Merge pull request #4324 from fengb/testing-allocator

Remove debug.global_allocator in favor of testing.allocator

1 files changed, 12 insertions, 0 deletions

diff --git a/lib/std/testing.zig b/lib/std/testing.zig
index 7a261e0751..f8247b5a9d 100644
--- a/lib/std/testing.zig
+++ b/lib/std/testing.zig
@@ -2,6 +2,18 @@ const builtin = @import("builtin");
 const TypeId = builtin.TypeId;
 const std = @import("std.zig");
 
+pub const LeakCountAllocator = @import("testing/leak_count_allocator.zig").LeakCountAllocator;
+pub const FailingAllocator = @import("testing/failing_allocator.zig").FailingAllocator;
+
+/// This should only be used in temporary test programs.
+pub const allocator = &allocator_instance.allocator;
+pub var allocator_instance = LeakCountAllocator.init(&base_allocator_instance.allocator);
+
+pub const failing_allocator = &FailingAllocator.init(&base_allocator_instance.allocator, 0).allocator;
+
+pub var base_allocator_instance = std.heap.ThreadSafeFixedBufferAllocator.init(allocator_mem[0..]);
+var allocator_mem: [512 * 1024]u8 = undefined;
+
 /// This function is intended to be used only in tests. It prints diagnostics to stderr
 /// and then aborts when actual_error_union is not expected_error.
 pub fn expectError(expected_error: anyerror, actual_error_union: var) void {