authorgravatar for thatlemon@gmail.comLemonBoy <thatlemon@gmail.com> 2020-12-05 19:16:36+01:00
committergravatar for thatlemon@gmail.comLemonBoy <thatlemon@gmail.com> 2020-12-05 20:14:04+01:00
logb45d2968e51cd22650b019f668056333337513e9
treece0ddfbcd55e911dd1d12833fbeef06fcbd1879d
parent97f36d93f4766a8d225d19665309e825cdef72bf

Add some test cases for the previous commits

1 files changed, 79 insertions(+), 0 deletions(-)

test/runtime_safety.zig+79
...@@ -1,6 +1,85 @@...@@ -1,6 +1,85 @@
1const tests = @import("tests.zig");1const tests = @import("tests.zig");
22
3pub fn addCases(cases: *tests.CompareOutputContext) void {3pub fn addCases(cases: *tests.CompareOutputContext) void {
4 {
5 const check_panic_msg =
6 \\pub fn panic(message: []const u8, stack_trace: ?*@import("builtin").StackTrace) noreturn {
7 \\ if (std.mem.eql(u8, message, "reached unreachable code")) {
8 \\ std.process.exit(126); // good
9 \\ }
10 \\ std.process.exit(0); // test failed
11 \\}
12 ;
13
14 cases.addRuntimeSafety("switch on corrupted enum value",
15 \\const std = @import("std");
16 ++ check_panic_msg ++
17 \\const E = enum(u32) {
18 \\ X = 1,
19 \\};
20 \\pub fn main() void {
21 \\ var e: E = undefined;
22 \\ @memset(@ptrCast([*]u8, &e), 0x55, @sizeOf(E));
23 \\ switch (e) {
24 \\ .X => @breakpoint(),
25 \\ }
26 \\}
27 );
28
29 cases.addRuntimeSafety("switch on corrupted union value",
30 \\const std = @import("std");
31 ++ check_panic_msg ++
32 \\const U = union(enum(u32)) {
33 \\ X: u8,
34 \\};
35 \\pub fn main() void {
36 \\ var u: U = undefined;
37 \\ @memset(@ptrCast([*]u8, &u), 0x55, @sizeOf(U));
38 \\ switch (u) {
39 \\ .X => @breakpoint(),
40 \\ }
41 \\}
42 );
43 }
44
45 {
46 const check_panic_msg =
47 \\pub fn panic(message: []const u8, stack_trace: ?*@import("builtin").StackTrace) noreturn {
48 \\ if (std.mem.eql(u8, message, "invalid enum value")) {
49 \\ std.process.exit(126); // good
50 \\ }
51 \\ std.process.exit(0); // test failed
52 \\}
53 ;
54
55 cases.addRuntimeSafety("@tagName on corrupted enum value",
56 \\const std = @import("std");
57 ++ check_panic_msg ++
58 \\const E = enum(u32) {
59 \\ X = 1,
60 \\};
61 \\pub fn main() void {
62 \\ var e: E = undefined;
63 \\ @memset(@ptrCast([*]u8, &e), 0x55, @sizeOf(E));
64 \\ var n = @tagName(e);
65 \\}
66 );
67
68 cases.addRuntimeSafety("@tagName on corrupted union value",
69 \\const std = @import("std");
70 ++ check_panic_msg ++
71 \\const U = union(enum(u32)) {
72 \\ X: u8,
73 \\};
74 \\pub fn main() void {
75 \\ var u: U = undefined;
76 \\ @memset(@ptrCast([*]u8, &u), 0x55, @sizeOf(U));
77 \\ var t: @TagType(U) = u;
78 \\ var n = @tagName(t);
79 \\}
80 );
81 }
82
4 {83 {
5 const check_panic_msg =84 const check_panic_msg =
6 \\pub fn panic(message: []const u8, stack_trace: ?*@import("builtin").StackTrace) noreturn {85 \\pub fn panic(message: []const u8, stack_trace: ?*@import("builtin").StackTrace) noreturn {