| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package tests |
| |
| import ( |
| "bytes" |
| "encoding/binary" |
| "math" |
| "testing" |
| ) |
| |
| func verifyInputParser(t *testing.T, s string, expected []byte, handlesCount int) { |
| parser := &inputParser{} |
| b, h := parser.Parse(s) |
| if !bytes.Equal(b, expected) { |
| t.Fatalf("unexpected byte slice after parsing %v: expected %v, got %v", s, expected, b) |
| } |
| if len(h) != handlesCount { |
| t.Fatalf("unexpected handles count after parsing %v: expected %v, got %v", s, handlesCount, len(h)) |
| } |
| } |
| |
| func TestInputParser(t *testing.T) { |
| var buf []byte |
| buf = make([]byte, 1+2+4+8+1+1) |
| buf[0] = 0x10 |
| binary.LittleEndian.PutUint16(buf[1:], 65535) |
| binary.LittleEndian.PutUint32(buf[3:], 65536) |
| binary.LittleEndian.PutUint64(buf[7:], 0xFFFFFFFFFFFFFFFF) |
| buf[15] = 0 |
| buf[16] = 0xFF |
| verifyInputParser(t, "[u1]0x10 [u2]65535 [u4]65536 [u8]0xFFFFFFFFFFFFFFFF 0 0Xff", buf, 0) |
| |
| buf = make([]byte, 8+1+2+4) |
| binary.LittleEndian.PutUint64(buf[0:], math.MaxUint64-0x800+1) |
| buf[8] = math.MaxUint8 - 128 + 1 |
| binary.LittleEndian.PutUint16(buf[9:], 0) |
| binary.LittleEndian.PutUint32(buf[11:], math.MaxUint32-40+1) |
| verifyInputParser(t, "[s8]-0x800 [s1]-128\t[s2]+0 [s4]-40", buf, 0) |
| |
| buf = make([]byte, 1+1+1) |
| buf[0] = 11 |
| buf[1] = 0x80 |
| buf[2] = 0 |
| verifyInputParser(t, "[b]00001011 [b]10000000 \r [b]00000000", buf, 0) |
| |
| buf = make([]byte, 4+8) |
| binary.LittleEndian.PutUint32(buf[0:], math.Float32bits(+.3e9)) |
| binary.LittleEndian.PutUint64(buf[4:], math.Float64bits(-10.03)) |
| verifyInputParser(t, "[f]+.3e9 [d]-10.03", buf, 0) |
| |
| buf = make([]byte, 4+1+8+1) |
| binary.LittleEndian.PutUint32(buf[0:], 14) |
| buf[4] = 0 |
| binary.LittleEndian.PutUint64(buf[5:], 9) |
| buf[13] = 0 |
| verifyInputParser(t, "[dist4]foo 0 [dist8]bar 0 [anchr]foo [anchr]bar", buf, 0) |
| |
| buf = make([]byte, 8) |
| binary.LittleEndian.PutUint64(buf[0:], 2) |
| verifyInputParser(t, "[handles]50 [u8]2", buf, 50) |
| } |