Coverage - Test going back when you can't.

diff --git a/tests/backfail.chk b/tests/backfail.chk
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+++ b/tests/backfail.chk
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+
+Welcome to Adventure!!  Would you like instructions?
+
+> n
+
+You are standing at the end of a road before a small brick building.
+Around you is a forest.  A small stream flows out of the building and
+down a gully.
+
+> back
+
+You can't get there from here.
+
+You're in front of building.
+
+
+You scored 32 out of a possible 430, using 1 turn.
+
+You are obviously a rank amateur.  Better luck next time.
+
+To achieve the next higher rating, you need 14 more points.

diff --git a/tests/backfail.log b/tests/backfail.log
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+++ b/tests/backfail.log
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+## Go back more times than you ought to be able to
+n
+back

diff --git a/tests/backfailmaze.chk b/tests/backfailmaze.chk
new file mode 100644 (file)
index 0000000..c46b977
--- /dev/null
+++ b/tests/backfailmaze.chk
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+
+Welcome to Adventure!!  Would you like instructions?
+
+> n
+
+You are standing at the end of a road before a small brick building.
+Around you is a forest.  A small stream flows out of the building and
+down a gully.
+
+> seed 1071883378
+Seed set to 1071883378
+
+You're in front of building.
+
+> in
+
+You are inside a building, a well house for a large spring.
+
+There are some keys on the ground here.
+
+There is a shiny brass lamp nearby.
+
+There is food here.
+
+There is a bottle of water here.
+
+> take lamp
+
+OK
+
+> say xyzzy
+
+>>Foof!<<
+
+It is now pitch dark.  If you proceed you will likely fall into a pit.
+
+> take rod
+
+OK
+
+> e
+
+You are crawling over cobbles in a low passage.  There is a dim light
+at the east end of the passage.
+
+There is a small wicker cage discarded nearby.
+
+> take cage
+
+OK
+
+> w
+
+It is now pitch dark.  If you proceed you will likely fall into a pit.
+
+> on
+
+Your lamp is now on.
+
+You are in a debris room filled with stuff washed in from the surface.
+A low wide passage with cobbles becomes plugged with mud and debris
+here, but an awkward canyon leads upward and west.  In the mud someone
+has scrawled, "MAGIC WORD XYZZY".
+
+> w
+
+You are in an awkward sloping east/west canyon.
+
+> w
+
+You are in a splendid chamber thirty feet high.  The walls are frozen
+rivers of orange stone.  An awkward canyon and a good passage exit
+from east and west sides of the chamber.
+
+A cheerful little bird is sitting here singing.
+
+> drop rod
+
+OK
+
+> take bird
+
+OK
+
+> take rod
+
+OK
+
+> w
+
+At your feet is a small pit breathing traces of white mist.  An east
+passage ends here except for a small crack leading on.
+
+Rough stone steps lead down the pit.
+
+> free bird
+
+OK
+
+> wave rod
+
+The bird flies about agitatedly for a moment, then disappears through
+the crack.  It reappears shortly, carrying in its beak a jade
+necklace, which it drops at your feet.
+
+> drop rod
+
+OK
+
+> take bird
+
+OK
+
+> take jade
+
+OK
+
+> e
+
+You're in bird chamber.
+
+> e
+
+You are in an awkward sloping east/west canyon.
+
+> e
+
+You're in debris room.
+
+> off
+
+Your lamp is now off.
+
+It is now pitch dark.  If you proceed you will likely fall into a pit.
+
+> xyzzy
+
+>>Foof!<<
+
+You're inside building.
+
+There are some keys on the ground here.
+
+There is food here.
+
+There is a bottle of water here.
+
+> drop jade
+
+OK
+
+> xyzzy
+
+>>Foof!<<
+
+It is now pitch dark.  If you proceed you will likely fall into a pit.
+
+> on
+
+Your lamp is now on.
+
+You're in debris room.
+
+> w
+
+You are in an awkward sloping east/west canyon.
+
+> w
+
+You're in bird chamber.
+
+> w
+
+You're at top of small pit.
+
+A three foot black rod with a rusty star on an end lies nearby.
+
+Rough stone steps lead down the pit.
+
+> take rod
+
+OK
+
+> d
+
+You are at one end of a vast hall stretching forward out of sight to
+the west.  There are openings to either side.  Nearby, a wide stone
+staircase leads downward.  The hall is filled with wisps of white mist
+swaying to and fro almost as if alive.  A cold wind blows up the
+staircase.  There is a passage at the top of a dome behind you.
+
+Rough stone steps lead up the dome.
+
+> w
+
+You are on the east bank of a fissure slicing clear across the hall.
+The mist is quite thick here, and the fissure is too wide to jump.
+
+> wave rod
+
+The bird flies agitatedly about the cage.
+
+A crystal bridge now spans the fissure.
+
+> drop rod
+
+OK
+
+> ew
+
+Sorry, I don't know the word "EW".
+
+> w
+
+You are on the west side of the fissure in the Hall of Mists.
+
+There are diamonds here!
+
+A crystal bridge now spans the fissure.
+
+> w
+
+You are at the west end of the Hall of Mists.  A low wide crawl
+continues west and another goes north.  To the south is a little
+passage 6 feet off the floor.
+
+> s
+
+You are in a maze of twisty little passages, all alike.
+
+> s
+
+You are in a maze of twisty little passages, all alike.
+
+> s
+
+Dead end
+
+> n
+
+There is no way to go that direction.
+
+Dead end
+
+> look
+
+Sorry, but I am not allowed to give more detail.  I will repeat the
+long description of your location.
+
+Dead end
+
+> w
+
+There is no way to go that direction.
+
+Dead end
+
+> e
+
+You are in a maze of twisty little passages, all alike.
+
+> e
+
+Dead end
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> n
+
+You are in a maze of twisty little passages, all alike.
+
+> n
+
+There is no way to go that direction.
+
+You are in a maze of twisty little passages, all alike.
+
+> sw
+
+There is no way to go that direction.
+
+You are in a maze of twisty little passages, all alike.
+
+> up
+
+There is no way to go that direction.
+
+A little dwarf just walked around a corner, saw you, threw a little
+axe at you which missed, cursed, and ran away.
+
+You are in a maze of twisty little passages, all alike.
+
+There is a little axe here.
+
+> take axe
+
+OK
+
+> e
+
+You are in a maze of twisty little passages, all alike.
+
+> e
+
+Dead end
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+There is a threatening little dwarf in the room with you!
+
+You are in a maze of twisty little passages, all alike.
+
+> throw axe
+
+You attack a little dwarf, but he dodges out of the way.
+
+There is a threatening little dwarf in the room with you!
+
+One sharp nasty knife is thrown at you!
+
+It misses!
+
+You are in a maze of twisty little passages, all alike.
+
+There is a little axe here.
+
+> take axe
+
+OK
+
+> w
+
+There is a threatening little dwarf in the room with you!
+
+One sharp nasty knife is thrown at you!
+
+It misses!
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+There is a threatening little dwarf in the room with you!
+
+One sharp nasty knife is thrown at you!
+
+It misses!
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+There is a threatening little dwarf in the room with you!
+
+One sharp nasty knife is thrown at you!
+
+It misses!
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+There is a threatening little dwarf in the room with you!
+
+One sharp nasty knife is thrown at you!
+
+It misses!
+
+You are in a maze of twisty little passages, all alike.
+
+> throw axe
+
+You attack a little dwarf, but he dodges out of the way.
+
+There is a threatening little dwarf in the room with you!
+
+One sharp nasty knife is thrown at you!
+
+It misses!
+
+You are in a maze of twisty little passages, all alike.
+
+There is a little axe here.
+
+> take axe
+
+OK
+
+> throw axe
+
+You attack a little dwarf, but he dodges out of the way.
+
+There is a threatening little dwarf in the room with you!
+
+One sharp nasty knife is thrown at you!
+
+It misses!
+
+You are in a maze of twisty little passages, all alike.
+
+There is a little axe here.
+
+> take axe
+
+OK
+
+> throw axe
+
+You killed a little dwarf.  The body vanishes in a cloud of greasy
+black smoke.
+
+You are in a maze of twisty little passages, all alike.
+
+There is a little axe here.
+
+> take axe
+
+OK
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> n
+
+You are in a maze of twisty little passages, all alike.
+
+> s
+
+You are in a maze of twisty little passages, all alike.
+
+> e
+
+Dead end
+
+> w
+
+You are in a maze of twisty little passages, all alike.
+
+> n
+
+You are in a maze of twisty little passages, all alike.
+
+> s
+
+You are in a maze of twisty little passages, all alike.
+
+> e
+
+You are in a maze of twisty little passages, all alike.
+
+> back
+
+Sorry, but the path twisted and turned so much that I can't figure
+out which way to go to get back.
+
+You are in a maze of twisty little passages, all alike.
+
+Do you need help getting out of the maze?
+

diff --git a/tests/backfailmaze.log b/tests/backfailmaze.log
new file mode 100644 (file)
index 0000000..fb46ea0
--- /dev/null
+++ b/tests/backfailmaze.log
@@ -0,0 +1,116 @@
+## Try to go back in the maze, and fail
+n
+seed 1071883378
+in
+take lamp
+say xyzzy
+take rod
+e
+take cage
+w
+on
+w
+w
+drop rod
+take bird
+take rod
+w
+free bird
+wave rod
+drop rod
+take bird
+take jade
+e
+e
+e
+off
+xyzzy
+drop jade
+xyzzy
+on
+w
+w
+w
+take rod
+d
+w
+wave rod
+drop rod
+ew
+w
+w
+s
+s
+s
+n
+look
+w
+e
+e
+w
+n
+n
+sw
+up
+take axe
+e
+e
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+throw axe
+take axe
+w
+w
+w
+w
+throw axe
+take axe
+throw axe
+take axe
+throw axe
+take axe
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+w
+n
+s
+e
+w
+n
+s
+e
+back
\ No newline at end of file