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i6502/rom_test.go
Ariejan de Vroom 0e1d9eaa8f Add ROM Memory
2014-08-17 16:20:30 +02:00

40 lines
830 B
Go

package i6502
import (
"github.com/stretchr/testify/assert"
"testing"
)
func Test8kRoms(t *testing.T) {
rom, err := NewRom("test/8kb.rom")
assert.Nil(t, err)
assert.Equal(t, 0x2000, rom.Size())
assert.Equal(t, 0x01, rom.Read(0x0000))
assert.Equal(t, 0xFF, rom.Read(0x2000-1))
}
func TestRomWritePanic(t *testing.T) {
rom, _ := NewRom("test/8kb.rom")
// Writing to rom should panic
assert.Panics(t, func() {
rom.Write(0x1337, 0x42)
}, "Writing to Rom should panic")
}
func Test16kRom(t *testing.T) {
rom, err := NewRom("test/16kb.rom")
assert.Nil(t, err)
assert.Equal(t, 0x4000, rom.Size())
assert.Equal(t, 0x01, rom.Read(0x0000))
assert.Equal(t, 0xFF, rom.Read(0x4000-1))
}
func TestRomNotFound(t *testing.T) {
rom, err := NewRom("test/does-not-exists.rom")
assert.NotNil(t, err)
assert.Nil(t, rom)
}