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gdb.13943
gdb-6.3-test-dtorfix-20050121.patch
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File gdb-6.3-test-dtorfix-20050121.patch of Package gdb.13943
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001 From: Fedora GDB patches <invalid@email.com> Date: Fri, 27 Oct 2017 21:07:50 +0200 Subject: gdb-6.3-test-dtorfix-20050121.patch ;; Test support of multiple destructors just like multiple constructors ;;=fedoratest diff --git a/gdb/testsuite/gdb.cp/constructortest.cc b/gdb/testsuite/gdb.cp/constructortest.cc new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.cp/constructortest.cc @@ -0,0 +1,99 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2005 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +class A +{ + public: + A(); + ~A(); + int k; + private: + int x; +}; + +class B: public A +{ + public: + B(); + private: + int y; +}; + +/* C and D are for the $delete destructor. */ + +class C +{ + public: + C(); + virtual ~C(); + private: + int x; +}; + +class D: public C +{ + public: + D(); + private: + int y; +}; + +int main(int argc, char *argv[]) +{ + A* a = new A; + B* b = new B; + D* d = new D; + delete a; + delete b; + delete d; + return 0; +} + +A::A() /* Constructor A */ +{ + x = 1; /* First line A */ + k = 4; /* Second line A */ +} + +A::~A() /* Destructor A */ +{ + x = 3; /* First line ~A */ + k = 6; /* Second line ~A */ +} + +B::B() +{ + y = 2; /* First line B */ + k = 5; +} + +C::C() /* Constructor C */ +{ + x = 1; /* First line C */ +} + +C::~C() /* Destructor C */ +{ + x = 3; /* First line ~C */ +} + +D::D() +{ + y = 2; /* First line D */ +} diff --git a/gdb/testsuite/gdb.cp/constructortest.exp b/gdb/testsuite/gdb.cp/constructortest.exp new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.cp/constructortest.exp @@ -0,0 +1,130 @@ +# This testcase is part of GDB, the GNU debugger. + +# Copyright 2005, 2007 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# Check that GDB can break at multiple forms of constructors. + +set testfile "constructortest" +set srcfile ${testfile}.cc +set binfile [standard_output_file ${testfile}] +# PIE is required for testing proper BREAKPOINT_RE_SET of the multiple-PC +# breakpoints. +if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++ "additional_flags=-fpie -pie"}] != "" } { + return -1 +} + +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfile} + +# +# Run to `main' where we begin our tests. +# + +if ![runto_main] then { + gdb_suppress_tests +} + +# Break on the various forms of the A::A constructor. +# " (2 locations)" is displayed depending on G++ version. +gdb_test "break A\:\:A" "Breakpoint 2 at .*" "breaking on A::A" + +# Verify that we break for the A constructor two times +# Once for new A and once for new B +gdb_continue_to_breakpoint "First line A" +gdb_test "bt" "#0.*A.*#1.*main.*" "Verify in in-charge A::A" +gdb_continue_to_breakpoint "First line A" +gdb_test "bt" "#0.*A.*#1.*B.*#2.*main.*" "Verify in not-in-charge A::A" + +# Now do the same for destructors +gdb_test "break 'A::~A()'" "" + +# Verify that we break for the A destructor two times +# Once for delete a and once for delete b +gdb_continue_to_breakpoint "First line ~A" +gdb_test "bt" "#0.*~A.*#1.*main.*" "Verify in in-charge A::~A" +gdb_continue_to_breakpoint "First line ~A" +gdb_test "bt" "#0.*~A.*#1.*~B.*#2.*main.*" "Verify in not-in-charge A::~A" + + +# Verify that we can break by line number in a constructor and find +# both occurrences +runto_main +gdb_test "break 'A::A()'" "" "break in constructor A 2" +gdb_continue_to_breakpoint "First line A" +set second_line [gdb_get_line_number "Second line A"] +# " (2 locations)" is displayed depending on G++ version. +gdb_test "break $second_line" "Breakpoint .*, line $second_line\\..*" "break by line in constructor" +gdb_continue_to_breakpoint "Second line A" +gdb_test "bt" "#0.*A.*#1.*main.*" "Verify in in-charge A::A second line" +gdb_continue_to_breakpoint "Second line A" +gdb_test "bt" "#0.*A.*#1.*B.*#2.*main.*" "Verify in not-in-charge A::A second line" + +# Verify that we can break by line number in a destructor and find +# both occurrences +gdb_test "break 'A::~A()'" "" "break in constructor ~A 2" +gdb_continue_to_breakpoint "First line ~A" +set second_line_dtor [gdb_get_line_number "Second line ~A"] +# " (2 locations)" is displayed depending on G++ version. +gdb_test "break $second_line_dtor" "Breakpoint .*, line $second_line_dtor\\..*" "break by line in destructor" +gdb_continue_to_breakpoint "Second line ~A" +gdb_test "bt" "#0.*A.*#1.*main.*" "Verify in in-charge A::~A second line" +# FIXME: Analyse this case better. +gdb_continue_to_breakpoint "Second line ~A" +gdb_test "bt" "#0.*A.*#1.*main.*" "Verify in A::~A second line #2" +gdb_continue_to_breakpoint "Second line ~A" +gdb_test "bt" "#0.*A.*#1.*B.*#2.*main.*" "Verify in not-in-charge A::~A second line" + + +# Test now the $delete destructors. + +gdb_load ${binfile} +runto_main + +set first_line_dtor [gdb_get_line_number "First line ~C"] +set define_line_dtor [gdb_get_line_number "Destructor C"] +# Break on the various forms of the C::~C destructor +# " ([23] locations)" is displayed depending on G++ version. +gdb_test "break C\:\:~C" "Breakpoint .*: C::~C\\. \\(2 locations\\)" "breaking on C::~C" +gdb_continue_to_breakpoint "First line ~C" + +# Verify that we can break by line number in a destructor and find +# the $delete occurence + +gdb_load ${binfile} +delete_breakpoints + +# " (3 locations)" is displayed depending on G++ version. +gdb_test "break $first_line_dtor" "Breakpoint .*, line $first_line_dtor\\..*" "break by line in destructor" + +# Run to `main' where we begin our tests. +# Set the breakpoints first to test PIE multiple-PC BREAKPOINT_RE_SET. +# RUNTO_MAIN or RUNTO MAIN are not usable here as it runs DELETE_BREAKPOINTS. + +if ![gdb_breakpoint main] { + gdb_suppress_tests +} +gdb_run_cmd +set test "running to main" +gdb_test_multiple "" $test { + -re "Breakpoint \[0-9\]*, main .*$gdb_prompt $" { + pass $test + } +} + +gdb_continue_to_breakpoint "First line ~C"
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