132 lines
2.6 KiB
Go
132 lines
2.6 KiB
Go
package binary
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import (
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"testing"
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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 TestEncodeExport(t *testing.T) {
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tests := []struct {
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name string
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input *wasm.Export
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expected []byte
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}{
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{
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name: "func no name, index 0",
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input: &wasm.Export{ // e.g. (export "" (func 0)))
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Type: wasm.ExternTypeFunc,
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Name: "",
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Index: 0,
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},
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expected: []byte{wasm.ExternTypeFunc, 0x00, 0x00},
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},
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{
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name: "func name, func index 0",
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input: &wasm.Export{ // e.g. (export "pi" (func 0))
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Type: wasm.ExternTypeFunc,
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Name: "pi",
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Index: 0,
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},
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expected: []byte{
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0x02, 'p', 'i',
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wasm.ExternTypeFunc,
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0x00,
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},
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},
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{
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name: "func name, index 10",
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input: &wasm.Export{ // e.g. (export "pi" (func 10))
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Type: wasm.ExternTypeFunc,
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Name: "pi",
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Index: 10,
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},
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expected: []byte{
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0x02, 'p', 'i',
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wasm.ExternTypeFunc,
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0x0a,
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},
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},
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{
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name: "global no name, index 0",
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input: &wasm.Export{ // e.g. (export "" (global 0)))
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Type: wasm.ExternTypeGlobal,
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Name: "",
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Index: 0,
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},
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expected: []byte{0x00, wasm.ExternTypeGlobal, 0x00},
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},
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{
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name: "global name, global index 0",
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input: &wasm.Export{ // e.g. (export "pi" (global 0))
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Type: wasm.ExternTypeGlobal,
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Name: "pi",
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Index: 0,
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},
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expected: []byte{
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0x02, 'p', 'i',
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wasm.ExternTypeGlobal,
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0x00,
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},
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},
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{
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name: "global name, index 10",
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input: &wasm.Export{ // e.g. (export "pi" (global 10))
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Type: wasm.ExternTypeGlobal,
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Name: "pi",
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Index: 10,
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},
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expected: []byte{
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0x02, 'p', 'i',
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wasm.ExternTypeGlobal,
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0x0a,
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},
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},
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{
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name: "memory no name, index 0",
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input: &wasm.Export{ // e.g. (export "" (memory 0)))
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Type: wasm.ExternTypeMemory,
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Name: "",
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Index: 0,
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},
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expected: []byte{0x00, wasm.ExternTypeMemory, 0x00},
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},
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{
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name: "memory name, memory index 0",
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input: &wasm.Export{ // e.g. (export "mem" (memory 0))
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Type: wasm.ExternTypeMemory,
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Name: "mem",
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Index: 0,
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},
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expected: []byte{
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0x03, 'm', 'e', 'm',
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wasm.ExternTypeMemory,
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0x00,
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},
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},
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{
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name: "memory name, index 10",
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input: &wasm.Export{ // e.g. (export "mem" (memory 10))
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Type: wasm.ExternTypeMemory,
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Name: "mem",
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Index: 10,
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},
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expected: []byte{
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0x03, 'm', 'e', 'm',
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wasm.ExternTypeMemory,
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0x0a,
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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 := encodeExport(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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