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/break/closure_in_for.wren

@@ -0,0 +1,9 @@
+var f
+for (i in [1, 2, 3]) {
+  var j = 4
+  f = new Fn { IO.print(i + j) }
+  break
+}
+
+f.call()
+// expect: 5

test/language/break/closure_in_while.wren

@@ -0,0 +1,9 @@
+var f
+while (true) {
+  var i = "i"
+  f = new Fn { IO.print(i) }
+  break
+}
+
+f.call()
+// expect: i

test/language/break/exit_local_scopes.wren

@@ -0,0 +1,18 @@
+for (i in 0..10) {
+  IO.print(i)
+
+  {
+    var a = "a"
+    {
+      var b = "b"
+      {
+        var c = "c"
+        if (i > 1) break
+      }
+    }
+  }
+}
+
+// expect: 0
+// expect: 1
+// expect: 2

test/language/break/in_for_loop.wren

@@ -0,0 +1,10 @@
+for (i in [1, 2, 3, 4, 5]) {
+  IO.print(i)
+  if (i > 2) break
+  IO.print(i)
+}
+// expect: 1
+// expect: 1
+// expect: 2
+// expect: 2
+// expect: 3

test/language/break/in_function_in_loop.wren

@@ -0,0 +1,7 @@
+var done = false
+while (!done) {
+  new Fn {
+    break // expect error
+  }
+  done = true
+}

test/language/break/in_method_in_loop.wren

@@ -0,0 +1,9 @@
+var done = false
+while (!done) {
+  class Foo {
+    method {
+      break // expect error
+    }
+  }
+  done = true
+}

test/language/break/in_while_loop.wren

@@ -0,0 +1,12 @@
+var i = 0
+while (true) {
+  i = i + 1
+  IO.print(i)
+  if (i > 2) break
+  IO.print(i)
+}
+// expect: 1
+// expect: 1
+// expect: 2
+// expect: 2
+// expect: 3

test/language/break/nested_for_loop.wren

@@ -0,0 +1,19 @@
+for (i in 0..2) {
+  IO.print("outer ", i)
+  if (i > 1) break
+
+  for (j in 0..2) {
+    IO.print("inner ", j)
+    if (j > 1) break
+  }
+}
+
+// expect: outer 0
+// expect: inner 0
+// expect: inner 1
+// expect: inner 2
+// expect: outer 1
+// expect: inner 0
+// expect: inner 1
+// expect: inner 2
+// expect: outer 2

test/language/break/nested_while_loop.wren

@@ -0,0 +1,25 @@
+var i = 0
+while (true) {
+  IO.print("outer ", i)
+  if (i > 1) break
+
+  var j = 0
+  while (true) {
+    IO.print("inner ", j)
+    if (j > 1) break
+
+    j = j + 1
+  }
+
+  i = i + 1
+}
+
+// expect: outer 0
+// expect: inner 0
+// expect: inner 1
+// expect: inner 2
+// expect: outer 1
+// expect: inner 0
+// expect: inner 1
+// expect: inner 2
+// expect: outer 2

test/language/break/outside_loop.wren

@@ -0,0 +1 @@
+break // expect error