Files
wazero/wasm/vm_num_test.go
2021-10-07 21:35:04 +09:00

107 lines
2.3 KiB
Go

package wasm
import (
"testing"
"github.com/stretchr/testify/require"
)
func Test_i32eqz(t *testing.T) {
vm := &VirtualMachine{
OperandStack: NewVirtualMachineOperandStack(),
ActiveContext: &NativeFunctionContext{},
}
var testTable = []struct {
input int
want uint64
}{
{input: 0, want: 1},
{input: 1, want: 0},
}
for _, tt := range testTable {
vm.OperandStack.Push(uint64(tt.input))
i32eqz(vm)
require.Equal(t, tt.want, vm.OperandStack.Pop())
}
}
func Test_i32ne(t *testing.T) {
vm := &VirtualMachine{
OperandStack: NewVirtualMachineOperandStack(),
ActiveContext: &NativeFunctionContext{},
}
var testTable = []struct {
input [2]int
want uint64
}{
{input: [2]int{3, 4}, want: 1},
{input: [2]int{3, 3}, want: 0},
}
for _, tt := range testTable {
vm.OperandStack.Push(uint64(tt.input[0]))
vm.OperandStack.Push(uint64(tt.input[1]))
i32ne(vm)
require.Equal(t, tt.want, vm.OperandStack.Pop())
}
}
func Test_i32lts(t *testing.T) {
vm := &VirtualMachine{
OperandStack: NewVirtualMachineOperandStack(),
ActiveContext: &NativeFunctionContext{},
}
var testTable = []struct {
input [2]int
want uint64
}{
{input: [2]int{-4, 1}, want: 1},
{input: [2]int{4, -1}, want: 0},
}
for _, tt := range testTable {
vm.OperandStack.Push(uint64(tt.input[0]))
vm.OperandStack.Push(uint64(tt.input[1]))
i32lts(vm)
require.Equal(t, tt.want, vm.OperandStack.Pop())
}
}
func Test_i32ltu(t *testing.T) {
vm := &VirtualMachine{
OperandStack: NewVirtualMachineOperandStack(),
ActiveContext: &NativeFunctionContext{},
}
var testTable = []struct {
input [2]int
want uint64
}{
{input: [2]int{1, 4}, want: 1},
{input: [2]int{4, 1}, want: 0},
}
for _, tt := range testTable {
vm.OperandStack.Push(uint64(tt.input[0]))
vm.OperandStack.Push(uint64(tt.input[1]))
i32ltu(vm)
require.Equal(t, tt.want, vm.OperandStack.Pop())
}
}
func Test_i32gts(t *testing.T) {
vm := &VirtualMachine{
OperandStack: NewVirtualMachineOperandStack(),
ActiveContext: &NativeFunctionContext{},
}
var testTable = []struct {
input [2]int
want uint64
}{
{input: [2]int{1, -4}, want: 1},
{input: [2]int{-4, 1}, want: 0},
}
for _, tt := range testTable {
vm.OperandStack.Push(uint64(tt.input[0]))
vm.OperandStack.Push(uint64(tt.input[1]))
i32gts(vm)
require.Equal(t, tt.want, vm.OperandStack.Pop())
}
}