mirror of
https://github.com/fluencelabs/wasmer
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126 lines
4.1 KiB
Markdown
126 lines
4.1 KiB
Markdown
This directory contains tests for the core WebAssembly semantics, as described in [Semantics.md](https://github.com/WebAssembly/design/blob/master/Semantics.md) and specified by the [spec interpreter](https://github.com/WebAssembly/spec/blob/master/interpreter/spec).
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This files should be a direct copy of the original [WebAssembly spec tests](https://github.com/WebAssembly/spec/tree/master/test/core).
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Tests are written in the [S-Expression script format](https://github.com/WebAssembly/spec/blob/master/interpreter/README.md#s-expression-syntax) defined by the interpreter.
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## Autogenerated Rust test cases
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This files will serve as base for autogenerating Rust testcases
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when `WASM_GENERATE_SPECTESTS=1 cargo build` is executed
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([src/build_spectests.rs](https://github.com/WAFoundation/wasmer/blob/master/src/build_spectests.rs)).
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The result autogenerated spectests live in the [src/spectests](https://github.com/WAFoundation/wasmer/tree/master/src/spectests)
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directory.
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The spectests are slightly modified from the source.
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This are the current things that are skipped as they are not yet supported:
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## Testcases
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Currently supported command assertions:
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- [x] Module _mostly implemented_ (it should support named modules `(module $Xx)`).
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- [x] AssertReturn _mostly implemented_ (it should support calls to named modules `(invoke $Xx "call")`).
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- [ ] AssertReturnCanonicalNan _not implemented yet_
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- [ ] AssertReturnArithmeticNan _not implemented yet_
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- [ ] AssertTrap _not implemented yet_
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- [x] AssertInvalid _Fully implemented_ (it should not require to do validation separate from compilation)
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- [x] AssertMalformed _Fully implemented_
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- [ ] AssertUninstantiable _not implemented yet_
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- [ ] AssertExhaustion _not implemented yet_
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- [ ] Register _not implemented yet_
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- [x] PerformAction _partially implemented, only function invokations for now_
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### Covered spectests
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This spectests are currently covered:
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- address.wast ✅
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- align.wast ✅
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- binary.wast
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- block.wast ✅
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- br.wast ✅
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- br_if.wast ✅
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- br_table.wast ✅
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- break-drop.wast ✅
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- call.wast ✅
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- call_indirect.wast ✅
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- comments.wast
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- const.wast ✅
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- conversions.wast ✅
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- custom.wast
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- data.wast ✅
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- elem.wast
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- endianness.wast ✅
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- exports.wast ✅
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- f32.wast ✅
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- f32_bitwise.wast ✅
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- f32_cmp.wast ✅
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- f64.wast ✅
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- f64_bitwise.wast ✅
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- f64_cmp.wast ✅
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- fac.wast
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- float_exprs.wast
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- float_literals.wast ✅
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- float_memory.wast
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- float_misc.wast
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- forward.wast
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- func.wast
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- func_ptrs.wast ✅
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- get_local.wast ✅
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- globals.wast ✅
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- i32.wast ✅
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- i64.wast ✅
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- if.wast ✅
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- imports.wast
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- inline-module.wast
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- int_exprs.wast
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- int_literals.wast
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- labels.wast ✅
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- left-to-right.wast ✅
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- linking.wast
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- loop.wast ✅
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- memory.wast ✅
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- memory_grow.wast
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- memory_redundancy.wast ✅
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- memory_trap.wast
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- names.wast ✅
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- nop.wast
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- return.wast ✅
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- select.wast ✅
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- set_local.wast ✅
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- skip-stack-guard-page.wast
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- stack.wast
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- start.wast
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- store_retval.wast
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- switch.wast ✅
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- tee_local.wast ✅
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- token.wast
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- traps.wast
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- type.wast ✅
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- typecheck.wast
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- unreachable.wast
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- unreached-invalid.wast
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- unwind.wast
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- utf8-custom-section-id.wast
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- utf8-import-field.wast
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- utf8-import-module.wast
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- utf8-invalid-encoding.wast
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### Specific non-supported cases
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There are some cases that we decided to skip for now to fasten the time to release:
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- `SKIP_NAN_BITS`: Cases like invokations with params such as: `(f32.const nan:0x200000)` are currently not well supported in tests. Files modified:
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- `conversions.wast`
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- `SKIP_MEMORY_GROW`: When accessing to the context memories multiple times, the mutable access to a memory index raises an error. For this reason we decied to skip the tests (for now) until this issue is resolved. Files modified:
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- `block.wast`
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- `call_indirect.wast`
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- `call.wast`
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- `globals.wast`
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- `loop.wast`
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- `if.wast`
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- `SKIP_MUTABLE_GLOBALS`: Right now the WASM parser can't validate a module with imported/exported mut globals. We decided to skip the tests until Cranelift and wasmparser can handle this (original spec proposal: https://github.com/WebAssembly/mutable-global). Files modified:
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- `globals.wast`
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