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std.mem.Allocator: allow shrink to fail

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closes #13535
This commit is contained in:
Andrew Kelley
2022-11-27 01:07:35 -07:00
parent deda6b5146
commit ceb0a632cf
57 changed files with 950 additions and 1279 deletions
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11
test/compare_output.zig
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@@ -504,9 +504,10 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\ const allocator = logging_allocator.allocator();
\\
\\ var a = try allocator.alloc(u8, 10);
\\ a = allocator.shrink(a, 5);
\\ try std.testing.expect(allocator.resize(a, 5));
\\ a = a[0..5];
\\ try std.testing.expect(a.len == 5);
\\ try std.testing.expect(allocator.resize(a, 20) == null);
\\ try std.testing.expect(!allocator.resize(a, 20));
\\ allocator.free(a);
\\}
\\
@@ -522,9 +523,9 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
\\ nosuspend stdout.print(level_txt ++ prefix2 ++ format ++ "\n", args) catch return;
\\}
,
\\debug: alloc - success - len: 10, ptr_align: 1, len_align: 0
\\debug: shrink - success - 10 to 5, len_align: 0, buf_align: 1
\\error: expand - failure - 5 to 20, len_align: 0, buf_align: 1
\\debug: alloc - success - len: 10, ptr_align: 0
\\debug: shrink - success - 10 to 5, buf_align: 0
\\error: expand - failure - 5 to 20, buf_align: 0
\\debug: free - len: 5
\\
);