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-rw-r--r--test-suite/tests/symbols.test85
1 files changed, 84 insertions, 1 deletions
diff --git a/test-suite/tests/symbols.test b/test-suite/tests/symbols.test
index 5be2743b2..b6dbb9d59 100644
--- a/test-suite/tests/symbols.test
+++ b/test-suite/tests/symbols.test
@@ -1,6 +1,6 @@
;;;; symbols.test --- test suite for Guile's symbols -*- scheme -*-
;;;;
-;;;; Copyright (C) 2001, 2006, 2008 Free Software Foundation, Inc.
+;;;; Copyright (C) 2001, 2006, 2008, 2009 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
@@ -31,6 +31,79 @@
(define (documented? object)
(not (not (object-documentation object))))
+(define (symbol-length s)
+ (string-length (symbol->string s)))
+
+;;
+;; symbol internals
+;;
+
+(with-test-prefix "symbol internals"
+
+ (pass-if "length of new symbol same as stringbuf"
+ (let ((s 'def))
+ (= (symbol-length s) (assq-ref (%symbol-dump s) 'stringbuf-length))))
+
+ (pass-if "contents of new symbol same as stringbuf"
+ (let ((s 'ghi))
+ (string=? (symbol->string s)
+ (assq-ref (%symbol-dump s) 'stringbuf-chars))))
+
+ (pass-if "the null symbol is inlined"
+ (let ((s '#{}#))
+ (assq-ref (%symbol-dump s) 'stringbuf-inline)))
+
+ (pass-if "short Latin-1-encoded symbols are inlined"
+ (let ((s 'm))
+ (assq-ref (%symbol-dump s) 'stringbuf-inline)))
+
+ (pass-if "long Latin-1-encoded symbols are not inlined"
+ (let ((s 'x0123456789012345678901234567890123456789))
+ (not (assq-ref (%symbol-dump s) 'stringbuf-inline))))
+
+ (pass-if "short UCS-4-encoded symbols are not inlined"
+ (let ((s (string->symbol "\u0100")))
+ (not (assq-ref (%symbol-dump s) 'stringbuf-inline))))
+
+ (pass-if "long UCS-4-encoded symbols are not inlined"
+ (let ((s (string->symbol "\u010012345678901234567890123456789")))
+ (not (assq-ref (%symbol-dump s) 'stringbuf-inline))))
+
+ (with-test-prefix "hashes"
+
+ (pass-if "equal symbols have equal hashes"
+ (let ((s1 'mux)
+ (s2 'mux))
+ (= (assq-ref (%symbol-dump s1) 'hash)
+ (assq-ref (%symbol-dump s2) 'hash))))
+
+ (pass-if "different symbols have different hashes"
+ (let ((s1 'mux)
+ (s2 'muy))
+ (not (= (assq-ref (%symbol-dump s1) 'hash)
+ (assq-ref (%symbol-dump s2) 'hash))))))
+
+ (with-test-prefix "encodings"
+
+ (pass-if "the null symbol is Latin-1 encoded"
+ (let ((s '#{}#))
+ (not (assq-ref (%symbol-dump s) 'stringbuf-wide))))
+
+ (pass-if "ASCII symbols are Latin-1 encoded"
+ (let ((s 'jkl))
+ (not (assq-ref (%symbol-dump s) 'stringbuf-wide))))
+
+ (pass-if "Latin-1 symbols are Latin-1 encoded"
+ (let ((s (string->symbol "\xC0\xC1\xC2")))
+ (not (assq-ref (%symbol-dump s) 'stringbuf-wide))))
+
+ (pass-if "BMP symbols are UCS-4 encoded"
+ (let ((s (string->symbol "\u0100\u0101\x0102")))
+ (assq-ref (%symbol-dump s) 'stringbuf-wide)))
+
+ (pass-if "SMP symbols are UCS-4 encoded"
+ (let ((s (string->symbol "\U010300\u010301\x010302")))
+ (assq-ref (%symbol-dump s) 'stringbuf-wide)))))
;;;
;;; symbol?
@@ -47,6 +120,16 @@
(pass-if "symbol"
(symbol? 'foo)))
+;;;
+;;; wide symbols
+;;;
+
+(with-test-prefix "BMP symbols"
+
+ (pass-if "BMP symbol's string"
+ (and (= 4 (string-length "abc\u0100"))
+ (string=? "abc\u0100"
+ (symbol->string (string->symbol "abc\u0100"))))))
;;;
;;; symbol->string