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(split from NondeterministicMemoryUsage)
Inducing failure but not getting OutOfMemory back is not as much of a problem as never inducing failure when it was expected to be induced, so treating them differently and allowing them to be handled differently by the caller is useful.
For example, the current implementation of `std.HashMapUnmanaged.getOrPutContextAdapted` always tries to grow and then recovers from OutOfMemory by attempting a lookup of an existing key. If this function is used (i.e. from `std.BufMap.putMove`) with `checkAllAllocationFailures`, then we'd have previously triggered `error.NondeterministicMemoryUsage`, but the real cause is that `OutOfMemory` is being recovered from and so the error is being swallowed. The new error allows us to both understand what's happening easier and to catch it and ignore it if we're okay with the code we're testing handling `error.OutOfMemory` without always bubbling it up.
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This tight coupling causes problems for various targets, requires
hacky "get args" functionality, and bungles relative file system paths,
making invalid assumptions about the zig-cache directory.
In short, these are not unit tests; these should be standalone tests
instead.
Reverts e5d4a694ea7dd251e10d6434c9321b5e0a548d4b
Reverts d976456ef665bf0aba3a83a8e7fccb4a92b2d3b2
Reverts dbbda0f41a7c5e214801925f8447a15193c3c731
Closes #11542
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Instead, just return ChildProcess directly. This structure does not
require a stable address, so we can put it on the stack just fine. If
someone wants it on the heap they should do.
const proc = try allocator.create(ChildProcess);
proc.* = ChildProcess.init(args, allocator);
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This reverts commit 75c9936737a6ba991d4ef187ddc9d51bc0ad0998, reversing
changes made to 7f13f5cd5f5a518638b15d7225eae2d88ec1efb5.
I don't think `runZigBuild` belongs in std.testing. We already have
`test/standalone/*` for this.
Additionally test names should explain what they are testing rather than
referencing GitHub issue numbers.
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This reverts commit 7f13f5cd5f5a518638b15d7225eae2d88ec1efb5.
I'd like to review this one before it goes in. This is an awfully
specific API that I don't think belongs in std.testing. Also I don't
want any code snippets in doc strings. We have doctests for that.
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compiler-rt math functions reorg
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std: explicitly handle error.UnexpectedExitCode in build_runner
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* remove need for manual string concatenation for building binaries in test blocks
* include small program snippet to show how to get binary path with subslicing
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* unify the logic for exporting math functions from compiler-rt,
with the appropriate suffixes and prefixes.
- add all missing f128 and f80 exports. Functions with missing
implementations call other functions and have TODO comments.
- also add f16 functions
* move math functions from freestanding libc to compiler-rt (#7265)
* enable all the f128 and f80 code in the stage2 compiler and behavior
tests (#11161).
* update std lib to use builtins rather than `std.math`.
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Two major changes here:
1. We store the CWD as a simple `[]const u8` and lookup Preopens for
every absolute or CWD-referenced file operation, based on the
Preopen with the longest match (i.e. most specific path)
2. Preorders are normalized to POSIX absolute paths at init time.
Behavior depends on the "cwd_root" parameter of `initPreopensWasi`:
`cwd_root` is used for any Preopens that start with "."
For example:
"./foo/bar" - inits to -> "{cwd_root}/foo/bar"
"foo/bar" - inits to -> "/foo/bar"
"/foo/bar" - inits to -> "/foo/bar"
`cwd_root` must be an absolute path.
Using "/" as `cwd_root` gives behavior similar to wasi-libc.
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Adds a function that allows checking for memory leaks (and other problems) by taking advantage of the FailingAllocator and inducing failure at every allocation point within the provided `test_fn` (based on the strategy employed in the Zig parser tests, which can now use this function).
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continuation of #11093 to simplify testing IPC
* use cases
- get path to temporary directory
- get the test arguments inside test block for reusage
- build executables from text within test blocks, ie to test IPC
* missing conventions
- how to name and debug test cases
- where do simple+repititve build commands for testing belong
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* make it always return a fully qualified name. stage1 is inconsistent
about this.
* AstGen: fix anon_name_strategy to correctly be `func` when anon type
creation happens in the operand of the return expression.
* Sema: implement type names for the "function" naming strategy.
* Put "enum", "union", "opaque", or "struct" in place of "anon" when
creating respective anonymous Decl names.
* std.testing: add `expectStringStartsWith`. Didn't end up using it
after all.
Also this enables the real test runner for stage2 LLVM backend (sans
wasm32) since it works now.
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At some point we changed these functions to return errors instead of
aborting.
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Co-authored-by: Veikka Tuominen <git@vexu.eu>
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Only about half of the tests in std were actually being run (918 vs 2144).
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AIR:
* `array_elem_val` is now allowed to be used with a vector as the array
type.
* New instructions: splat, vector_init
AstGen:
* The splat ZIR instruction uses coerced_ty for the ResultLoc, avoiding
an unnecessary `as` instruction, since the coercion will be performed
in Sema.
* Builtins that accept vectors now ignore the type parameter. Comment
from this commit reproduced here:
The accepted proposal #6835 tells us to remove the type parameter from
these builtins. To stay source-compatible with stage1, we still observe
the parameter here, but we do not encode it into the ZIR. To implement
this proposal in stage2, only AstGen code will need to be changed.
Sema:
* `clz` and `ctz` ZIR instructions are now handled by the same function
which accept AIR tag and comptime eval function pointer to
differentiate.
* `@typeInfo` for vectors is implemented.
* `@splat` is implemented. It takes advantage of `Value.Tag.repeated` 😎
* `elemValue` is implemented for vectors, when the index is a scalar.
Handling a vector index is still TODO.
* Element-wise coercion is implemented for vectors. It could probably
be optimized a bit, but it is at least complete & correct.
* `Type.intInfo` supports vectors, returning int info for the element.
* `Value.ctz` initial implementation. Needs work.
* `Value.eql` is implemented for arrays and vectors.
LLVM backend:
* Implement vector support when lowering `array_elem_val`.
* Implement vector support when lowering `ctz` and `clz`.
* Implement `splat` and `vector_init`.
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before it started outputting the actual starting, not ending characters.
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See #3811
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closes #9388
closes #9321
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We already have a LICENSE file that covers the Zig Standard Library. We
no longer need to remind everyone that the license is MIT in every single
file.
Previously this was introduced to clarify the situation for a fork of
Zig that made Zig's LICENSE file harder to find, and replaced it with
their own license that required annual payments to their company.
However that fork now appears to be dead. So there is no need to
reinforce the copyright notice in every single file.
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Signed-off-by: Takeshi Yoneda <takeshi@tetrate.io>
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Signed-off-by: Takeshi Yoneda <takeshi@tetrate.io>
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Conflicts:
* build.zig
* src/Compilation.zig
* src/codegen/spirv/spec.zig
* src/link/SpirV.zig
* test/stage2/darwin.zig
- this one might be problematic; start.zig looks for `main` in the
root source file, not `_main`. Not sure why there is an underscore
there in master branch.
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Added newline to every `std.debug.print` message.
Closes https://github.com/ziglang/zig/issues/8777
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Conflicts:
* doc/langref.html.in
* lib/std/enums.zig
* lib/std/fmt.zig
* lib/std/hash/auto_hash.zig
* lib/std/math.zig
* lib/std/mem.zig
* lib/std/meta.zig
* test/behavior/alignof.zig
* test/behavior/bitcast.zig
* test/behavior/bugs/1421.zig
* test/behavior/cast.zig
* test/behavior/ptrcast.zig
* test/behavior/type_info.zig
* test/behavior/vector.zig
Master branch added `try` to a bunch of testing function calls, and some
lines also had changed how to refer to the native architecture and other
`@import("builtin")` stuff.
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Use std.builtins instead.
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When the line has trailing whitespace we already print it with a
carriage return symbol at the end, don't print it one more time.
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This makes a few changes to the base64 codecs.
* The padding character is optional. The common "URL-safe" variant, in
particular, is generally not used with padding. This is also the case for
password hashes, so having this will avoid code duplication with bcrypt,
scrypt and other functions.
* The URL-safe variant is added. Instead of having individual constants
for each parameter of each variant, we are now grouping these in a
struct. So, `standard_pad_char` just becomes `standard.pad_char`.
* Types are not `snake_case`'d any more. So, `standard_encoder` becomes
`standard.Encoder`, as it is a type.
* Creating a decoder with ignored characters required the alphabet and
padding. Now, `standard.decoderWithIgnore(<ignored chars>)` returns a
decoder with the standard parameters and the set of ignored chars.
* Whatever applies to `standard.*` obviously also works with `url_safe.*`
* the `calcSize()` interface was inconsistent, taking a length in the
encoder, and a slice in the encoder. Rename the variant that takes a
slice to `calcSizeForSlice()`.
* In the decoder with ignored characters, add `calcSizeUpperBound()`,
which is more useful than the one that takes a slice in order to size
a fixed buffer before we have the data.
* Return `error.InvalidCharacter` when the input actually contains
characters that are neither padding nor part of the alphabet. If we
hit a padding issue (which includes extra bits at the end),
consistently return `error.InvalidPadding`.
* Don't keep the `char_in_alphabet` array permanently in a decoder;
it is only required for sanity checks during initialization.
* Tests are unchanged, but now cover both the standard (padded) and
the url-safe (non-padded) variants.
* Add an error set, rename `OutputTooSmallError` to `NoSpaceLeft`
to match the `hex2bin` equivalent.
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Beside handling NaNs and other non-numeric values better we finally
offer the same pair of testing predicates in math and testing.
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it will be set to the path of the zig executable which is running
`zig test`.
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