Add standard_version class

3 files changed, 333 insertions, 0 deletions

diff --git a/tests/standard-version/buildfile b/tests/standard-version/buildfile
new file mode 100644
index 0000000..4afb691
--- /dev/null
+++ b/tests/standard-version/buildfile
@@ -0,0 +1,7 @@
+# file      : tests/tab-parser/buildfile
+# copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+# license   : MIT; see accompanying LICENSE file
+
+exe{driver}: cxx{driver} ../../butl/lib{butl} test{testscript}
+
+include ../../butl/
diff --git a/tests/standard-version/driver.cxx b/tests/standard-version/driver.cxx
new file mode 100644
index 0000000..1299090
--- /dev/null
+++ b/tests/standard-version/driver.cxx
@@ -0,0 +1,136 @@
+// file      : tests/standard-version/driver.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <ios>       // ios::failbit, ios::badbit
+#include <string>
+#include <cassert>
+#include <iostream>
+#include <stdexcept> // invalid_argument
+
+#include <butl/utility>          // operator<<(ostream,exception)
+#include <butl/standard-version>
+
+using namespace std;
+using namespace butl;
+
+// Create standard version from string, and also test another ctors.
+//
+static standard_version
+version (const string& s)
+{
+  standard_version r (s);
+
+  try
+  {
+    standard_version v (r.epoch,
+                        r.version,
+                        r.snapshot ()
+                        ? r.string_snapshot ()
+                        : string (),
+                        r.revision);
+
+    assert (r == v);
+
+    if (r.epoch == 0 && r.revision == 0)
+    {
+      standard_version v (r.version,
+                          r.snapshot ()
+                          ? r.string_snapshot ()
+                          : string ());
+      assert (r == v);
+
+      if (!r.snapshot ())
+      {
+        standard_version v (r.version);
+        assert (r == v);
+      }
+    }
+
+    if (r.snapshot ())
+    {
+      standard_version v (r.epoch,
+                          r.version,
+                          r.snapshot_sn,
+                          r.snapshot_id,
+                          r.revision);
+      assert (r == v);
+    }
+
+  }
+  catch (const invalid_argument& e)
+  {
+    cerr << e << endl;
+    assert (false);
+  }
+
+  return r;
+}
+
+// Usages:
+//
+// argv[0] -a <version>
+// argv[0] -b <version>
+// argv[0] -c <version> <version>
+// argv[0]
+//
+// -a  output 'y' for alpha-version, 'n' otherwise
+// -b  output 'y' for beta-version, 'n' otherwise
+// -c  output 0 if versions are equal, -1 if the first one is less, 1 otherwise
+//
+// If no options are specified, then create versions from STDIN lines, and
+// print them to STDOUT.
+//
+int
+main (int argc, char* argv[])
+try
+{
+  cin.exceptions  (ios::badbit);
+  cout.exceptions (ios::failbit | ios::badbit);
+
+  if (argc > 1)
+  {
+    string o (argv[1]);
+
+    if (o == "-a")
+    {
+      assert (argc == 3);
+      char r (version (argv[2]).alpha ()
+              ? 'y'
+              : 'n');
+
+      cout << r << endl;
+    }
+    else if (o == "-b")
+    {
+      assert (argc == 3);
+      char r (version (argv[2]).beta ()
+              ? 'y'
+              : 'n');
+
+      cout << r << endl;
+    }
+    else if (o == "-c")
+    {
+      assert (argc == 4);
+
+      int r (version (argv[2]).compare (version (argv[3])));
+      cout << r << endl;
+    }
+    else
+      assert (false);
+
+    return 0;
+  }
+
+  string s;
+  while (getline (cin, s))
+    cout << version (s) << endl;
+
+  return 0;
+}
+catch (const invalid_argument& e)
+{
+  cerr << e << endl;
+  return 1;
+}
diff --git a/tests/standard-version/testscript b/tests/standard-version/testscript
new file mode 100644
index 0000000..335bed9
--- /dev/null
+++ b/tests/standard-version/testscript
@@ -0,0 +1,190 @@
+# file      : tests/standard-version/testscript
+# copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+# license   : MIT; see accompanying LICENSE file
+
+: valid
+:
+: Roundtrip version.
+:
+{
+  : non-prerelease
+  :
+  $* <<EOF >>EOF
+  1.2.3
+  EOF
+
+  : prerelease
+  :
+  {
+    : final
+    :
+    $* <<EOF >>EOF
+    1.2.3-a.1
+    1.2.3-b.1
+    EOF
+
+    : snapshot
+    :
+    $* <<EOF >>EOF
+    1.2.3-a.1.z
+    1.2.3-a.0.456
+    1.2.3-a.1.456.340c0a26a5ef
+    EOF
+  }
+
+  : revision
+  :
+  $* <<EOF >>EOF
+  1.2.3+4
+  1.2.3-a.4+5
+  1.2.3-a.4.z+5
+  1.2.3-a.4.567+8
+  1.2.3-a.4.567.340c0a26a5ef+8
+  EOF
+
+  : epoch
+  :
+  $* <<EOF >>EOF
+  4~1.2.3
+  EOF
+}
+
+: invalid
+:
+{
+  : major
+  :
+  $* <'a' 2>'invalid major version' == 1
+
+  : no-major-dot
+  :
+  $* <'1' 2>"'.' expected after major version" == 1
+
+  : minor
+  :
+  $* <'1.a' 2>'invalid minor version' == 1
+
+  : no-minor-dot
+  :
+  $* <'1.2' 2>"'.' expected after minor version" == 1
+
+  : bugfix
+  :
+  $* <'1.2.a' 2>'invalid bugfix version' == 1
+
+  : zero-version
+  :
+  $* <'1~0.0.0' 2>'0.0.0 version' == 1
+
+  : a-b-expected1
+  :
+  $* <'1.2.3-' 2>"'a' or 'b' expected in pre-release" == 1
+
+  : a-b-expected2
+  :
+  $* <'1.2.3-k' 2>"'a' or 'b' expected in pre-release" == 1
+
+  : prerelease-dot-expected
+  :
+  $* <'1.2.3-a' 2>"'.' expected after pre-release letter" == 1
+
+  : prerelease
+  :
+  $* <'1.2.3-a.b' 2>'invalid pre-release' == 1
+
+  : final-prerelease
+  :
+  $* <'1.2.3-b.0' 2>'invalid final pre-release' == 1
+
+  : snapshot-num
+  :
+  $* <'1.2.3-a.1.0' 2>'invalid snapshot number' == 1
+
+  : snapshot-id
+  :
+  $* <'1.2.3-a.1.1.@' 2>'invalid snapshot id' == 1
+
+  : revision
+  :
+  {
+    : non-prerelease
+    :
+    $* <'1.2.3+a' 2>'invalid revision' == 1
+
+    : prerelease
+    :
+    $* <'1.2.3-a.1+a' 2>'invalid revision' == 1
+
+    : snapshot-num
+    :
+    $* <'1.2.3-a.0.1+a' 2>'invalid revision' == 1
+
+    : snapshot-id
+    :
+    $* <'1.2.3-a.0.1.83jdgsf+0' 2>'invalid revision' == 1
+  }
+
+  : trailing-junk-after
+  :
+  {
+    : snapshot-num
+    :
+    $* <'1.2.3-a.1.z.a' 2>'junk after version' == 1
+
+    : revision
+    :
+    $* <'1.2.3-a.1.z+1a' 2>'junk after version' == 1
+  }
+}
+
+: alpha
+:
+{
+  test.options += -a
+
+  $* '1.2.3'       >n: non-prerelease
+  $* '1.2.3-b.1'   >n: beta
+  $* '1.2.3-a.1'   >y: final
+  $* '1.2.3-a.0.1' >y: snapshot
+}
+
+: beta
+:
+{
+  test.options += -b
+
+  $* '1.2.3'       >n: non-prerelease
+  $* '1.2.3-a.1'   >n: alpha
+  $* '1.2.3-b.1'   >y: final
+  $* '1.2.3-b.0.1' >y: snapshot
+}
+
+: compare
+:
+{
+  test.options += -c
+
+  : epoch
+  :
+  {
+    $* '4~1.2.3' '4~1.2.3' >'0' : equal
+    $* '1.2.4'   '4~1.2.3' >'-1': less
+  }
+
+  : non-prerelease
+  :
+  {
+    $* '1.2.3' '1.2.3' >'0'  : equal
+    $* '1.2.3' '1.2.4' >'-1' : less
+  }
+
+  : prerelease
+  :
+  {
+    $* '1.2.3-a.1'      '1.2.3-a.1'   >'0'  : equal
+    $* '1.2.3'          '1.2.3-a.1'   >'1'  : release-gt-prereleas
+    $* '1.2.3-a.2'      '1.2.3-b.1'   >'-1' : a-lt-b
+    $* '1.2.3-a.1'      '1.2.3-a.1.2' >'-1' : final-lt-snapshot
+    $* '1.2.3-a.1.2.xy' '1.2.3-a.1.2' >'0'  : ignore-snapshot-id
+  }
+}