117474c477
move binary encoder to its own package Signed-off-by: Edoardo Vacchi <evacchi@users.noreply.github.com>
50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
package binaryencoding
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import (
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"testing"
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"github.com/tetratelabs/wazero/internal/leb128"
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"github.com/tetratelabs/wazero/internal/testing/require"
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"github.com/tetratelabs/wazero/internal/wasm"
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)
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func TestEncodeGlobal(t *testing.T) {
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tests := []struct {
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name string
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input *wasm.Global
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expected []byte
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}{
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{
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name: "const",
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input: &wasm.Global{
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Type: &wasm.GlobalType{ValType: wasm.ValueTypeI32},
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Init: &wasm.ConstantExpression{Opcode: wasm.OpcodeI32Const, Data: leb128.EncodeInt32(1)},
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},
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expected: []byte{
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wasm.ValueTypeI32, 0x00, // 0 == const
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wasm.OpcodeI32Const, 0x01, wasm.OpcodeEnd,
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},
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},
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{
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name: "var",
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input: &wasm.Global{
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Type: &wasm.GlobalType{ValType: wasm.ValueTypeI32, Mutable: true},
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Init: &wasm.ConstantExpression{Opcode: wasm.OpcodeI32Const, Data: leb128.EncodeInt32(1)},
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},
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expected: []byte{
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wasm.ValueTypeI32, 0x01, // 1 == var
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wasm.OpcodeI32Const, 0x01, wasm.OpcodeEnd,
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},
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},
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}
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for _, tt := range tests {
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tc := tt
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t.Run(tc.name, func(t *testing.T) {
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bytes := encodeGlobal(tc.input)
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require.Equal(t, tc.expected, bytes)
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})
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}
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}
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