diff options
Diffstat (limited to 'pkg/buffer/view_test.go')
-rw-r--r-- | pkg/buffer/view_test.go | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/pkg/buffer/view_test.go b/pkg/buffer/view_test.go deleted file mode 100644 index 37e652f16..000000000 --- a/pkg/buffer/view_test.go +++ /dev/null @@ -1,233 +0,0 @@ -// Copyright 2020 The gVisor Authors. -// -// 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 -// -// http://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 buffer - -import ( - "bytes" - "strings" - "testing" -) - -func TestView(t *testing.T) { - testCases := []struct { - name string - input string - output string - ops []func(*View) - }{ - // Prepend. - { - name: "prepend", - input: "world", - ops: []func(*View){ - func(v *View) { - v.Prepend([]byte("hello ")) - }, - }, - output: "hello world", - }, - { - name: "prepend fill", - input: strings.Repeat("1", bufferSize-1), - ops: []func(*View){ - func(v *View) { - v.Prepend([]byte("0")) - }, - }, - output: "0" + strings.Repeat("1", bufferSize-1), - }, - { - name: "prepend overflow", - input: strings.Repeat("1", bufferSize), - ops: []func(*View){ - func(v *View) { - v.Prepend([]byte("0")) - }, - }, - output: "0" + strings.Repeat("1", bufferSize), - }, - { - name: "prepend multiple buffers", - input: strings.Repeat("1", bufferSize-1), - ops: []func(*View){ - func(v *View) { - v.Prepend([]byte(strings.Repeat("0", bufferSize*3))) - }, - }, - output: strings.Repeat("0", bufferSize*3) + strings.Repeat("1", bufferSize-1), - }, - - // Append. - { - name: "append", - input: "hello", - ops: []func(*View){ - func(v *View) { - v.Append([]byte(" world")) - }, - }, - output: "hello world", - }, - { - name: "append fill", - input: strings.Repeat("1", bufferSize-1), - ops: []func(*View){ - func(v *View) { - v.Append([]byte("0")) - }, - }, - output: strings.Repeat("1", bufferSize-1) + "0", - }, - { - name: "append overflow", - input: strings.Repeat("1", bufferSize), - ops: []func(*View){ - func(v *View) { - v.Append([]byte("0")) - }, - }, - output: strings.Repeat("1", bufferSize) + "0", - }, - { - name: "append multiple buffers", - input: strings.Repeat("1", bufferSize-1), - ops: []func(*View){ - func(v *View) { - v.Append([]byte(strings.Repeat("0", bufferSize*3))) - }, - }, - output: strings.Repeat("1", bufferSize-1) + strings.Repeat("0", bufferSize*3), - }, - - // Truncate. - { - name: "truncate", - input: "hello world", - ops: []func(*View){ - func(v *View) { - v.Truncate(5) - }, - }, - output: "hello", - }, - { - name: "truncate multiple buffers", - input: strings.Repeat("1", bufferSize*2), - ops: []func(*View){ - func(v *View) { - v.Truncate(bufferSize*2 - 1) - }, - }, - output: strings.Repeat("1", bufferSize*2-1), - }, - { - name: "truncate multiple buffers to one buffer", - input: strings.Repeat("1", bufferSize*2), - ops: []func(*View){ - func(v *View) { - v.Truncate(5) - }, - }, - output: "11111", - }, - - // TrimFront. - { - name: "trim", - input: "hello world", - ops: []func(*View){ - func(v *View) { - v.TrimFront(6) - }, - }, - output: "world", - }, - { - name: "trim multiple buffers", - input: strings.Repeat("1", bufferSize*2), - ops: []func(*View){ - func(v *View) { - v.TrimFront(1) - }, - }, - output: strings.Repeat("1", bufferSize*2-1), - }, - { - name: "trim multiple buffers to one buffer", - input: strings.Repeat("1", bufferSize*2), - ops: []func(*View){ - func(v *View) { - v.TrimFront(bufferSize*2 - 1) - }, - }, - output: "1", - }, - - // Grow. - { - name: "grow", - input: "hello world", - ops: []func(*View){ - func(v *View) { - v.Grow(1, true) - }, - }, - output: "hello world", - }, - { - name: "grow from zero", - ops: []func(*View){ - func(v *View) { - v.Grow(1024, true) - }, - }, - output: strings.Repeat("\x00", 1024), - }, - { - name: "grow from non-zero", - input: strings.Repeat("1", bufferSize), - ops: []func(*View){ - func(v *View) { - v.Grow(bufferSize*2, true) - }, - }, - output: strings.Repeat("1", bufferSize) + strings.Repeat("\x00", bufferSize), - }, - } - - for _, tc := range testCases { - t.Run(tc.name, func(t *testing.T) { - // Construct the new view. - var view View - view.Append([]byte(tc.input)) - - // Run all operations. - for _, op := range tc.ops { - op(&view) - } - - // Flatten and validate. - out := view.Flatten() - if !bytes.Equal([]byte(tc.output), out) { - t.Errorf("expected %q, got %q", tc.output, string(out)) - } - - // Ensure the size is correct. - if len(out) != int(view.Size()) { - t.Errorf("size is wrong: expected %d, got %d", len(out), view.Size()) - } - }) - } -} |