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add behavior test for coroutine frame allocation failure

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This commit is contained in:
Andrew Kelley 2018-03-09 21:05:54 -05:00
parent 61a02d9d1e
commit 20011a7a1c
1 changed files with 13 additions and 0 deletions
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13
test/cases/coroutines.zig
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@ -130,3 +130,16 @@ fn early_seq(c: u8) void {
early_points[early_seq_index] = c;
early_seq_index += 1;
}
test "coro allocation failure" {
var failing_allocator = std.debug.FailingAllocator.init(std.debug.global_allocator, 0);
if (async(&failing_allocator.allocator) asyncFuncThatNeverGetsRun()) {
@panic("expected allocation failure");
} else |err| switch (err) {
error.OutOfMemory => {},
}
}
async fn asyncFuncThatNeverGetsRun() void {
@panic("coro frame allocation should fail");
}