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#coding=utf8
"""
Test lldb-mi -gdb-set and -gdb-show commands for 'print option-name'.
"""
from __future__ import print_function
import use_lldb_suite
import lldbmi_testcase
from lldbtest import *
class MiGdbSetShowTestCase(lldbmi_testcase.MiTestCaseBase):
mydir = TestBase.compute_mydir(__file__)
# evaluates array when char-array-as-string is off
def eval_and_check_array(self, var, typ, length):
self.runCmd("-var-create - * %s" % var)
self.expect('\^done,name="var\d+",numchild="%d",value="\[%d\]",type="%s \[%d\]",thread-id="1",has_more="0"' % (length, length, typ, length))
# evaluates any type which can be represented as string of characters
def eval_and_match_string(self, var, value, typ):
value=value.replace("\\", "\\\\").replace("\"", "\\\"")
self.runCmd("-var-create - * " + var)
self.expect('\^done,name="var\d+",numchild="[0-9]+",value="%s",type="%s",thread-id="1",has_more="0"' % (value, typ))
@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_gdb_set_show_print_char_array_as_string(self):
"""Test that 'lldb-mi --interpreter' can print array of chars as string."""
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_gdb_set_show_print_char_array_as_string_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 that default print char-array-as-string value is "off"
self.runCmd("-gdb-show print char-array-as-string")
self.expect("\^done,value=\"off\"")
# Test that a char* is expanded to string when print char-array-as-string is "off"
self.eval_and_match_string("cp", r'0x[0-9a-f]+ \"\\t\\\"hello\\\"\\n\"', r'const char \*')
# Test that a char[] isn't expanded to string when print char-array-as-string is "off"
self.eval_and_check_array("ca", "const char", 10);
# Test that a char16_t* is expanded to string when print char-array-as-string is "off"
self.eval_and_match_string("u16p", r'0x[0-9a-f]+ u\"\\t\\\"hello\\\"\\n\"', r'const char16_t \*')
# Test that a char16_t[] isn't expanded to string when print char-array-as-string is "off"
self.eval_and_check_array("u16a", "const char16_t", 10);
# Test that a char32_t* is expanded to string when print char-array-as-string is "off"
self.eval_and_match_string("u32p", r'0x[0-9a-f]+ U\"\\t\\\"hello\\\"\\n\"', r'const char32_t \*')
# Test that a char32_t[] isn't expanded to string when print char-array-as-string is "off"
self.eval_and_check_array("u32a", "const char32_t", 10);
# Test that -gdb-set can set print char-array-as-string flag
self.runCmd("-gdb-set print char-array-as-string on")
self.expect("\^done")
self.runCmd("-gdb-set print char-array-as-string 1")
self.expect("\^done")
self.runCmd("-gdb-show print char-array-as-string")
self.expect("\^done,value=\"on\"")
# Test that a char* with escape chars is expanded to string when print char-array-as-string is "on"
self.eval_and_match_string("cp", r'0x[0-9a-f]+ \"\\t\\\"hello\\\"\\n\"', r'const char \*')
# Test that a char[] with escape chars is expanded to string when print char-array-as-string is "on"
self.eval_and_match_string("ca", r'\"\\t\\\"hello\\\"\\n\"', r'const char \[10\]')
# Test that a char16_t* with escape chars is expanded to string when print char-array-as-string is "on"
self.eval_and_match_string("u16p", r'0x[0-9a-f]+ u\"\\t\\\"hello\\\"\\n\"', r'const char16_t \*')
# Test that a char16_t[] with escape chars is expanded to string when print char-array-as-string is "on"
self.eval_and_match_string("u16a", r'u\"\\t\\\"hello\\\"\\n\"', r'const char16_t \[10\]')
# Test that a char32_t* with escape chars is expanded to string when print char-array-as-string is "on"
self.eval_and_match_string("u32p", r'0x[0-9a-f]+ U\"\\t\\\"hello\\\"\\n\"', r'const char32_t \*')
# Test that a char32_t[] with escape chars is expanded to string when print char-array-as-string is "on"
self.eval_and_match_string("u32a", r'U\"\\t\\\"hello\\\"\\n\"', r'const char32_t \[10\]')
# Test russian unicode strings
self.eval_and_match_string("u16p_rus", r'0x[0-9a-f]+ u\"\\\\Аламо-сквер\"', r'const char16_t \*')
self.eval_and_match_string("u16a_rus", r'u\"\\\\Бейвью\"', r'const char16_t \[8\]')
self.eval_and_match_string("u32p_rus", r'0x[0-9a-f]+ U\"\\\\Чайнатаун\"', r'const char32_t \*')
self.eval_and_match_string("u32a_rus", r'U\"\\\\Догпатч\"', r'const char32_t \[9\]')
# Test that -gdb-set print char-array-as-string fails if "on"/"off" isn't specified
self.runCmd("-gdb-set print char-array-as-string")
self.expect("\^error,msg=\"The request ''print' expects option-name and \"on\" or \"off\"' failed.\"")
# Test that -gdb-set print char-array-as-string fails when option is unknown
self.runCmd("-gdb-set print char-array-as-string unknown")
self.expect("\^error,msg=\"The request ''print' expects option-name and \"on\" or \"off\"' failed.\"")
@skipIfWindows #llvm.org/pr24452: Get lldb-mi working on Windows
@expectedFailureGcc("https://llvm.org/bugs/show_bug.cgi?id=23357")
@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
def test_lldbmi_gdb_set_show_print_expand_aggregates(self):
"""Test that 'lldb-mi --interpreter' can expand aggregates everywhere."""
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_expand_aggregates
line = line_number('main.cpp', '// BP_gdb_set_show_print_expand_aggregates')
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 that default print expand-aggregates value is "off"
self.runCmd("-gdb-show print expand-aggregates")
self.expect("\^done,value=\"off\"")
# Test that composite type isn't expanded when print expand-aggregates is "off"
self.runCmd("-var-create var1 * complx")
self.expect("\^done,name=\"var1\",numchild=\"3\",value=\"{\.\.\.}\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"")
# Test that composite type[] isn't expanded when print expand-aggregates is "off"
self.eval_and_check_array("complx_array", "complex_type", 2)
# Test that a struct with a char first element is not formatted as a string
self.runCmd("-var-create - * &nstr")
self.expect("\^done,name=\"var\d+\",numchild=\"2\",value=\"0x[0-9a-f]+\",type=\"not_str \*\",thread-id=\"1\",has_more=\"0\"")
# Test that -gdb-set can set print expand-aggregates flag
self.runCmd("-gdb-set print expand-aggregates on")
self.expect("\^done")
self.runCmd("-gdb-set print expand-aggregates 1")
self.expect("\^done")
self.runCmd("-gdb-show print expand-aggregates")
self.expect("\^done,value=\"on\"")
# Test that composite type is expanded when print expand-aggregates is "on"
self.runCmd("-var-create var3 * complx")
self.expect("\^done,name=\"var3\",numchild=\"3\",value=\"{i = 3, inner = {l = 3}, complex_ptr = 0x[0-9a-f]+}\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"")
# Test that composite type[] is expanded when print expand-aggregates is "on"
self.runCmd("-var-create var4 * complx_array")
self.expect("\^done,name=\"var4\",numchild=\"2\",value=\"{\[0\] = {i = 4, inner = {l = 4}, complex_ptr = 0x[0-9a-f]+}, \[1\] = {i = 5, inner = {l = 5}, complex_ptr = 0x[0-9a-f]+}}\",type=\"complex_type \[2\]\",thread-id=\"1\",has_more=\"0\"")
# Test that -gdb-set print expand-aggregates fails if "on"/"off" isn't specified
self.runCmd("-gdb-set print expand-aggregates")
self.expect("\^error,msg=\"The request ''print' expects option-name and \"on\" or \"off\"' failed.\"")
# Test that -gdb-set print expand-aggregates fails when option is unknown
self.runCmd("-gdb-set print expand-aggregates unknown")
self.expect("\^error,msg=\"The request ''print' expects option-name and \"on\" or \"off\"' failed.\"")
@skipIfWindows #llvm.org/pr24452: Get lldb-mi working on Windows
@expectedFailureGcc("https://llvm.org/bugs/show_bug.cgi?id=23357")
@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
def test_lldbmi_gdb_set_show_print_aggregate_field_names(self):
"""Test that 'lldb-mi --interpreter' can expand aggregates everywhere."""
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_aggregate_field_names
line = line_number('main.cpp', '// BP_gdb_set_show_print_aggregate_field_names')
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 that default print aggregatep-field-names value is "on"
self.runCmd("-gdb-show print aggregate-field-names")
self.expect("\^done,value=\"on\"")
# Set print expand-aggregates flag to "on"
self.runCmd("-gdb-set print expand-aggregates on")
self.expect("\^done")
# Test that composite type is expanded with field name when print aggregate-field-names is "on"
self.runCmd("-var-create var1 * complx")
self.expect("\^done,name=\"var1\",numchild=\"3\",value=\"{i = 3, inner = {l = 3}, complex_ptr = 0x[0-9a-f]+}\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"")
# Test that composite type[] is expanded with field name when print aggregate-field-names is "on"
self.runCmd("-var-create var2 * complx_array")
self.expect("\^done,name=\"var2\",numchild=\"2\",value=\"{\[0\] = {i = 4, inner = {l = 4}, complex_ptr = 0x[0-9a-f]+}, \[1\] = {i = 5, inner = {l = 5}, complex_ptr = 0x[0-9a-f]+}}\",type=\"complex_type \[2\]\",thread-id=\"1\",has_more=\"0\"")
# Test that -gdb-set can set print aggregate-field-names flag
self.runCmd("-gdb-set print aggregate-field-names off")
self.expect("\^done")
self.runCmd("-gdb-set print aggregate-field-names 0")
self.expect("\^done")
self.runCmd("-gdb-show print aggregate-field-names")
self.expect("\^done,value=\"off\"")
# Test that composite type is expanded without field name when print aggregate-field-names is "off"
self.runCmd("-var-create var3 * complx")
self.expect("\^done,name=\"var3\",numchild=\"3\",value=\"{3,\{3\},0x[0-9a-f]+}\",type=\"complex_type\",thread-id=\"1\",has_more=\"0\"")
# Test that composite type[] is expanded without field name when print aggregate-field-names is "off"
self.runCmd("-var-create var4 * complx_array")
self.expect("\^done,name=\"var4\",numchild=\"2\",value=\"{{4,\{4\},0x[0-9a-f]+},{5,\{5\},0x[0-9a-f]+}}\",type=\"complex_type \[2\]\",thread-id=\"1\",has_more=\"0\"")
# Test that -gdb-set print aggregate-field-names fails if "on"/"off" isn't specified
self.runCmd("-gdb-set print aggregate-field-names")
self.expect("\^error,msg=\"The request ''print' expects option-name and \"on\" or \"off\"' failed.\"")
# Test that -gdb-set print aggregate-field-names fails when option is unknown
self.runCmd("-gdb-set print aggregate-field-names unknown")
self.expect("\^error,msg=\"The request ''print' expects option-name and \"on\" or \"off\"' failed.\"")
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