i2c_test.go

Documentation: golang.org/x/exp/io/i2c

     1  // Copyright 2016 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package i2c
     6  
     7  import (
     8  	"testing"
     9  )
    10  
    11  func TestTenBit(t *testing.T) {
    12  	tc := []struct {
    13  		masked     int
    14  		addrWant   int
    15  		tenbitWant bool
    16  	}{
    17  		{TenBit(0x5), 0x5, true},
    18  		{0x5, 0x5, false},
    19  		{TenBit(0x200), 0x200, true},
    20  	}
    21  
    22  	for _, tt := range tc {
    23  		unmasked, tenbit := resolveAddr(tt.masked)
    24  		if want, got := tt.tenbitWant, tenbit; got != want {
    25  			t.Errorf("want address %x as 10-bit; got non 10-bit", tt.masked)
    26  		}
    27  		if want, got := tt.addrWant, unmasked; got != want {
    28  			t.Errorf("want address %v; got %v", want, got)
    29  		}
    30  	}
    31  }
    32
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