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-rw-r--r--test/lisp/eshell/esh-util-tests.el65
1 files changed, 65 insertions, 0 deletions
diff --git a/test/lisp/eshell/esh-util-tests.el b/test/lisp/eshell/esh-util-tests.el
index afaf1b77f2b..ed841e96c7e 100644
--- a/test/lisp/eshell/esh-util-tests.el
+++ b/test/lisp/eshell/esh-util-tests.el
@@ -54,4 +54,69 @@
"Test that `eshell-stringify' correctly stringifies complex objects."
(should (equal (eshell-stringify (list 'quote 'hello)) "'hello")))
+(ert-deftest esh-util-test/eshell-convert-to-number/integer ()
+ "Test that `eshell-convert-to-number' correctly converts integers."
+ (should (equal (eshell-convert-to-number "123") 123))
+ (should (equal (eshell-convert-to-number "-123") -123))
+ ;; These are technially integers, since Emacs Lisp requires at least
+ ;; one digit after the "." to be a float:
+ (should (equal (eshell-convert-to-number "123.") 123))
+ (should (equal (eshell-convert-to-number "-123.") -123)))
+
+(ert-deftest esh-util-test/eshell-convert-to-number/floating-point ()
+ "Test that `eshell-convert-to-number' correctly converts floats."
+ (should (equal (eshell-convert-to-number "1.23") 1.23))
+ (should (equal (eshell-convert-to-number "-1.23") -1.23))
+ (should (equal (eshell-convert-to-number ".1") 0.1))
+ (should (equal (eshell-convert-to-number "-.1") -0.1)))
+
+(ert-deftest esh-util-test/eshell-convert-to-number/floating-point-exponent ()
+ "Test that `eshell-convert-to-number' correctly converts exponent notation."
+ ;; Positive exponent:
+ (dolist (exp '("e2" "e+2" "E2" "E+2"))
+ (should (equal (eshell-convert-to-number (concat "123" exp)) 12300.0))
+ (should (equal (eshell-convert-to-number (concat "-123" exp)) -12300.0))
+ (should (equal (eshell-convert-to-number (concat "1.23" exp)) 123.0))
+ (should (equal (eshell-convert-to-number (concat "-1.23" exp)) -123.0))
+ (should (equal (eshell-convert-to-number (concat "1." exp)) 100.0))
+ (should (equal (eshell-convert-to-number (concat "-1." exp)) -100.0))
+ (should (equal (eshell-convert-to-number (concat ".1" exp)) 10.0))
+ (should (equal (eshell-convert-to-number (concat "-.1" exp)) -10.0)))
+ ;; Negative exponent:
+ (dolist (exp '("e-2" "E-2"))
+ (should (equal (eshell-convert-to-number (concat "123" exp)) 1.23))
+ (should (equal (eshell-convert-to-number (concat "-123" exp)) -1.23))
+ (should (equal (eshell-convert-to-number (concat "1.23" exp)) 0.0123))
+ (should (equal (eshell-convert-to-number (concat "-1.23" exp)) -0.0123))
+ (should (equal (eshell-convert-to-number (concat "1." exp)) 0.01))
+ (should (equal (eshell-convert-to-number (concat "-1." exp)) -0.01))
+ (should (equal (eshell-convert-to-number (concat ".1" exp)) 0.001))
+ (should (equal (eshell-convert-to-number (concat "-.1" exp)) -0.001))))
+
+(ert-deftest esh-util-test/eshell-convert-to-number/floating-point/infinite ()
+ "Test that `eshell-convert-to-number' correctly converts infinite floats."
+ (should (equal (eshell-convert-to-number "1.0e+INF") 1.0e+INF))
+ (should (equal (eshell-convert-to-number "2.e+INF") 1.0e+INF))
+ (should (equal (eshell-convert-to-number "-1.0e+INF") -1.0e+INF))
+ (should (equal (eshell-convert-to-number "-2.e+INF") -1.0e+INF)))
+
+(ert-deftest esh-util-test/eshell-convert-to-number/floating-point/nan ()
+ "Test that `eshell-convert-to-number' correctly converts NaNs."
+ (should (equal (eshell-convert-to-number "1.0e+NaN") 1.0e+NaN))
+ (should (equal (eshell-convert-to-number "2.e+NaN") 2.0e+NaN))
+ (should (equal (eshell-convert-to-number "-1.0e+NaN") -1.0e+NaN))
+ (should (equal (eshell-convert-to-number "-2.e+NaN") -2.0e+NaN)))
+
+(ert-deftest esh-util-test/eshell-convert-to-number/non-numeric ()
+ "Test that `eshell-convert-to-number' does nothing to non-numeric values."
+ (should (equal (eshell-convert-to-number "foo") "foo"))
+ (should (equal (eshell-convert-to-number "") ""))
+ (should (equal (eshell-convert-to-number "123foo") "123foo")))
+
+(ert-deftest esh-util-test/eshell-convert-to-number/no-convert ()
+ "Test that `eshell-convert-to-number' does nothing when disabled."
+ (let ((eshell-convert-numeric-arguments nil))
+ (should (equal (eshell-convert-to-number "123") "123"))
+ (should (equal (eshell-convert-to-number "1.23") "1.23"))))
+
;;; esh-util-tests.el ends here