Add tests for E-expressions using simple system macros. (#100)

conformance/eexp/arg_inlining.ion

@@ -0,0 +1,15 @@
+// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+// Inlining of multiple return values into E-expression arguments.
+
+
+(ion_1_1 "Results of nested E-expressions are inlined into rest arguments"
+  (each (toplevel ('#$:make_list' 1 2 ('#$:values') 3 4))
+        (toplevel ('#$:make_list' 1 ('#$:values' 2 3) 4))
+        (toplevel ('#$:make_list' ('#$:values' 1 2 3 4)))
+        (produces [1, 2, 3, 4]))
+  (each (toplevel ('#$:make_sexp' 1 2 ('#$:values') 3 4))
+        (toplevel ('#$:make_sexp' 1 ('#$:values' 2 3) 4))
+        (toplevel ('#$:make_sexp' ('#$:values' 1 2 3 4)))
+        (produces (1 2 3 4))))

conformance/eexp/basic_system_macros.ion

@@ -0,0 +1,91 @@
+// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+
+// void
+
+(ion_1_1
+  (each (toplevel 1 ('#$:$ion:void') 2)
+        (toplevel 1 ('#$:$ion:0')    2)
+        (toplevel 1 ('#$:void')      2)
+        (produces 1                  2)))
+
+// TODO should this stay true?
+(ion_1_1
+  (toplevel 1 ('#$:$ion:void' true ('#$:void' false)) 2)
+  (produces 1 2))
+
+
+// values
+
+(ion_1_1
+  (each (toplevel 1 ('#$:$ion:values') 2)
+        (toplevel 1 ('#$:$ion:1')      2)
+        (toplevel 1 ('#$:values')      2)
+        (produces 1                    2))
+  (each (toplevel 1 ('#$:$ion:values' a) 2)
+        (toplevel 1 ('#$:$ion:1'      a) 2)
+        (toplevel 1 ('#$:values'      a) 2)
+        (produces 1                   a  2))
+  (each (toplevel 1 ('#$:$ion:values' a b) 2)
+        (toplevel 1 ('#$:$ion:1'      a b) 2)
+        (toplevel 1 ('#$:values'      a b) 2)
+        (produces 1                   a b  2)))
+
+
+// make_string
+
+// TODO Error when argument isn't text
+
+(ion_1_1
+  (each (toplevel ('#$:make_string'))
+        (toplevel ('#$:make_string' ""))
+        (toplevel ('#$:make_string' ''))
+        (produces ""))
+  // accepts both strings and symbols
+  (each (toplevel ('#$:make_string' "a" "b"))
+        (toplevel ('#$:make_string'  a   b ))
+        (toplevel ('#$:make_string' "a"  b ))
+        (toplevel ('#$:make_string'  a  "b"))
+        (produces "ab"))
+  // null.string and null.symbol act like ""
+  (each (toplevel ('#$:make_string' null.string "ab" null.symbol ""))
+        (toplevel ('#$:make_string' "a" null.string 'b' null.symbol))
+        (toplevel ('#$:make_string' null.symbol "a" null.string "b"))
+        (produces "ab")))
+
+
+// make_symbol
+
+// TODO Error when argument isn't text
+
+(ion_1_1
+  (each (toplevel ('#$:make_symbol'))
+        (toplevel ('#$:make_symbol' ""))
+        (toplevel ('#$:make_symbol' ''))
+        (produces ''))
+  // accepts both strings and symbols
+  (each (toplevel ('#$:make_symbol' "a" "b"))
+        (toplevel ('#$:make_symbol'  a   b ))
+        (toplevel ('#$:make_symbol' "a"  b ))
+        (toplevel ('#$:make_symbol'  a  "b"))
+        (produces 'ab'))
+  // null.string and null.symbol act like ""
+  (each (toplevel ('#$:make_symbol' null.string "ab" null.symbol ""))
+        (toplevel ('#$:make_symbol' "a" null.string 'b' null.symbol))
+        (toplevel ('#$:make_symbol' null.symbol "a" null.string "b"))
+        (produces 'ab')))
+
+
+// make_list
+
+(ion_1_1
+  (toplevel ('#$:$ion:make_list') ('#$:$ion:make_list' 1 2))
+  (produces [] [1, 2]))
+
+
+// make_sexp
+
+(ion_1_1
+  (toplevel ('#$:$ion:make_sexp') ('#$:$ion:make_sexp' 1 2))
+  (produces () (1 2)))

conformance/eexp/element_inlining.ion

@@ -0,0 +1,20 @@
+// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+// Inlining of multiple return values into container elements.
+
+
+(ion_1_1
+  (each (toplevel [1, 2, ('#$:values'), 3, 4])
+        (toplevel [1, ('#$:values' 2), ('#$:values' 3), 4])
+        (toplevel [1, ('#$:values' 2 3), 4])
+        (toplevel [('#$:values' 1 2 3 4)])
+        (produces [1, 2, 3, 4]))
+  (each (toplevel (1 2 ('#$:values') 3 4))
+        (toplevel (1 ('#$:values' 2) ('#$:values' 3) 4))
+        (toplevel (1 ('#$:values' 2 3) 4))
+        (toplevel ( ('#$:values' 1 2 3 4) ))
+        (produces (1 2 3 4))))
+
+// TODO Inlining into structs.
+//   We don't have a way for `toplevel` to express things like { (:foo) }