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Diffstat (limited to 'internal/zlibx/decompress_test.go')
-rw-r--r--internal/zlibx/decompress_test.go170
1 files changed, 0 insertions, 170 deletions
diff --git a/internal/zlibx/decompress_test.go b/internal/zlibx/decompress_test.go
deleted file mode 100644
index bea348d2..00000000
--- a/internal/zlibx/decompress_test.go
+++ /dev/null
@@ -1,170 +0,0 @@
-package zlibx
-
-import (
- "bytes"
- stdzlib "compress/zlib"
- "crypto/rand"
- "testing"
-)
-
-func compressZlib(t *testing.T, payload []byte) []byte {
- t.Helper()
- var buf bytes.Buffer
- w := stdzlib.NewWriter(&buf)
- if _, err := w.Write(payload); err != nil {
- t.Fatalf("Write: %v", err)
- }
- if err := w.Close(); err != nil {
- t.Fatalf("Close: %v", err)
- }
- return buf.Bytes()
-}
-
-func TestDecompress(t *testing.T) {
- makeRand := func(n int) []byte {
- b := make([]byte, n)
- if _, err := rand.Read(b); err != nil {
- t.Fatalf("rand.Read: %v", err)
- }
- return b
- }
-
- type tc struct {
- name string
- payload []byte
- }
-
- tests := []tc{
- {
- name: "simple-hello",
- payload: []byte("hello, zlib world!"),
- },
- {
- name: "empty",
- payload: []byte{},
- },
- {
- name: "single-byte",
- payload: []byte{0x42},
- },
- {
- name: "all-zero-1k",
- payload: bytes.Repeat([]byte{0}, 1024),
- },
- {
- name: "all-FF-1k",
- payload: bytes.Repeat([]byte{0xFF}, 1024),
- },
- {
- name: "ascii-repeated-pattern",
- payload: bytes.Repeat([]byte("ABC123!"), 500),
- },
- {
- name: "binary-structured",
- payload: []byte{
- 0x00, 0x01, 0x02, 0x03,
- 0x10, 0x20, 0x30, 0x40,
- 0xFF, 0xEE, 0xDD, 0xCC,
- },
- },
- {
- name: "1k-crypto-random",
- payload: makeRand(1024),
- },
- {
- name: "32k-crypto-random",
- payload: makeRand(32 * 1024),
- },
- {
- name: "256k-crypto-random",
- payload: makeRand(256 * 1024),
- },
- {
- name: "highly-compressible-large",
- payload: bytes.Repeat([]byte("AAAAAAAAAAAAAAAAAAAA"), 50_000),
- },
- {
- name: "json",
- payload: []byte(`{"name":"test","values":[1,2,3,4],"deep":{"x":123,"y":"abc"}}`),
- },
- {
- name: "html",
- payload: []byte("<html><body><h1>Title</h1><p>Paragraph</p></body></html>"),
- },
- {
- name: "alternating-binary-pattern",
- payload: func() []byte {
- b := make([]byte, 4096)
- for i := 0; i < len(b); i++ {
- if i%2 == 0 {
- b[i] = 0xAA
- } else {
- b[i] = 0x55
- }
- }
- return b
- }(),
- },
- {
- name: "large-repetitive-words",
- payload: bytes.Repeat([]byte("the quick brown fox jumps over the lazy dog\n"), 4000),
- },
- {
- name: "unicode",
- payload: []byte("我不知道该说点啥就随便打点字吧🤷‍♀️"),
- },
- {
- name: "multi-meg-random-2MB",
- payload: makeRand(2 * 1024 * 1024),
- },
- {
- name: "multi-meg-random-16MB",
- payload: makeRand(16 * 1024 * 1024),
- },
- }
-
- for _, tt := range tests {
- t.Run(tt.name, func(t *testing.T) {
- compressed := compressZlib(t, tt.payload)
-
- out, err := Decompress(compressed)
- if err != nil {
- t.Fatalf("Decompress: %v", err)
- }
- defer out.Release()
-
- if !bytes.Equal(out.Bytes(), tt.payload) {
- t.Fatalf("payload mismatch: got %d bytes, want %d", len(out.Bytes()), len(tt.payload))
- }
- })
- }
-}
-
-func TestDecompressChecksumError(t *testing.T) {
- payload := []byte("checksum check")
- compressed := compressZlib(t, payload)
- compressed[len(compressed)-1] ^= 0xff
-
- if _, err := Decompress(compressed); err != ErrChecksum {
- t.Fatalf("expected ErrChecksum, got %v", err)
- }
-}
-
-func TestDecompressSizedUsesHint(t *testing.T) {
- payload := []byte("tiny payload")
- compressed := compressZlib(t, payload)
-
- const hint = 1 << 20
- out, _, err := DecompressSized(compressed, hint)
- if err != nil {
- t.Fatalf("DecompressSized: %v", err)
- }
- defer out.Release()
-
- if !bytes.Equal(out.Bytes(), payload) {
- t.Fatalf("unexpected payload %q", out.Bytes())
- }
- if cap(out.Bytes()) < hint {
- t.Fatalf("expected capacity >= %d, got %d", hint, cap(out.Bytes()))
- }
-}