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wazevo: fuzz OpcodeVIcmp, OpcodeVFcmp, allTrue (#1793)

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This commit is contained in:
Edoardo Vacchi
2023-10-18 00:09:36 +02:00
committed by GitHub
parent a653c8a8f7
commit 583e8772ec
13 changed files with 435 additions and 34 deletions
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63
internal/integration_test/fuzzcases/fuzzcases_test.go
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@@ -482,3 +482,66 @@ func Test1792c(t *testing.T) {
require.Equal(t, uint64(9205357640488583168), m.Globals[0].ValHi)
})
}
// Test1793a tests that OpcodeVAllTrue is lowered to the right registers.
func Test1793a(t *testing.T) {
if !platform.CompilerSupported() {
return
}
run(t, func(t *testing.T, r wazero.Runtime) {
mod, err := r.Instantiate(ctx, getWasmBinary(t, "1793a"))
require.NoError(t, err)
m := mod.(*wasm.ModuleInstance)
_, err = m.ExportedFunction("").Call(ctx)
require.NoError(t, err)
require.Equal(t, uint64(2531906066518671488), m.Globals[2].Val)
require.Equal(t, uint64(18446744073709551615), m.Globals[2].ValHi)
})
}
// Test1793b tests that OpcodeVIcmp, OpcodeVFcmp are lowered to the right registers.
func Test1793b(t *testing.T) {
if !platform.CompilerSupported() {
return
}
run(t, func(t *testing.T, r wazero.Runtime) {
mod, err := r.Instantiate(ctx, getWasmBinary(t, "1793b"))
require.NoError(t, err)
m := mod.(*wasm.ModuleInstance)
_, err = m.ExportedFunction("").Call(ctx, 0, 0, 0, 0)
require.NoError(t, err)
require.Equal(t, uint64(18374967954648334335), m.Globals[1].Val)
require.Equal(t, uint64(18446744073709551615), m.Globals[1].ValHi)
})
}
// Test1793c tests that OpcodeVIcmp is lowered to the right registers.
func Test1793c(t *testing.T) {
if !platform.CompilerSupported() {
return
}
run(t, func(t *testing.T, r wazero.Runtime) {
mod, err := r.Instantiate(ctx, getWasmBinary(t, "1793c"))
require.NoError(t, err)
m := mod.(*wasm.ModuleInstance)
_, err = m.ExportedFunction("").Call(ctx, 0, 0)
require.NoError(t, err)
require.Equal(t, uint64(18446744073709551615), m.Globals[0].Val)
require.Equal(t, uint64(18446744073709551615), m.Globals[0].ValHi)
})
}
// Test1793c tests that OpcodeVShift is lowered to the right registers.
func Test1793d(t *testing.T) {
if !platform.CompilerSupported() {
return
}
run(t, func(t *testing.T, r wazero.Runtime) {
mod, err := r.Instantiate(ctx, getWasmBinary(t, "1793d"))
require.NoError(t, err)
m := mod.(*wasm.ModuleInstance)
_, err = m.ExportedFunction("").Call(ctx)
require.NoError(t, err)
require.Equal(t, uint64(0), m.Globals[1].Val)
})
}