switch inferior/thread before calling target methods
[deliverable/binutils-gdb.git] / gdb / testsuite / gdb.ada / dyn_stride.exp
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b811d2c2 1# Copyright 2015-2020 Free Software Foundation, Inc.
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2#
3# This program is free software; you can redistribute it and/or modify
4# it under the terms of the GNU General Public License as published by
5# the Free Software Foundation; either version 3 of the License, or
6# (at your option) any later version.
7#
8# This program is distributed in the hope that it will be useful,
9# but WITHOUT ANY WARRANTY; without even the implied warranty of
10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11# GNU General Public License for more details.
12#
13# You should have received a copy of the GNU General Public License
14# along with this program. If not, see <http://www.gnu.org/licenses/>.
15
16load_lib "ada.exp"
17
18standard_ada_testfile foo
19
20if {[gdb_compile_ada "${srcfile}" "${binfile}" executable [list debug ]] != "" } {
21 return -1
22}
23
24clean_restart ${testfile}
25
26set bp_location [gdb_get_line_number "STOP" ${testdir}/foo.adb]
27if ![runto "foo.adb:$bp_location" ] then {
28 return -1
29}
30
31gdb_test "print A1(1)" \
32 "\\(i => 0, s => \"\"\\)"
33
34gdb_test "print A1(2)" \
35 "\\(i => 1, s => \"A\"\\)"
36
37gdb_test "print A1(3)" \
38 "\\(i => 2, s => \"AB\"\\)"
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39
40gdb_test "print A1(1..3)" \
41 "\\(\\(i => 0, s => \"\"\\), \\(i => 1, s => \"A\"\\), \\(i => 2, s => \"AB\"\\)\\)"
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42
43# Test the use of the "repeat" operator (@).
44#
45# Note that, in this case, the repeat operator makes little sense
46# and is NOT equivalent to requesting an array slice. In the case
47# of "print a1(1)@3", the size of each element in the array is
48# variable from element to element. So, when asked to repeat
49# one element of the array a number of times, you're not guaranteed
50# to get the same answer as in a slice; while the slice will
51# take into account the array stride, the repeat operator uses
52# the size of the object being repeated as its stride, which
53# is often not the same. So, in the test below, the output for
54# the second and third element is not entirely predictable, because
55# it reads part of their contents from a memory region which has
56# an undefined value (the "holes" between the each actual element
57# of the array).
58
59gdb_test "print a1(1)@3" \
60 " = \\(\\(i => 0, s => \"\"\\), \\(i => -?$decimal, s => .*\\), \\(i => -?$decimal, s => .*\\)\\)"
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