xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.pascal/floats.exp (revision 8b657b0747480f8989760d71343d6dd33f8d4cf9)
1# Copyright 2007-2023 Free Software Foundation, Inc.
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 "pascal.exp"
17
18standard_testfile .pas
19
20if {[gdb_compile_pascal "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug ]] != "" } {
21    untested "failed to compile"
22    return -1
23}
24
25clean_restart ${testfile}
26
27if { ![runto_main] } {
28    return
29}
30
31set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
32set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
33
34if { [gdb_breakpoint ${srcfile}:${bp_location1}] } {
35    pass "setting breakpoint 1"
36}
37if { [gdb_breakpoint ${srcfile}:${bp_location2}] } {
38    pass "setting breakpoint 2"
39}
40
41gdb_test "cont" "Breakpoint .*:${bp_location1}.*" "going to first breakpoint"
42gdb_test "print r" ".* = 0" "print r before assigned to 1.25"
43
44gdb_test "next" "r := 1\\.25;" "next to 'r := 1.25' line"
45gdb_test "next" "s := 2\\.2;" "next to 's := 2.2' line"
46gdb_test "next" "t := -3\\.2;" "next to 't := -3.2' line"
47gdb_test "next" "u := 78\\.3;" "next to 'u := 78.3' line"
48gdb_test "next" "l := 1;" "next to 'l := 1' line"
49gdb_test "next" "i := 1;" "next to 'i := 1' line"
50
51# At that point,
52# r should be equal to 1.25
53gdb_test "print r" " = 1\\.25"
54# s should be equal to 2.2
55gdb_test "print s" " = 2\\.(199.*|2|200.*)"
56# t should be equal to -3.2
57gdb_test "print t" " = -3\\.(199.*|2|200.*)"
58# u should be equal to 78.3
59gdb_test "print u" " = 78\\.(3|300.*|299.*)"
60
61# Test addition
62gdb_test "print r + s" " = 3\\.4(499.*|5|500.*)"
63gdb_test "print r + t" " = -1\\.9(499.*|5|500.*)"
64
65#Test addition with float constants
66gdb_test "print r + 1.5" " = 2\\.7(499.*|5|500.*)"
67gdb_test "print r + 0.03" " = 1\\.2(799.*|8|800.*)"
68gdb_test "print r + (-0.2)" " = 1\\.0(499.*|5|500.*)"
69gdb_test "print r + 1.5E+3" " = 1501\\.2(499.*|5|500.*)"
70gdb_test "print r + 1.5E+2" " = 151\\.2(499.*|5|500.*)"
71gdb_test "print r + 1.5E+1" " = 16\\.2(499.*|5|500.*)"
72gdb_test "print r + 1.5E+0" " = 2\\.7(499.*|5|500.*)"
73gdb_test "print r + 1.5E-1" " = 1\\.(399.*|4|400.*)"
74gdb_test "print r + 1.5E-2" " = 1\\.26(499.*|5|500.*)"
75gdb_test "print r + 1.5E-3" " = 1\\.251(499.*|5|500.*)"
76
77# Test addition with integer variables
78gdb_test "print r + l" " = 2\\.2(499.*|5|500.*)"
79gdb_test "print l + t" " = -2\\.(199.*|2|200.*)"
80
81# Test addition with integer constants
82gdb_test "print r + 10" " = 11\\.2(499.*|5|500.*)"
83gdb_test "print r + 5" " = 6\\.2(499.*|5|500.*)"
84gdb_test "print r + 1" " = 2\\.2(499.*|5|500.*)"
85gdb_test "print r + 0" " = 1\\.2(499.*|5|500.*)"
86gdb_test "print r + (-1)" " = 0\\.2(499.*|5|500.*)"
87gdb_test "print r + (-5)" " = -3\\.7(499.*|5|500.*)"
88gdb_test "print r + (-10)" " = -8\\.7(499.*|5|500.*)"
89
90# Test substraction
91gdb_test "print r - s" " = -0\\.9(499.*|5|500.*)"
92gdb_test "print r - t" " = 4\\.4(499.*|5|500.*)"
93
94# Test unany minus
95gdb_test "print -r" " = -1\\.2(499.*|5|500.*)"
96gdb_test "print (-r)" " = -1\\.2(499.*|5|500.*)"
97gdb_test "print -(r)" " = -1.2(499.*|5|500.*)"
98gdb_test "print -(r + s)" " = -3\\.4(499.*|5|500.*)"
99
100# Test multiplication
101gdb_test "print 2 * r" " = 2\\.(499.*|5|500.*)"
102gdb_test "print 2.0 * r" " = 2\\.(499.*|5|500.*)"
103gdb_test "print 1000*r" " = 12(49\\.99.*|50|50\\.00.*)"
104
105#Test division
106gdb_test "print r / 2" " = 0\\.62(499.*|5|500.*)"
107gdb_test "print 35 / 2" " = 17\\.(499.*|5|500.*)"
108
109# 'set r' does not work, as there are set sub-commands starting with 'r'
110# Thus we need to use 'set var r'
111gdb_test "set var r := 2.56" " := 2\\.56"
112gdb_test "print r" " = 2\\.5(599.*|6|600.*)" "testing new r value"
113
114gdb_test "cont" \
115	 "Breakpoint .*:${bp_location2}.*" \
116	 "Going to second breakpoint"
117gdb_test "next" "r := cos\\(u\\);" "advance to 'r := cos(u)' line"
118gdb_test "print u" " = 3\\.14159.*" "test pi value"
119gdb_test "next" "s := sin\\(u\\);" "advance to 's := sin(u)' line"
120gdb_test "print r" " = -1" "test cos(pi) is equal to -1"
121gdb_test "next" "" "go past 's := sin(u)' line"
122
123set msg "Test sin(pi) is equal to 0"
124
125gdb_test_multiple "print s" $msg {
126	-re ".* = (0|-?\[0-9\]\\.\[0-9\]*\[eE\](-?\[0-9\]*))\[\r\n\]+$gdb_prompt $" {
127	  set value "$expect_out(1,string)"
128	  verbose "value is $value" 1
129	  if [info exists expect_out(2,string)] {
130	    set expo $expect_out(2,string)
131	    verbose "expo found: $expo" 1
132	  } else {
133	    set expo "0"
134	    regsub  ".*\[eE\]" "$value" "" expo
135	  }
136	  regsub  "^-" "$expo" "" mexpo
137	  verbose "expo is $expo" 1
138	  verbose "mexpo is $mexpo" 1
139	  if { $value == 0 } {
140	    pass $msg
141	  } elseif {$mexpo > 8} {
142	    pass "$msg '$value' is close to zero"
143	  } else {
144	    fail "$msg '$value' too large"
145	  }
146	  verbose "Still here" 1
147	}
148}
149