branch: elpa/zig-mode
commit ad9f39818cfcd6600d9e833e3e4ef55fb166300e
Author: Matthew D. Steele <mdste...@alum.mit.edu>
Commit: Matthew D. Steele <mdste...@alum.mit.edu>
Add some font-lock tests
---
tests.el | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 87 insertions(+)
diff --git a/tests.el b/tests.el
index 9086175..2f81db3 100644
--- a/tests.el
+++ b/tests.el
@@ -4,6 +4,93 @@
(require 'zig-mode)
;;===========================================================================;;
+;; Font lock tests
+
+(defun zig-test-font-lock (code expected)
+ (let* ((fontified-code
+ (with-temp-buffer
+ (zig-mode)
+ (insert code)
+ (font-lock-fontify-buffer)
+ (buffer-string)))
+ (start 0)
+ (actual '()))
+ (while start
+ (let* ((end (next-single-property-change start 'face fontified-code))
+ (substring (substring-no-properties fontified-code start end))
+ (face (get-text-property start 'face fontified-code)))
+ (when face
+ (setq actual (cons (list substring face) actual)))
+ (setq start end)))
+ (should (equal expected (reverse actual)))))
+
+(ert-deftest test-font-lock-backslash-in-char-literal ()
+ (zig-test-font-lock
+ "const escaped = '\\'';"
+ '(("const" font-lock-keyword-face)
+ ("escaped" font-lock-variable-name-face)
+ ("'\\''" font-lock-string-face))))
+
+(ert-deftest test-font-lock-backslash-in-str-literal ()
+ (zig-test-font-lock
+ "\"This quote \\\" is escaped\""
+ '(("\"This quote \\\" is escaped\"" font-lock-string-face))))
+
+(ert-deftest test-font-lock-builtins ()
+ (zig-test-font-lock
+ "const std = @import(\"std\");"
+ '(("const" font-lock-keyword-face)
+ ("std" font-lock-variable-name-face)
+ ("@import" font-lock-builtin-face)
+ ("\"std\"" font-lock-string-face))))
+
+(ert-deftest test-font-lock-comments ()
+ (zig-test-font-lock
+ "
+// This is a normal comment\n
+/// This is a doc comment\n
+//// This is a normal comment again\n"
+ '(("// This is a normal comment\n" font-lock-comment-face)
+ ("/// This is a doc comment\n" font-lock-doc-face)
+ ("//// This is a normal comment again\n" font-lock-comment-face))))
+
+(ert-deftest test-font-lock-decl-const ()
+ (zig-test-font-lock
+ "const greeting = \"Hello, world!\";"
+ '(("const" font-lock-keyword-face)
+ ("greeting" font-lock-variable-name-face)
+ ("\"Hello, world!\"" font-lock-string-face))))
+
+(ert-deftest test-font-lock-decl-fn ()
+ (zig-test-font-lock
+ "fn plus1(value: u32) u32 { return value + 1; }"
+ '(("fn" font-lock-keyword-face)
+ ("plus1" font-lock-function-name-face)
+ ("value" font-lock-variable-name-face)
+ ("u32" font-lock-type-face)
+ ("u32" font-lock-type-face)
+ ("return" font-lock-keyword-face))))
+
+(ert-deftest test-font-lock-decl-var ()
+ (zig-test-font-lock
+ "var finished = false;"
+ '(("var" font-lock-keyword-face)
+ ("finished" font-lock-variable-name-face)
+ ("false" font-lock-constant-face))))
+
+(ert-deftest test-font-lock-multiline-str-literal ()
+ (zig-test-font-lock
+ "
+const python =
+ \\\\def main():
+ \\\\ print(\"Hello, world!\")
+;"
+ '(("const" font-lock-keyword-face)
+ ("python" font-lock-variable-name-face)
+ ("\\\\def main():\n" zig-multiline-string-face)
+ ("\\\\ print(\"Hello, world!\")\n" zig-multiline-string-face))))
+
+;;===========================================================================;;
;; Indentation tests
(defun zig-test-indent-region (original expected)
