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198 lines
8.0 KiB
198 lines
8.0 KiB
// Copyright 2016 clair authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package dpkg
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import (
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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const (
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LESS = -1
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EQUAL = 0
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GREATER = 1
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)
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func TestParse(t *testing.T) {
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cases := []struct {
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str string
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ver version
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err bool
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}{
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// Test 0
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{"0", version{epoch: 0, version: "0", revision: ""}, false},
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{"0:0", version{epoch: 0, version: "0", revision: ""}, false},
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{"0:0-", version{epoch: 0, version: "0", revision: ""}, false},
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{"0:0-0", version{epoch: 0, version: "0", revision: "0"}, false},
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{"0:0.0-0.0", version{epoch: 0, version: "0.0", revision: "0.0"}, false},
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// Test epoched
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{"1:0", version{epoch: 1, version: "0", revision: ""}, false},
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{"5:1", version{epoch: 5, version: "1", revision: ""}, false},
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// Test multiple hypens
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{"0:0-0-0", version{epoch: 0, version: "0-0", revision: "0"}, false},
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{"0:0-0-0-0", version{epoch: 0, version: "0-0-0", revision: "0"}, false},
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// Test multiple colons
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{"0:0:0-0", version{epoch: 0, version: "0:0", revision: "0"}, false},
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{"0:0:0:0-0", version{epoch: 0, version: "0:0:0", revision: "0"}, false},
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// Test multiple hyphens and colons
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{"0:0:0-0-0", version{epoch: 0, version: "0:0-0", revision: "0"}, false},
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{"0:0-0:0-0", version{epoch: 0, version: "0-0:0", revision: "0"}, false},
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// Test valid characters in version
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{"0:09azAZ.-+~:_-0", version{epoch: 0, version: "09azAZ.-+~:_", revision: "0"}, false},
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// Test valid characters in debian revision
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{"0:0-azAZ09.+~_", version{epoch: 0, version: "0", revision: "azAZ09.+~_"}, false},
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// Test version with leading and trailing spaces
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{" 0:0-1", version{epoch: 0, version: "0", revision: "1"}, false},
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{"0:0-1 ", version{epoch: 0, version: "0", revision: "1"}, false},
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{" 0:0-1 ", version{epoch: 0, version: "0", revision: "1"}, false},
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// Test empty version
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{"", version{}, true},
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{" ", version{}, true},
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{"0:", version{}, true},
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// Test version with embedded spaces
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{"0:0 0-1", version{}, true},
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// Test version with negative epoch
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{"-1:0-1", version{}, true},
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// Test invalid characters in epoch
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{"a:0-0", version{}, true},
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{"A:0-0", version{}, true},
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// Test version not starting with a digit
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{"0:abc3-0", version{}, true},
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}
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for _, c := range cases {
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v, err := newVersion(c.str)
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if c.err {
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assert.Error(t, err, "When parsing '%s'", c.str)
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} else {
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assert.Nil(t, err, "When parsing '%s'", c.str)
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}
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assert.Equal(t, c.ver, v, "When parsing '%s'", c.str)
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}
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// Test invalid characters in version
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versym := []rune{'!', '#', '@', '$', '%', '&', '/', '|', '\\', '<', '>', '(', ')', '[', ']', '{', '}', ';', ',', '=', '*', '^', '\''}
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for _, r := range versym {
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_, err := newVersion(strings.Join([]string{"0:0", string(r), "-0"}, ""))
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assert.Error(t, err, "Parsing with invalid character '%s' in version should have failed", string(r))
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}
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// Test invalid characters in revision
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versym = []rune{'!', '#', '@', '$', '%', '&', '/', '|', '\\', '<', '>', '(', ')', '[', ']', '{', '}', ':', ';', ',', '=', '*', '^', '\''}
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for _, r := range versym {
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_, err := newVersion(strings.Join([]string{"0:0-", string(r)}, ""))
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assert.Error(t, err, "Parsing with invalid character '%s' in revision should have failed", string(r))
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}
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}
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func TestParseAndCompare(t *testing.T) {
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cases := []struct {
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v1 string
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expected int
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v2 string
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}{
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{"7.6p2-4", GREATER, "7.6-0"},
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{"1.0.3-3", GREATER, "1.0-1"},
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{"1.3", GREATER, "1.2.2-2"},
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{"1.3", GREATER, "1.2.2"},
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// Some properties of text strings
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{"0-pre", EQUAL, "0-pre"},
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{"0-pre", LESS, "0-pree"},
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{"1.1.6r2-2", GREATER, "1.1.6r-1"},
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{"2.6b2-1", GREATER, "2.6b-2"},
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{"98.1p5-1", LESS, "98.1-pre2-b6-2"},
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{"0.4a6-2", GREATER, "0.4-1"},
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{"1:3.0.5-2", LESS, "1:3.0.5.1"},
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// epochs
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{"1:0.4", GREATER, "10.3"},
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{"1:1.25-4", LESS, "1:1.25-8"},
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{"0:1.18.36", EQUAL, "1.18.36"},
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{"1.18.36", GREATER, "1.18.35"},
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{"0:1.18.36", GREATER, "1.18.35"},
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// Funky, but allowed, characters in upstream version
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{"9:1.18.36:5.4-20", LESS, "10:0.5.1-22"},
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{"9:1.18.36:5.4-20", LESS, "9:1.18.36:5.5-1"},
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{"9:1.18.36:5.4-20", LESS, " 9:1.18.37:4.3-22"},
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{"1.18.36-0.17.35-18", GREATER, "1.18.36-19"},
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// Junk
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{"1:1.2.13-3", LESS, "1:1.2.13-3.1"},
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{"2.0.7pre1-4", LESS, "2.0.7r-1"},
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// if a version includes a dash, it should be the debrev dash - policy says so
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{"0:0-0-0", GREATER, "0-0"},
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// do we like strange versions? Yes we like strange versions…
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{"0", EQUAL, "0"},
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{"0", EQUAL, "00"},
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// #205960
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{"3.0~rc1-1", LESS, "3.0-1"},
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// #573592 - debian policy 5.6.12
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{"1.0", EQUAL, "1.0-0"},
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{"0.2", LESS, "1.0-0"},
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{"1.0", LESS, "1.0-0+b1"},
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{"1.0", GREATER, "1.0-0~"},
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// "steal" the testcases from (old perl) cupt
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{"1.2.3", EQUAL, "1.2.3"}, // identical
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{"4.4.3-2", EQUAL, "4.4.3-2"}, // identical
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{"1:2ab:5", EQUAL, "1:2ab:5"}, // this is correct...
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{"7:1-a:b-5", EQUAL, "7:1-a:b-5"}, // and this
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{"57:1.2.3abYZ+~-4-5", EQUAL, "57:1.2.3abYZ+~-4-5"}, // and those too
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{"1.2.3", EQUAL, "0:1.2.3"}, // zero epoch
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{"1.2.3", EQUAL, "1.2.3-0"}, // zero revision
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{"009", EQUAL, "9"}, // zeroes…
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{"009ab5", EQUAL, "9ab5"}, // there as well
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{"1.2.3", LESS, "1.2.3-1"}, // added non-zero revision
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{"1.2.3", LESS, "1.2.4"}, // just bigger
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{"1.2.4", GREATER, "1.2.3"}, // order doesn't matter
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{"1.2.24", GREATER, "1.2.3"}, // bigger, eh?
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{"0.10.0", GREATER, "0.8.7"}, // bigger, eh?
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{"3.2", GREATER, "2.3"}, // major number rocks
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{"1.3.2a", GREATER, "1.3.2"}, // letters rock
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{"0.5.0~git", LESS, "0.5.0~git2"}, // numbers rock
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{"2a", LESS, "21"}, // but not in all places
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{"1.3.2a", LESS, "1.3.2b"}, // but there is another letter
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{"1:1.2.3", GREATER, "1.2.4"}, // epoch rocks
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{"1:1.2.3", LESS, "1:1.2.4"}, // bigger anyway
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{"1.2a+~bCd3", LESS, "1.2a++"}, // tilde doesn't rock
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{"1.2a+~bCd3", GREATER, "1.2a+~"}, // but first is longer!
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{"5:2", GREATER, "304-2"}, // epoch rocks
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{"5:2", LESS, "304:2"}, // so big epoch?
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{"25:2", GREATER, "3:2"}, // 25 > 3, obviously
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{"1:2:123", LESS, "1:12:3"}, // 12 > 2
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{"1.2-5", LESS, "1.2-3-5"}, // 1.2 < 1.2-3
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{"5.10.0", GREATER, "5.005"}, // preceding zeroes don't matters
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{"3a9.8", LESS, "3.10.2"}, // letters are before all letter symbols
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{"3a9.8", GREATER, "3~10"}, // but after the tilde
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{"1.4+OOo3.0.0~", LESS, "1.4+OOo3.0.0-4"}, // another tilde check
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{"2.4.7-1", LESS, "2.4.7-z"}, // revision comparing
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{"1.002-1+b2", GREATER, "1.00"}, // whatever...
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}
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var (
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p parser
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cmp int
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err error
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)
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for _, c := range cases {
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cmp, err = p.Compare(c.v1, c.v2)
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assert.Nil(t, err)
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assert.Equal(t, c.expected, cmp, "%s vs. %s, = %d, expected %d", c.v1, c.v2, cmp, c.expected)
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cmp, err = p.Compare(c.v2, c.v1)
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assert.Nil(t, err)
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assert.Equal(t, -c.expected, cmp, "%s vs. %s, = %d, expected %d", c.v2, c.v1, cmp, -c.expected)
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}
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}
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