98 lines
3.1 KiB
Text
98 lines
3.1 KiB
Text
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# Copyright (C) 2016 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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standard_testfile
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if {[prepare_for_testing $testfile.exp $testfile $srcfile debug]} {
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untested $testfile.exp
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return -1
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}
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if ![runto_main] then {
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fail "Can't run to main"
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return 0
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}
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# Run "show max-value-size" and return the interesting bit of the
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# result. This is either the maximum size in bytes, or the string
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# "unlimited".
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proc get_max_value_size {} {
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global gdb_prompt
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global decimal
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gdb_test_multiple "show max-value-size" "" {
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-re "Maximum value size is ($decimal) bytes.*$gdb_prompt $" {
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return $expect_out(1,string)
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}
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-re "Maximum value size is unlimited.*$gdb_prompt $" {
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return "unlimited"
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}
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}
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}
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# Assuming that MAX_VALUE_SIZE is the current value for
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# max-value-size, print the test values. Use TEST_PREFIX to make the
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# test names unique.
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proc do_value_printing { max_value_size test_prefix } {
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with_test_prefix ${test_prefix} {
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gdb_test "p/d one" " = 0"
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if { $max_value_size != "unlimited" && $max_value_size < 100 } then {
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gdb_test "p/d one_hundred" \
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"value requires 100 bytes, which is more than max-value-size"
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} else {
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gdb_test "p/d one_hundred" " = \\{0 <repeats 100 times>\\}"
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}
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gdb_test "p/d one_hundred \[99\]" " = 0"
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}
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}
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# Install SET_VALUE as the value for max-value-size, then print the
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# test values.
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proc set_and_check_max_value_size { set_value } {
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if { $set_value == "unlimited" } then {
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set check_pattern "unlimited"
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} else {
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set check_pattern "${set_value} bytes"
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}
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gdb_test_no_output "set max-value-size ${set_value}"
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gdb_test "show max-value-size" \
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"Maximum value size is ${check_pattern}." \
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"check that the value shows as ${check_pattern}"
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do_value_printing ${set_value} "max-value-size is '${set_value}'"
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}
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# Check the default value is sufficient.
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do_value_printing [get_max_value_size] "using initial max-value-size"
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# Check some values for max-value-size that should prevent some
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# allocations.
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set_and_check_max_value_size 25
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set_and_check_max_value_size 99
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# Check values for max-value-size that should allow all allocations.
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set_and_check_max_value_size 100
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set_and_check_max_value_size 200
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set_and_check_max_value_size "unlimited"
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# Check that we can't set the maximum size stupidly low.
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gdb_test "set max-value-size 1" \
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"max-value-size set too low, increasing to \[0-9\]+ bytes"
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gdb_test "set max-value-size 0" \
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"max-value-size set too low, increasing to \[0-9\]+ bytes"
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gdb_test "set max-value-size -5" \
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"only -1 is allowed to set as unlimited"
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