Reorganize tests and benchmark scripts.

Mainly to get rid of one top level directory. But this will
also be useful when there are tests of the embedding API.

test/language/module/change_imported_value/change_imported_value.wren

@@ -0,0 +1,11 @@
+import "module" for Module, Other
+
+IO.print(Module) // expect: before
+
+// Reassigning the variable in the other module does not affect this one's
+// binding.
+Other.change
+IO.print(Module) // expect: before
+
+// But it does change there.
+Other.show // expect: after

test/language/module/change_imported_value/module.wren

@@ -0,0 +1,12 @@
+// nontest
+var Module = "before"
+
+class Other {
+  static change {
+    Module = "after"
+  }
+
+  static show {
+    IO.print(Module)
+  }
+}

test/language/module/cyclic_import/a.wren

@@ -0,0 +1,9 @@
+// nontest
+IO.print("start a")
+
+var A = "a value"
+IO.print("a defined ", A)
+import "b" for B
+IO.print("a imported ", B)
+
+IO.print("end a")

test/language/module/cyclic_import/b.wren

@@ -0,0 +1,9 @@
+// nontest
+IO.print("start b")
+
+var B = "b value"
+IO.print("b defined ", B)
+import "a" for A
+IO.print("b imported ", A)
+
+IO.print("end b")

test/language/module/cyclic_import/cyclic_import.wren

@@ -0,0 +1,11 @@
+import "a"
+
+// Shared module should only run once:
+// expect: start a
+// expect: a defined a value
+// expect: start b
+// expect: b defined b value
+// expect: b imported a value
+// expect: end b
+// expect: a imported b value
+// expect: end a

test/language/module/implicitly_imports_core/implicitly_imports_core.wren

@@ -0,0 +1,15 @@
+import "module"
+// expect: Bool
+// expect: Class
+// expect: Fiber
+// expect: Fn
+// expect: List
+// expect: Map
+// expect: MapKeySequence
+// expect: MapValueSequence
+// expect: Null
+// expect: Num
+// expect: Object
+// expect: Range
+// expect: Sequence
+// expect: String

test/language/module/implicitly_imports_core/module.wren

@@ -0,0 +1,15 @@
+// nontest
+IO.print(Bool)
+IO.print(Class)
+IO.print(Fiber)
+IO.print(Fn)
+IO.print(List)
+IO.print(Map)
+IO.print(MapKeySequence)
+IO.print(MapValueSequence)
+IO.print(Null)
+IO.print(Num)
+IO.print(Object)
+IO.print(Range)
+IO.print(Sequence)
+IO.print(String)

test/language/module/inside_block/inside_block.wren

@@ -0,0 +1,10 @@
+var Module = "outer"
+
+if (true) {
+  import "module" for Module
+  // expect: ran module
+
+  IO.print(Module) // expect: from module
+}
+
+IO.print(Module) // expect: outer

test/language/module/inside_block/module.wren

@@ -0,0 +1,3 @@
+// nontest
+var Module = "from module"
+IO.print("ran module")

test/language/module/missing_for.wren

@@ -0,0 +1 @@
+import "module" NoString // expect error

test/language/module/missing_string_after_import.wren

@@ -0,0 +1 @@
+import for NoString // expect error

test/language/module/multiple_variables/module.wren

@@ -0,0 +1,8 @@
+// nontest
+var Module1 = "from module one"
+var Module2 = "from module two"
+var Module3 = "from module three"
+var Module4 = "from module four"
+var Module5 = "from module five"
+
+IO.print("ran module")

test/language/module/multiple_variables/multiple_variables.wren

@@ -0,0 +1,10 @@
+import "module" for Module1, Module2, Module3, Module4, Module5
+
+// Only execute module body once:
+// expect: ran module
+
+IO.print(Module1) // expect: from module one
+IO.print(Module2) // expect: from module two
+IO.print(Module3) // expect: from module three
+IO.print(Module4) // expect: from module four
+IO.print(Module5) // expect: from module five

test/language/module/name_collision.wren

@@ -0,0 +1,2 @@
+var Collides
+import "module" for Collides // expect error

test/language/module/no_variable/module.wren

@@ -0,0 +1,2 @@
+// nontest
+IO.print("ran module")

test/language/module/no_variable/no_variable.wren

@@ -0,0 +1,2 @@
+import "module"
+// expect: ran module

test/language/module/shared_import/a.wren

@@ -0,0 +1,5 @@
+// nontest
+IO.print("a")
+import "shared" for Shared
+var A = "a " + Shared
+IO.print("a done")

test/language/module/shared_import/b.wren

@@ -0,0 +1,5 @@
+// nontest
+IO.print("b")
+import "shared" for Shared
+var B = "b " + Shared
+IO.print("b done")

test/language/module/shared_import/shared.wren

@@ -0,0 +1,3 @@
+// nontest
+IO.print("shared")
+var Shared = "shared"

test/language/module/shared_import/shared_import.wren

@@ -0,0 +1,12 @@
+import "a" for A
+import "b" for B
+
+// Shared module should only run once:
+// expect: a
+// expect: shared
+// expect: a done
+// expect: b
+// expect: b done
+
+IO.print(A) // expect: a shared
+IO.print(B) // expect: b shared

test/language/module/simple_import/module.wren

@@ -0,0 +1,3 @@
+// nontest
+var Module = "from module"
+IO.print("ran module")

test/language/module/simple_import/simple_import.wren

@@ -0,0 +1,4 @@
+import "module" for Module
+// expect: ran module
+
+IO.print(Module) // expect: from module

test/language/module/unknown_module.wren

@@ -0,0 +1 @@
+import "does_not_exist" for DoesNotExist // expect runtime error: Could not find module 'does_not_exist'.

test/language/module/unknown_variable/module.wren

@@ -0,0 +1,3 @@
+// nontest
+var Module = "from module"
+IO.print("ran module")

test/language/module/unknown_variable/unknown_variable.wren

@@ -0,0 +1,3 @@
+// Should execute the module:
+// expect: ran module
+import "module" for DoesNotExist // expect runtime error: Could not find a variable named 'DoesNotExist' in module 'module'.