1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
{ %skiptarget=go32v2 }
{ %OPT=-CE }
{$mode objfpc}
uses
sysutils;
const
Program_has_errors : boolean = false;
exception_called : boolean = false;
TestNumber : longint = 10000;
procedure test_exception(const s : string);
begin
if not(exception_called) then
begin
Writeln('Exception not called : ',s);
Program_has_errors := true;
end;
end;
var
i,j : longint;
e : extended;
exception_count,level : longint;
begin
j:=0;
i:=100;
try
exception_called:=false;
j := i div j;
except
on e : exception do
begin
Writeln('First integer exception called ',e.message);
exception_called:=true;
end;
end;
test_exception('First division by zero for integers');
try
exception_called:=false;
j := i div j;
except
on e : exception do
begin
Writeln('Second integer exception called ',e.message);
exception_called:=true;
end;
end;
test_exception('Second division by zero for integers');
try
exception_called:=false;
e:=i/j;
except
on e : exception do
begin
Writeln('First real exception called ',e.message);
exception_called:=true;
end;
end;
test_exception('First division by zero for reals');
try
exception_called:=false;
e:=i/j;
except
on e : exception do
begin
Writeln('Second real exception called ',e.message);
exception_called:=true;
end;
end;
test_exception('Second division by zero for reals');
try
exception_called:=false;
j := i div j;
except
on e : exception do
begin
Writeln('exception called ',e.message);
exception_called:=true;
end;
end;
test_exception('third division by zero for integers');
exception_count:=0;
level:=0;
for j:=1 to TestNumber do
begin
try
i:=0;
inc(level);
e:=j/i;
except
on e : exception do
begin
inc(exception_count);
if level>1 then
Writeln('exception overrun');
dec(level);
end;
end;
end;
if exception_count<>TestNumber then
begin
program_has_errors:=true;
Writeln('Could not generate ',TestNumber,' consecutive exceptions');
Writeln('Only ',exception_count,' exceptions were generated');
end
else
begin
Writeln(TestNumber,' consecutive exceptions generated successfully');
end;
try
exception_called:=false;
i := -1;
e := ln(i);
except
on e : exception do
begin
Writeln('exception called ',e.message);
exception_called:=true;
end;
end;
test_exception('ln(-1)');
try
exception_called:=false;
i := 0;
e := ln(i);
except
on e : exception do
begin
Writeln('exception called ',e.message);
exception_called:=true;
end;
end;
test_exception('ln(0)');
try
exception_called:=false;
i := -1;
e := sqrt(i);
except
on e : exception do
begin
Writeln('exception called ',e.message);
exception_called:=true;
end;
end;
test_exception('sqrt(-1)');
if program_has_errors then
Halt(1);
end.
|
