github.com/gotranspile/cxgo@v0.3.7/runtime/stdio/print_test.go (about)

     1  package stdio
     2  
     3  import (
     4  	"testing"
     5  
     6  	"github.com/stretchr/testify/require"
     7  )
     8  
     9  func TestSprintf(t *testing.T) {
    10  	a := []byte("0000000000\x00")
    11  	n := Sprintf(&a[0], "hi %lu\n", int32(10))
    12  	require.Equal(t, 6, int(n))
    13  	require.Equal(t, "hi 10\n", string(a[:n]))
    14  	require.Equal(t, "hi 10\n\x00000\x00", string(a))
    15  }