Re-root site.

common/conditionals_tests.fs

@@ -0,0 +1,80 @@
+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
+( Interpret time conditionals )
+
+e: test-1[if]
+  1 [IF]
+    : test ." hi" cr ;
+  [THEN]
+  test
+  out: hi
+;e
+
+e: test-0[if]
+  : test ." initial" cr ;
+  0 [IF]
+    : test ." hi" cr ;
+  [THEN]
+  test
+  out: initial
+;e
+
+e: test-1[if][else]
+  1 [IF]
+    : test ." hi" cr ;
+  [ELSE]
+    : test ." there" cr ;
+  [THEN]
+  test
+  out: hi
+;e
+
+e: test-0[if][else]
+  0 [IF]
+    : test ." hi" cr ;
+  [ELSE]
+    : test ." there" cr ;
+  [THEN]
+  test
+  out: there
+;e
+
+e: test-1[if]-nesting
+  1 [IF]
+    : test ." foo" cr ;
+  [ELSE]
+    1 [IF]
+      : test ." bar" cr ;
+    [ELSE]
+      : test ." baz" cr ;
+    [THEN]
+  [THEN]
+  test
+  out: foo
+;e
+
+e: test-0[if]-nesting
+  0 [IF]
+    1 [IF]
+      : test ." foo" cr ;
+    [ELSE]
+      : test ." bar" cr ;
+    [THEN]
+  [ELSE]
+    : test ." baz" cr ;
+  [THEN]
+  test
+  out: baz
+;e