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Add some tests for the runtime safety checks

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This commit is contained in:
LemonBoy 2020-04-06 20:14:06 +02:00
parent dc54e50db2
commit 0a936c1d76
1 changed files with 69 additions and 0 deletions
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69
test/runtime_safety.zig
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@ -1,6 +1,75 @@
const tests = @import("tests.zig");
pub fn addCases(cases: *tests.CompareOutputContext) void {
{
const check_panic_msg =
\\pub fn panic(message: []const u8, stack_trace: ?*@import("builtin").StackTrace) noreturn {
\\ if (std.mem.eql(u8, message, "index out of bounds")) {
\\ std.process.exit(126); // good
\\ }
\\ std.process.exit(0); // test failed
\\}
;
cases.addRuntimeSafety("slicing operator with sentinel",
\\const std = @import("std");
++ check_panic_msg ++
\\pub fn main() void {
\\ var buf = [4]u8{'a','b','c',0};
\\ const slice = buf[0..4 :0];
\\}
);
cases.addRuntimeSafety("slicing operator with sentinel",
\\const std = @import("std");
++ check_panic_msg ++
\\pub fn main() void {
\\ var buf = [4]u8{'a','b','c',0};
\\ const slice = buf[0..:0];
\\}
);
cases.addRuntimeSafety("slicing operator with sentinel",
\\const std = @import("std");
++ check_panic_msg ++
\\pub fn main() void {
\\ var buf_zero = [0]u8{};
\\ const slice = buf_zero[0..0 :0];
\\}
);
cases.addRuntimeSafety("slicing operator with sentinel",
\\const std = @import("std");
++ check_panic_msg ++
\\pub fn main() void {
\\ var buf_zero = [0]u8{};
\\ const slice = buf_zero[0..:0];
\\}
);
cases.addRuntimeSafety("slicing operator with sentinel",
\\const std = @import("std");
++ check_panic_msg ++
\\pub fn main() void {
\\ var buf_sentinel = [2:0]u8{'a','b'};
\\ @ptrCast(*[3]u8, &buf_sentinel)[2] = 0;
\\ const slice = buf_sentinel[0..3 :0];
\\}
);
cases.addRuntimeSafety("slicing operator with sentinel",
\\const std = @import("std");
++ check_panic_msg ++
\\pub fn main() void {
\\ var buf_slice: []u8 = &[3]u8{ 'a', 'b', 0 };
\\ const slice = buf_slice[0..3 :0];
\\}
);
cases.addRuntimeSafety("slicing operator with sentinel",
\\const std = @import("std");
++ check_panic_msg ++
\\pub fn main() void {
\\ var buf_slice: []u8 = &[3]u8{ 'a', 'b', 0 };
\\ const slice = buf_slice[0.. :0];
\\}
);
}
cases.addRuntimeSafety("shift left by huge amount",
\\const std = @import("std");
\\pub fn panic(message: []const u8, stack_trace: ?*@import("builtin").StackTrace) noreturn {