wit: add additional name tests

Author: ydnar

wit/ident_test.go

@@ -24,6 +24,10 @@ func TestIdent(t *testing.T) {
 		{"%use:%own/%type", Ident{Namespace: "use", Package: "own", Extension: "type"}, false},
 		{"%use:%own/%[email protected]", Ident{Namespace: "use", Package: "own", Extension: "type", Version: semver.New("0.2.0")}, false},
 
+		// Mixed-case
+		{"ABC:def-GHI", Ident{Namespace: "ABC", Package: "def-GHI"}, false},
+		{"ABC1:def2-GHI3", Ident{Namespace: "ABC1", Package: "def2-GHI3"}, false},
+
 		// Errors
 		{"", Ident{}, true},
 		{":", Ident{}, true},
@@ -35,6 +39,14 @@ func TestIdent(t *testing.T) {
 		{"wasi:clocks@", Ident{}, true},
 		{"wasi:clocks/wall-clock@", Ident{}, true},
 		{"foo%:bar%baz", Ident{Namespace: "foo%", Package: "bar%baz"}, true},
+		{"-foo:bar", Ident{Namespace: "-foo", Package: "bar"}, true},
+		{"foo-:bar", Ident{Namespace: "foo-", Package: "bar"}, true},
+		{"foo--foo:bar", Ident{Namespace: "foo--foo", Package: "bar"}, true},
+		{"aBc:bar", Ident{Namespace: "aBc", Package: "bar"}, true},
+		{"1:2", Ident{Namespace: "1", Package: "2"}, true},
+		{"1a:2b", Ident{Namespace: "1a", Package: "2b"}, true},
+		{"foo-1:bar", Ident{Namespace: "foo-1", Package: "bar"}, true},
+		{"foo:bar-1", Ident{Namespace: "foo", Package: "bar-2"}, true},
 	}
 	for _, tt := range tests {
 		t.Run(tt.s, func(t *testing.T) {