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Merge pull request RoaringBitmap#322 from Oppen/frozen_support
Support CRoaring's frozen format
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| // +build 386,!appengine amd64,!appengine arm,!appengine arm64,!appengine ppc64le,!appengine mipsle,!appengine mips64le,!appengine mips64p32le,!appengine wasm,!appengine | ||
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| package roaring | ||
|
|
||
| import ( | ||
| "io/ioutil" | ||
| "reflect" | ||
| "testing" | ||
| ) | ||
|
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||
| func TestFrozenFormat(t *testing.T) { | ||
| tests := [...]struct{ | ||
| name, frozenPath, portablePath string | ||
| }{ | ||
| { | ||
| name: "bitmaps only", | ||
| frozenPath: "testfrozendata/bitmaps_only.frozen", | ||
| portablePath: "testfrozendata/bitmaps_only.portable", | ||
| }, | ||
| { | ||
| name: "arrays only", | ||
| frozenPath: "testfrozendata/arrays_only.frozen", | ||
| portablePath: "testfrozendata/arrays_only.portable", | ||
| }, | ||
| { | ||
| name: "runs only", | ||
| frozenPath: "testfrozendata/runs_only.frozen", | ||
| portablePath: "testfrozendata/runs_only.portable", | ||
| }, | ||
| { | ||
| name: "mixed", | ||
| frozenPath: "testfrozendata/mixed.frozen", | ||
| portablePath: "testfrozendata/mixed.portable", | ||
| }, | ||
| } | ||
|
|
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| for _, test := range tests { | ||
| // NOTE: opted for loading files twice rather than optimizing it because: | ||
| // 1. It's still cheap enough, it's small files; and | ||
| // 2. In a buggy scenario one of the tests may write into the buffer and cause | ||
| // a race condition, making it harder to figure out why the tests fail. | ||
| name, fpath, ppath := test.name, test.frozenPath, test.portablePath | ||
| t.Run("view " + name, func(t *testing.T) { | ||
| t.Parallel() | ||
|
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| frozenBuf, err := ioutil.ReadFile(fpath) | ||
| if err != nil { | ||
| t.Fatalf("failed to open %s: %s", fpath, err) | ||
| } | ||
| portableBuf, err := ioutil.ReadFile(ppath) | ||
| if err != nil { | ||
| t.Fatalf("failed to open %s: %s", ppath, err) | ||
| } | ||
|
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| frozen, portable := New(), New() | ||
| if err := frozen.FrozenView(frozenBuf); err != nil { | ||
| t.Fatalf("failed to load bitmap from %s: %s", fpath, err) | ||
| } | ||
| if _, err := portable.FromBuffer(portableBuf); err != nil { | ||
| t.Fatalf("failed to load bitmap from %s: %s", ppath, err) | ||
| } | ||
|
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| if !frozen.Equals(portable) { | ||
| t.Fatalf("bitmaps for %s and %s differ", fpath, ppath) | ||
| } | ||
| }) | ||
| t.Run("freeze " + name, func(t *testing.T) { | ||
| t.Parallel() | ||
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| frozenBuf, err := ioutil.ReadFile(fpath) | ||
| if err != nil { | ||
| t.Fatalf("failed to open %s: %s", fpath, err) | ||
| } | ||
| portableBuf, err := ioutil.ReadFile(ppath) | ||
| if err != nil { | ||
| t.Fatalf("failed to open %s: %s", ppath, err) | ||
| } | ||
|
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| portable := New() | ||
| if _, err := portable.FromBuffer(portableBuf); err != nil { | ||
| t.Fatalf("failed to load bitmap from %s: %s", ppath, err) | ||
| } | ||
|
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| frozenSize := portable.GetFrozenSizeInBytes() | ||
| if int(frozenSize) != len(frozenBuf) { | ||
| t.Errorf("size for serializing %s differs from %s's size", ppath, fpath) | ||
| } | ||
| frozen, err := portable.Freeze() | ||
| if err != nil { | ||
| t.Fatalf("can't freeze %s: %s", ppath, err) | ||
| } | ||
| if !reflect.DeepEqual(frozen, frozenBuf) { | ||
| t.Fatalf("frozen file for %s and %s differ", fpath, ppath) | ||
| } | ||
| }) | ||
| } | ||
| } |
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