Write brace tests

src/notcl.test.ts

@@ -88,7 +88,60 @@ b`)
       ).toEqual([true, []]));
   });
 
-  // Enchanted Words
+  describe("enchanted words", () => {
+    // Enchanted Words
+    //   simple words
+    //   not braces
+    //   not quotes
+    //   not variables
+    //   not commands
+    //   not backslashes
+    //   yes before folded newline
+    //   no before folded newline that gives us backslashes
+  });
+
+  describe("interpolated words", () => {});
+
+  describe("brace words", () => {
+    it("can parse empty braces", () =>
+      expect(parse("{}")).toEqual([true, [[{ text: "" }]]]));
+    it("can parse braces with text", () =>
+      expect(parse("{a b c}")).toEqual([true, [[{ text: "a b c" }]]]));
+    it("can parse nested braces", () =>
+      expect(parse("{{}}")).toEqual([true, [[{ text: "{}" }]]]));
+    it("can parse nested braces with text", () =>
+      expect(parse("{a{b}c}")).toEqual([true, [[{ text: "a{b}c" }]]]));
+
+    it.failing("doesn't count suppressed braces for nesting", () =>
+      expect(parse(String.raw`{a\{b}`)).toEqual([true, [[{ text: "a\\{b" }]]])
+    );
+    it.failing("doesn't count suppressed braces for unnesting", () =>
+      expect(parse(String.raw`{a\}b}`)).toEqual([true, [[{ text: "a\\}b" }]]])
+    );
+    it("nests braces after suppressed backslashes", () =>
+      expect(parse(String.raw`{a\\{b}}`)).toEqual([
+        true,
+        [[{ text: "a\\\\{b}" }]],
+      ]));
+
+    it("permits newlines in braces", () =>
+      expect(parse("{\n}")).toEqual([true, [[{ text: "\n" }]]]));
+    it("folds newlines in braces", () =>
+      expect(
+        parse(String.raw`{\
+}`)
+      ).toEqual([true, [[{ text: " " }]]]));
+    it("doesn't fold newlines in braces with escaped backslashes", () =>
+      expect(
+        parse(String.raw`{\\
+}`)
+      ).toEqual([true, [[{ text: "\\\\\n" }]]]));
+    it("folds newlines in braces with escaped backslashes", () =>
+      expect(
+        parse(String.raw`{\\\
+}`)
+      ).toEqual([true, [[{ text: "\\\\ " }]]]));
+  });
 
   // Braces
   //   nesting