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author | Elliott Hughes <enh@google.com> | 2021-06-14 13:46:35 -0700 |
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committer | Elliott Hughes <enh@google.com> | 2021-06-14 13:46:35 -0700 |
commit | a7aca0225b218bea25168000e960892e6cdc615c (patch) | |
tree | 0fbe2ca650c7361b7d2d5ee8e5341aa93b8d35c2 /go/zopflipng/zopflipng_test.go | |
parent | 54a67e9a8c3cc7999396a2fd884071066443e983 (diff) | |
parent | 831773bc28e318b91a3255fa12c9fcde1606058b (diff) | |
download | zopfli-a7aca0225b218bea25168000e960892e6cdc615c.tar.gz |
Upgrade zopfli to 831773bc28e318b91a3255fa12c9fcde1606058b
Test: make
Change-Id: I74d0b4845c2f385937969ed58add46099934cfb4
Diffstat (limited to 'go/zopflipng/zopflipng_test.go')
-rw-r--r-- | go/zopflipng/zopflipng_test.go | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/go/zopflipng/zopflipng_test.go b/go/zopflipng/zopflipng_test.go new file mode 100644 index 0000000..8f3d423 --- /dev/null +++ b/go/zopflipng/zopflipng_test.go @@ -0,0 +1,35 @@ +// Copyright 2019 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// https://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +package zopflipng + +import ( + "io/ioutil" + "testing" +) + +// TestCompress verifies that ZopfliPng compresses PNGs correctly. +func TestCompress(t *testing.T) { + path := "testdata/zoidberg.png" + contents, err := ioutil.ReadFile(path) + if err != nil { + t.Errorf("Failed to load testdata: %s", path) + } + compressed, err := Compress(contents) + if err != nil { + t.Error("ZopfliPNG failed: ", err) + } + if len(compressed) >= len(contents) { + t.Error("ZopfliPNG did not compress png") + } +} |