\"0\"")
# Print temp "a + b"
self.runCmd("-data-evaluate-expression \"a + b\"")
self.expect("\^done,value=\"12\"")
self.runCmd("-var-create var5 * \"a + b\"")
self.expect("\^done,name=\"var5\",numchild=\"0\",value=\"12\",type=\"int\",thread-id=\"1\",has_more=\"0\"")
self.runCmd("-var-evaluate-expression var5")
self.expect("\^done,value=\"12\"")
self.runCmd("-var-show-attributes var5")
self.expect("\^done,status=\"editable\"") #FIXME editable or not?
self.runCmd("-var-list-children var5")
self.expect("\^done,numchild=\"0\",has_more=\"0\"")
# Print argument "argv[0]"
self.runCmd("-data-evaluate-expression \"argv[0]\"")
self.expect("\^done,value=\"0x[0-9a-f]+ \\\\\\\".*?%s\\\\\\\"\"" % self.myexe)
self.runCmd("-var-create var6 * \"argv[0]\"")
self.expect("\^done,name=\"var6\",numchild=\"1\",value=\"0x[0-9a-f]+ \\\\\\\".*?%s\\\\\\\"\",type=\"const char \*\",thread-id=\"1\",has_more=\"0\"" % self.myexe)
self.runCmd("-var-evaluate-expression var6")
self.expect("\^done,value=\"0x[0-9a-f]+ \\\\\\\".*?%s\\\\\\\"\"" % self.myexe)
self.runCmd("-var-show-attributes var6")
self.expect("\^done,status=\"editable\"")
self.runCmd("-var-list-children --all-values var6")
# FIXME: The name below is not correct. It should be "var.*argv[0]".
self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var6\.\*\$[0-9]+\",exp=\"\*\$[0-9]+\",numchild=\"0\",type=\"const char\",thread-id=\"4294967295\",value=\"47 '/'\",has_more=\"0\"\}\],has_more=\"0\"") #FIXME -var-list-children shows invalid thread-id
@skipIfWindows #llvm.org/pr24452: Get lldb-mi tests working on Windows
@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
@skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
def test_lldbmi_var_update(self):
"""Test that 'lldb-mi --interpreter' works for -var-update."""
self.spawnLldbMi(args = None)
# Load executable
self.runCmd("-file-exec-and-symbols %s" % self.myexe)
self.expect("\^done")
# Run to BP_var_update_test_init
line = line_number('main.cpp', '// BP_var_update_test_init')
self.runCmd("-break-insert main.cpp:%d" % line)
self.expect("\^done,bkpt={number=\"1\"")
self.runCmd("-exec-run")
self.expect("\^running")
self.expect("\*stopped,reason=\"breakpoint-hit\"")
# Setup variables
self.runCmd("-var-create var_l * l")
self.expect("\^done,name=\"var_l\",numchild=\"0\",value=\"1\",type=\"long\",thread-id=\"1\",has_more=\"0\"")
self.runCmd("-var-create var_complx * complx")
self.expect("\^done,name=\"var_complx\",numchild=\"3\",value=\"\{\.\.\.\}\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"")
self.runCmd("-var-create var_complx_array * complx_array")
self.expect("\^done,name=\"var_complx_array\",numchild=\"2\",value=\"\[2\]\",type=\"complex_type \[2\]\",thread-id=\"1\",has_more=\"0\"")
# Go to BP_var_update_test_l
line = line_number('main.cpp', '// BP_var_update_test_l')
self.runCmd("-break-insert main.cpp:%d" % line)
self.expect("\^done,bkpt={number=\"2\"")
self.runCmd("-exec-continue")
self.expect("\^running")
self.expect("\*stopped,reason=\"breakpoint-hit\"")
# Test that var_l was updated
self.runCmd("-var-update --all-values var_l")
self.expect("\^done,changelist=\[\{name=\"var_l\",value=\"0\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\]")
# Go to BP_var_update_test_complx
line = line_number('main.cpp', '// BP_var_update_test_complx')
self.runCmd("-break-insert main.cpp:%d" % line)
self.expect("\^done,bkpt={number=\"3\"")
self.runCmd("-exec-continue")
self.expect("\^running")
self.expect("\*stopped,reason=\"breakpoint-hit\"")
# Test that var_complx was updated
self.runCmd("-var-update --all-values var_complx")
self.expect("\^done,changelist=\[\{name=\"var_complx\",value=\"\{\.\.\.\}\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\]")
# Go to BP_var_update_test_complx_array
line = line_number('main.cpp', '// BP_var_update_test_complx_array')
self.runCmd("-break-insert main.cpp:%d" % line)
self.expect("\^done,bkpt={number=\"4\"")
self.runCmd("-exec-continue")
self.expect("\^running")
self.expect("\*stopped,reason=\"breakpoint-hit\"")
# Test that var_complex_array was updated
self.runCmd("-var-update --all-values var_complx_array")
self.expect("\^done,changelist=\[\{name=\"var_complx_array\",value=\"\[2\]\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\]")
@skipIfWindows #llvm.org/pr24452: Get lldb-mi tests working on Windows
@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
def test_lldbmi_var_create_register(self):
"""Test that 'lldb-mi --interpreter' works for -var-create $regname."""
self.spawnLldbMi(args = None)
# Load executable
self.runCmd("-file-exec-and-symbols %s" % self.myexe)
self.expect("\^done")
# Run to main
self.runCmd("-break-insert -f main")
self.expect("\^done,bkpt={number=\"1\"")
self.runCmd("-exec-run")
self.expect("\^running")
self.expect("\*stopped,reason=\"breakpoint-hit\"")
# Find name of register 0
self.runCmd("-data-list-register-names 0")
self.expect("\^done,register-names=\[\".+?\"\]")
register_name = self.child.after.split("\"")[1]
# Create variable for register 0
# Note that message is different in Darwin and Linux:
# Darwin: "^done,name=\"var_reg\",numchild=\"0\",value=\"0x[0-9a-f]+\",type=\"unsigned long\",thread-id=\"1\",has_more=\"0\"
# Linux: "^done,name=\"var_reg\",numchild=\"0\",value=\"0x[0-9a-f]+\",type=\"unsigned int\",thread-id=\"1\",has_more=\"0\"
self.runCmd("-var-create var_reg * $%s" % register_name)
self.expect("\^done,name=\"var_reg\",numchild=\"0\",value=\"0x[0-9a-f]+\",type=\"unsigned (long|int)\",thread-id=\"1\",has_more=\"0\"")
# Assign value to variable
self.runCmd("-var-assign var_reg \"6\"")
#FIXME: the output has different format for 32bit and 64bit values
self.expect("\^done,value=\"0x0*?6\"")
# Assert register 0 updated
self.runCmd("-data-list-register-values d 0")
self.expect("\^done,register-values=\[{number=\"0\",value=\"6\"")
@skipIfWindows #llvm.org/pr24452: Get lldb-mi tests working on Windows
@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
@skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
def test_lldbmi_var_list_children(self):
"""Test that 'lldb-mi --interpreter' works for -var-list-children."""
self.spawnLldbMi(args = None)
# Load executable
self.runCmd("-file-exec-and-symbols %s" % self.myexe)
self.expect("\^done")
# Run to BP_var_list_children_test
line = line_number('main.cpp', '// BP_var_list_children_test')
self.runCmd("-break-insert main.cpp:%d" % line)
self.expect("\^done,bkpt={number=\"1\"")
self.runCmd("-exec-run")
self.expect("\^running")
self.expect("\*stopped,reason=\"breakpoint-hit\"")
# Create variable
self.runCmd("-var-create var_complx * complx")
self.expect("\^done,name=\"var_complx\",numchild=\"3\",value=\"\{\.\.\.\}\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"")
self.runCmd("-var-create var_complx_array * complx_array")
self.expect("\^done,name=\"var_complx_array\",numchild=\"2\",value=\"\[2\]\",type=\"complex_type \[2\]\",thread-id=\"1\",has_more=\"0\"")
self.runCmd("-var-create var_pcomplx * pcomplx")
self.expect("\^done,name=\"var_pcomplx\",numchild=\"2\",value=\"\{\.\.\.\}\",type=\"pcomplex_type\",thread-id=\"1\",has_more=\"0\"")
# Test that -var-evaluate-expression can evaluate the children of created varobj
self.runCmd("-var-list-children var_complx")
self.runCmd("-var-evaluate-expression var_complx.i")
self.expect("\^done,value=\"3\"")
self.runCmd("-var-list-children var_complx_array")
self.runCmd("-var-evaluate-expression var_complx_array.[0]")
self.expect("\^done,value=\"\{...\}\"")
self.runCmd("-var-list-children var_pcomplx")
self.runCmd("-var-evaluate-expression var_pcomplx.complex_type")
self.expect("\^done,value=\"\{...\}\"")
# Test that -var-list-children lists empty children if range is empty
# (and that print-values is optional)
self.runCmd("-var-list-children var_complx 0 0")
self.expect("\^done,numchild=\"0\",has_more=\"1\"")
self.runCmd("-var-list-children var_complx 99 0")
self.expect("\^done,numchild=\"0\",has_more=\"1\"")
self.runCmd("-var-list-children var_complx 99 3")
self.expect("\^done,numchild=\"0\",has_more=\"0\"")
# Test that -var-list-children lists all children with their values
# (and that from and to are optional)
self.runCmd("-var-list-children --all-values var_complx")
self.expect("\^done,numchild=\"3\",children=\[child=\{name=\"var_complx\.i\",exp=\"i\",numchild=\"0\",type=\"int\",thread-id=\"1\",value=\"3\",has_more=\"0\"\},child=\{name=\"var_complx\.inner\",exp=\"inner\",numchild=\"1\",type=\"complex_type::\(anonymous struct\)\",thread-id=\"1\",value=\"\{\.\.\.\}\",has_more=\"0\"\},child=\{name=\"var_complx\.complex_ptr\",exp=\"complex_ptr\",numchild=\"3\",type=\"complex_type \*\",thread-id=\"1\",value=\"0x[0-9a-f]+\",has_more=\"0\"\}\],has_more=\"0\"")
self.runCmd("-var-list-children --simple-values var_complx_array")
self.expect("\^done,numchild=\"2\",children=\[child=\{name=\"var_complx_array\.\[0\]\",exp=\"\[0\]\",numchild=\"3\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"\},child=\{name=\"var_complx_array\.\[1\]\",exp=\"\[1\]\",numchild=\"3\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"\}\],has_more=\"0\"")
self.runCmd("-var-list-children 0 var_pcomplx")
self.expect("\^done,numchild=\"2\",children=\[child=\{name=\"var_pcomplx\.complex_type\",exp=\"complex_type\",numchild=\"3\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"\},child={name=\"var_pcomplx\.complx\",exp=\"complx\",numchild=\"3\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"\}\],has_more=\"0\"")
# Test that -var-list-children lists children without values
self.runCmd("-var-list-children 0 var_complx 0 1")
self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var_complx\.i\",exp=\"i\",numchild=\"0\",type=\"int\",thread-id=\"1\",has_more=\"0\"\}\],has_more=\"1\"")
self.runCmd("-var-list-children --no-values var_complx 0 1")
self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var_complx\.i\",exp=\"i\",numchild=\"0\",type=\"int\",thread-id=\"1\",has_more=\"0\"\}\],has_more=\"1\"")
self.runCmd("-var-list-children --no-values var_complx_array 0 1")
self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var_complx_array\.\[0\]\",exp=\"\[0\]\",numchild=\"3\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"\}\],has_more=\"1\"")
self.runCmd("-var-list-children --no-values var_pcomplx 0 1")
self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var_pcomplx\.complex_type\",exp=\"complex_type\",numchild=\"3\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"\}\],has_more=\"1\"")
# Test that -var-list-children lists children with all values
self.runCmd("-var-list-children 1 var_complx 1 2")
self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var_complx\.inner\",exp=\"inner\",numchild=\"1\",type=\"complex_type::\(anonymous struct\)\",thread-id=\"1\",value=\"\{\.\.\.\}\",has_more=\"0\"\}\],has_more=\"1\"")
self.runCmd("-var-list-children --all-values var_complx 1 2")
self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var_complx\.inner\",exp=\"inner\",numchild=\"1\",type=\"complex_type::\(anonymous struct\)\",thread-id=\"1\",value=\"\{\.\.\.\}\",has_more=\"0\"\}\],has_more=\"1\"")
self.runCmd("-var-list-children --all-values var_complx_array 1 2")
self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var_complx_array\.\[1\]\",exp=\"\[1\]\",numchild=\"3\",type=\"complex_type\",thread-id=\"1\",value=\"\{\.\.\.\}\",has_more=\"0\"\}\],has_more=\"0\"")
self.runCmd("-var-list-children --all-values var_pcomplx 1 2")
self.expect("\^done,numchild=\"1\",children=\[child={name=\"var_pcomplx\.complx\",exp=\"complx\",numchild=\"3\",type=\"complex_type\",thread-id=\"1\",value=\"\{\.\.\.\}\",has_more=\"0\"\}\],has_more=\"0\"")
# Test that -var-list-children lists children with simple values
self.runCmd("-var-list-children 2 var_complx 2 4")
self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var_complx\.complex_ptr\",exp=\"complex_ptr\",numchild=\"3\",type=\"complex_type \*\",thread-id=\"1\",has_more=\"0\"\}\],has_more=\"0\"")
self.runCmd("-var-list-children --simple-values var_complx 2 4")
self.expect("\^done,numchild=\"1\",children=\[child=\{name=\"var_complx\.complex_ptr\",exp=\"complex_ptr\",numchild=\"3\",type=\"complex_type \*\",thread-id=\"1\",has_more=\"0\"\}\],has_more=\"0\"")
self.runCmd("-var-list-children --simple-values var_complx_array 2 4")
self.expect("\^done,numchild=\"0\",has_more=\"0\"")
self.runCmd("-var-list-children --simple-values var_pcomplx 2 4")
self.expect("\^done,numchild=\"0\",has_more=\"0\"")
# Test that an invalid from is handled
# FIXME: -1 is treated as unsigned int
self.runCmd("-var-list-children 0 var_complx -1 0")
#self.expect("\^error,msg=\"Command 'var-list-children'\. Variable children range invalid\"")
# Test that an invalid to is handled
# FIXME: -1 is treated as unsigned int
self.runCmd("-var-list-children 0 var_complx 0 -1")
#self.expect("\^error,msg=\"Command 'var-list-children'\. Variable children range invalid\"")
# Test that a missing low-frame or high-frame is handled
self.runCmd("-var-list-children 0 var_complx 0")
self.expect("\^error,msg=\"Command 'var-list-children'. Variable children range invalid\"")
@skipIfWindows #llvm.org/pr24452: Get lldb-mi working on Windows
@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
@skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
def test_lldbmi_var_create_for_stl_types(self):
"""Test that 'lldb-mi --interpreter' print summary for STL types."""
self.spawnLldbMi(args = None)
# Load executable
self.runCmd("-file-exec-and-symbols %s" % self.myexe)
self.expect("\^done")
# Run to BP_gdb_set_show_print_char_array_as_string_test
line = line_number('main.cpp', '// BP_cpp_stl_types_test')
self.runCmd("-break-insert main.cpp:%d" % line)
self.expect("\^done,bkpt={number=\"1\"")
self.runCmd("-exec-run")
self.expect("\^running")
self.expect("\*stopped,reason=\"breakpoint-hit\"")
# Test for std::string
self.runCmd("-var-create - * std_string")
self.expect('\^done,name="var\d+",numchild="[0-9]+",value="\\\\"hello\\\\"",type="std::[\S]*?string",thread-id="1",has_more="0"')
@skipIfWindows #llvm.org/pr24452: Get lldb-mi working on Windows
@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
@skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
def test_lldbmi_var_create_for_unnamed_objects(self):
"""Test that 'lldb-mi --interpreter' can expand unnamed structures and unions."""
self.spawnLldbMi(args = None)
# Load executable
self.runCmd("-file-exec-and-symbols %s" % self.myexe)
self.expect("\^done")
# Run to breakpoint
line = line_number('main.cpp', '// BP_unnamed_objects_test')
self.runCmd("-break-insert main.cpp:%d" % line)
self.expect("\^done,bkpt={number=\"1\"")
self.runCmd("-exec-run")
self.expect("\^running")
self.expect("\*stopped,reason=\"breakpoint-hit\"")
# Evaluate struct_with_unions type and its children
self.runCmd("-var-create v0 * swu")
self.expect('\^done,name="v0",numchild="2",value="\{\.\.\.\}",type="struct_with_unions",thread-id="1",has_more="0"')
self.runCmd("-var-list-children v0")
# inspect the first unnamed union
self.runCmd("-var-list-children v0.$0")
self.runCmd("-var-evaluate-expression v0.$0.u_i")
self.expect('\^done,value="1"')
# inspect the second unnamed union
self.runCmd("-var-list-children v0.$1")
self.runCmd("-var-evaluate-expression v0.$1.u1")
self.expect('\^done,value="-1"')
# inspect unnamed structure
self.runCmd("-var-list-children v0.$1.$1")
self.runCmd("-var-evaluate-expression v0.$1.$1.s1")
self.expect('\^done,value="-1"')
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