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wazevo: fuzz, fix Fcopysign (#1826)

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Signed-off-by: Edoardo Vacchi <evacchi@users.noreply.github.com>
This commit is contained in:
Edoardo Vacchi
2023-10-31 23:36:28 +01:00
committed by GitHub
parent 928fce854f
commit 9841c5fc04
5 changed files with 389 additions and 6 deletions
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16
internal/integration_test/fuzzcases/fuzzcases_test.go
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@@ -715,3 +715,19 @@ func Test1825(t *testing.T) {
require.Equal(t, uint64(18446744073709551615), m.Globals[6].ValHi)
})
}
// Test1825 tests that lowerFcopysignImpl allocates correctly the temporary registers.
func Test1826(t *testing.T) {
if !platform.CompilerSupported() {
return
}
run(t, func(t *testing.T, r wazero.Runtime) {
mod, err := r.Instantiate(ctx, getWasmBinary(t, "1826"))
require.NoError(t, err)
m := mod.(*wasm.ModuleInstance)
_, err = m.ExportedFunction("3").Call(ctx, 0, 0)
require.NoError(t, err)
require.Equal(t, uint64(1608723901141126568), m.Globals[0].Val)
require.Equal(t, uint64(0), m.Globals[0].ValHi)
})
}