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simple-rust-tests/__wasm/wit-bindgen-sample/wit-bindgen/tests/runtime/numbers/host.py

107 lines
3.5 KiB
Python

from exports.bindings import Exports
from imports.bindings import add_imports_to_linker, Imports
import math;
import sys
import wasmtime
class MyImports:
def roundtrip_u8(self, a: int) -> int:
return a
def roundtrip_s8(self, a: int) -> int:
return a
def roundtrip_u16(self, a: int) -> int:
return a
def roundtrip_s16(self, a: int) -> int:
return a
def roundtrip_u32(self, a: int) -> int:
return a
def roundtrip_s32(self, a: int) -> int:
return a
def roundtrip_u64(self, a: int) -> int:
return a
def roundtrip_s64(self, a: int) -> int:
return a
def roundtrip_float32(self, a: float) -> float:
return a
def roundtrip_float64(self, a: float) -> float:
return a
def roundtrip_char(self, a: str) -> str:
return a
def set_scalar(self, a: int) -> None:
self.scalar = a
def get_scalar(self) -> int:
return self.scalar
def run(wasm_file: str) -> None:
store = wasmtime.Store()
module = wasmtime.Module.from_file(store.engine, wasm_file)
linker = wasmtime.Linker(store.engine)
linker.define_wasi()
wasi = wasmtime.WasiConfig()
wasi.inherit_stdout()
wasi.inherit_stderr()
store.set_wasi(wasi)
imports = MyImports()
add_imports_to_linker(linker, store, imports)
wasm = Exports(store, linker, module)
wasm.test_imports(store)
assert(wasm.roundtrip_u8(store, 1) == 1)
assert(wasm.roundtrip_u8(store, (1 << 8) - 1) == (1 << 8) - 1)
assert(wasm.roundtrip_u16(store, 1) == 1)
assert(wasm.roundtrip_u16(store, (1 << 16) - 1) == (1 << 16) - 1)
assert(wasm.roundtrip_u32(store, 1) == 1)
assert(wasm.roundtrip_u32(store, (1 << 32) - 1) == (1 << 32) - 1)
assert(wasm.roundtrip_u64(store, 1) == 1)
assert(wasm.roundtrip_u64(store, (1 << 64) - 1) == (1 << 64) - 1)
assert(wasm.roundtrip_s8(store, 1) == 1)
assert(wasm.roundtrip_s8(store, (1 << (8 - 1) - 1)) == (1 << (8 - 1) - 1))
assert(wasm.roundtrip_s8(store, -(1 << (8 - 1))) == -(1 << (8 - 1)))
assert(wasm.roundtrip_s16(store, 1) == 1)
assert(wasm.roundtrip_s16(store, (1 << (16 - 1) - 1)) == (1 << (16 - 1) - 1))
assert(wasm.roundtrip_s16(store, -(1 << (16 - 1))) == -(1 << (16 - 1)))
assert(wasm.roundtrip_s32(store, 1) == 1)
assert(wasm.roundtrip_s32(store, (1 << (32 - 1) - 1)) == (1 << (32 - 1) - 1))
assert(wasm.roundtrip_s32(store, -(1 << (32 - 1))) == -(1 << (32 - 1)))
assert(wasm.roundtrip_s64(store, 1) == 1)
assert(wasm.roundtrip_s64(store, (1 << (64 - 1) - 1)) == (1 << (64 - 1) - 1))
assert(wasm.roundtrip_s64(store, -(1 << (64 - 1))) == -(1 << (64 - 1)))
inf = float('inf')
assert(wasm.roundtrip_float32(store, 1.0) == 1.0)
assert(wasm.roundtrip_float32(store, inf) == inf)
assert(wasm.roundtrip_float32(store, -inf) == -inf)
assert(math.isnan(wasm.roundtrip_float32(store, float('nan'))))
assert(wasm.roundtrip_float64(store, 1.0) == 1.0)
assert(wasm.roundtrip_float64(store, inf) == inf)
assert(wasm.roundtrip_float64(store, -inf) == -inf)
assert(math.isnan(wasm.roundtrip_float64(store, float('nan'))))
assert(wasm.roundtrip_char(store, 'a') == 'a')
assert(wasm.roundtrip_char(store, ' ') == ' ')
assert(wasm.roundtrip_char(store, '🚩') == '🚩')
wasm.set_scalar(store, 2)
assert(wasm.get_scalar(store) == 2)
wasm.set_scalar(store, 4)
assert(wasm.get_scalar(store) == 4)
if __name__ == '__main__':
run(sys.argv[1])