You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: spectest_test.go
    path of file: ./repos/wazero/internal/integration_test/spectest
    
    the code of the file until where you have to start completion: package spectest

import (
	"encoding/json"
	"math"
	"testing"

	"github.com/tetratelabs/wazero/internal/moremath"
	"github.com/tetratelabs/wazero/internal/testing/require"
	"github.com/tetratelabs/wazero/internal/wasm"
)

func Test_f32Equal(t *testing.T) {
	tests := []struct {
		f1, f2 float32
		exp   
    
func TestCommandActionVal_toUint64s(t *testing.T) {
	tests := []struct {
		name                string
		rawCommandActionVal string
		exp                 []uint64
	}{
		{
			name:                "i32",
			rawCommandActionVal: `{"type": "i32", "value": "0"}`,
			exp:                 []uint64{0},
		},
		{
			name:                "i32",
			rawCommandActionVal: `{"type": "i32", "value": "4294967295"}`,
			exp:                 []uint64{4294967295},
		},
		{
			name:                "i64",
			rawCommandActionVal: `{"type": "i64", "value": "0"}`,
			exp:                 []uint64{0},
		},
		{
			name:                "i64",
			rawCommandActionVal: `{"type": "i64", "value": "7034535277573963776"}`,
			exp:                 []uint64{7034535277573963776},
		},
		{
			name:                "f32",
			rawCommandActionVal: `{"type": "f32", "value": "0"}`,
			exp:                 []uint64{0},
		},
		{
			name:                "f32",
			rawCommandActionVal: `{"type": "f32", "value": "2147483648"}`,
			exp:                 []uint64{2147483648},
		},
		{
			name:                "f64",
			rawCommandActionVal: `{"type": "f64", "value": "0"}`,
			exp:                 []uint64{0},
		},
		{
			name:                "f64",
			rawCommandActionVal: `{"type": "f64", "value": "4616189618054758400"}`,
			exp:                 []uint64{4616189618054758400},
		},
		{
			name:                "f32x4",
			rawCommandActionVal: `{"type": "v128", "lane_type": "f32", "value": ["645922816", "645922816", "645922816", "645922816"]}`,
			exp:                 []uint64{645922816<<32 | 645922816, 645922816<<32 | 645922816},
		},
		{
			name:                "f32x4",
			rawCommandActionVal: `{"type": "v128", "lane_type": "f32", "value": ["nan:canonical", "nan:arithmetic", "nan:canonical", "nan:arithmetic"]}`,
			exp: []uint64{
				uint64(moremath.F32CanonicalNaNBits) | (uint64(moremath.F32ArithmeticNaNBits) << 32),
				uint64(moremath.F32CanonicalNaNBits) | (uint64(moremath.F32ArithmeticNaNBits) << 32),
			},
		},
		{
			name:                "f64x2",
			rawCommandActionVal: `{"type": "v128", "lane_type": "f64", "value": ["9223372036854775808", "9223372036854775808"]}`,
			exp:                 []uint64{9223372036854775808, 9223372036854775808},
		},
		{
			name:                "f64x2",
			rawCommandActionVal: `{"type": "v128", "lane_type": "f64", "value": ["nan:canonical", "nan:arithmetic"]}`,
			exp:                 []uint64{moremath.F64CanonicalNaNBits, moremath.F64ArithmeticNaNBits},
		},
		{
			name:                "i8x16",
			rawCommandActionVal: `{"type": "v128", "lane_type": "i8", "value": ["128", "129", "130", "131", "253", "254", "255", "0", "0", "1", "2", "127", "128", "253", "254", "255"]}`,
			exp: []uint64{
				128 | (129 << 8) | (130 << 16) | (131 << 24) | (253 << 32) | (254 << 40) | (255 << 48),
				1<<8 | 2<<16 | 127<<24 | 128<<32 | 253<<40 | 254<<48 | 255<<56,
			},
		},
		{
			name:                "i16x8",
			rawCommandActionVal: `{"type": "v128", "lane_type": "i16", "value": ["256", "770", "1284", "1798", "2312", "2826", "3340", "3854"]}`,
			exp: []uint64{
				256 | 770<<16 | 1284<<32 | 1798<<48,
				2312 | 2826<<16 | 3340<<32 | 3854<<48,
			},
		},
		{
			name:                "i32x4",
			rawCommandActionVal: `{"type": "v128", "lane_type": "i32", "value": ["123", "32766", "32766", "40000"]}`,
			exp: []uint64{
				123 | 32766<<32,
				32766 | 40000<<32,
			},
		},
		{
			name:                "i64x2",
			rawCommandActionVal: `{"type": "v128", "lane_type": "i64", "value": ["18446744073709551615", "123124"]}`,
			exp: []uint64{
				18446744073709551615,
				123124,
			},
		},
	}

	for _, tc := range tests {
		tc := tc
		t.Run(tc.name, func(t *testing.T) {
			var c commandActionVal
			err := json.Unmarshal([]byte(tc.rawCommandActionVal), &c)
			require.NoError(t, err)
			actual := c.toUint64s()
			require.Equal(t, tc.exp, actual)
		})
	}
}