vise/go/state/state_test.go

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package state
import (
"testing"
)
func TestNewStateFlags(t *testing.T) {
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st := NewState(5)
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if len(st.Flags) != 1 {
t.Errorf("invalid state flag length: %v", len(st.Flags))
}
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st = NewState(8)
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if len(st.Flags) != 1 {
t.Errorf("invalid state flag length: %v", len(st.Flags))
}
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st = NewState(17)
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if len(st.Flags) != 3 {
t.Errorf("invalid state flag length: %v", len(st.Flags))
}
}
func TestNewStateCache(t *testing.T) {
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st := NewState(17)
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if st.CacheSize != 0 {
t.Errorf("cache size not 0")
}
st = st.WithCacheSize(102525)
if st.CacheSize != 102525 {
t.Errorf("cache size not 102525")
}
}
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func TestStateCacheUse(t *testing.T) {
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st := NewState(17)
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st = st.WithCacheSize(10)
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st.Down("foo")
err := st.Add("bar", "baz", 0)
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if err != nil {
t.Error(err)
}
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err = st.Add("inky", "pinky", 0)
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if err != nil {
t.Error(err)
}
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err = st.Add("blinky", "clyde", 0)
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if err == nil {
t.Errorf("expected capacity error")
}
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}
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func TestStateDownUp(t *testing.T) {
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st := NewState(17)
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st.Down("one")
err := st.Add("foo", "bar", 0)
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if err != nil {
t.Error(err)
}
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err = st.Add("baz", "xyzzy", 0)
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if err != nil {
t.Error(err)
}
if st.CacheUseSize != 8 {
t.Errorf("expected cache use size 8 got %v", st.CacheUseSize)
}
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err = st.Up()
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if err != nil {
t.Error(err)
}
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err = st.Up()
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if err == nil {
t.Errorf("expected out of top frame error")
}
}
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func TestStateReset(t *testing.T) {
st := NewState(17)
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st.Down("one")
err := st.Add("foo", "bar", 0)
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if err != nil {
t.Error(err)
}
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err = st.Add("baz", "xyzzy", 0)
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if err != nil {
t.Error(err)
}
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st.Down("two")
st.Down("three")
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st.Reset()
if st.CacheUseSize != 0 {
t.Errorf("expected cache use size 0, got %v", st.CacheUseSize)
}
if st.Depth() != 1 {
t.Errorf("expected depth 1, got %v", st.Depth())
}
}
func TestStateLoadDup(t *testing.T) {
st := NewState(17)
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st.Down("one")
err := st.Add("foo", "bar", 0)
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if err != nil {
t.Error(err)
}
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st.Down("two")
err = st.Add("foo", "baz", 0)
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if err == nil {
t.Errorf("expected fail on duplicate load")
}
}