Change behavior of stub_called_times

It now only ever returns the the number of times the stub has been
called. To assert if it has been called exactly X number of times, use
`stub_called_exact_times` instead.

test/stub_called_exactly_times-test.sh

@@ -0,0 +1,32 @@
+#! /usr/bin/env bash
+source "test-helper.sh"
+
+#
+# stub_called_exactly_times() tests.
+#
+
+# Setup.
+stub "uname"
+uname
+uname -r
+
+
+# Returns 0 when stub called exactly given number of times.
+assert_raises 'stub_called_exactly_times "uname" 2' 0
+
+# Returns 1 when stub has not been called the exact given number of times.
+assert_raises 'stub_called_exactly_times "uname" 4' 1
+assert_raises 'stub_called_exactly_times "uname" 3' 1
+assert_raises 'stub_called_exactly_times "uname" 1' 1
+assert_raises 'stub_called_exactly_times "uname" 0' 1
+
+# Behaves as if stub has not been called when the stub doesn't exist.
+assert_raises 'stub_called_exactly_times "top" 0' 0
+assert_raises 'stub_called_exactly_times "top" 1' 1
+
+# Teardown.
+restore "uname"
+
+
+# End of tests.
+assert_end "stub_called_times()"

test/stub_called_times-test.sh

@@ -29,14 +29,6 @@ stub "uname"
 assert 'stub_called_times "uname"' "0"
 restore "uname"
 
-# When given a second argument, asserts stub called X number of times.
-stub "uname"
-uname
-assert_raises 'stub_called_times "uname" 1' 0
-assert 'stub_called_times "uname" 1' ""
-assert_raises 'stub_called_times "uname" 3' 1
-assert 'stub_called_times "uname" 3' ""
-restore "uname"
 
 # End of tests.
 assert_end "stub_called_times()"

test/stub_called_with_exactly_times-test.sh

@@ -12,7 +12,7 @@ uname -r
 uname -r
 uname -r -a
 
-# Returns 0 when stub called exactly given number of times
+# Returns 0 when stub called exactly given number of times.
 assert_raises 'stub_called_with_exactly_times "uname" 2 -r' 0
 
 # Returns 1 when stub has not been called the exact given number of times.