Remove octal literals with a leading 0 (TIP #114)

Now an octal literal needs to be explicitly indicated with a leading
0o or 0O, otherwise the number is treated as decimal.

This patch also adds support for binary literals.
e.g. 0b101 0B1101

Signed-off-by: Steve Bennett <steveb@workware.net.au>

1 files changed, 39 insertions, 0 deletions

diff --git a/tests/expr-base.test b/tests/expr-base.test
new file mode 100644
index 0000000..5c9e1da
--- /dev/null
+++ b/tests/expr-base.test
@@ -0,0 +1,39 @@
+source [file dirname [info script]]/testing.tcl
+
+# Test number detection
+set good_testcases {
+	0			0
+	1			1
+	8			8
+	00			0
+	07			7
+	08			8
+	0x5			5
+	0x0			0
+	0x00		0
+	-0x5		-5
+	0b111		7
+	-0b111		-7
+	-0B101		-5
+	0o7			7
+}
+
+set i 0
+foreach {str exp} $good_testcases {
+	test expr-base-1.[incr i] "expr conversion" [list expr [list $str]] $exp
+}
+
+set bad_testcases {
+	{0x + 1}
+	x
+	0xx5
+	0x-5
+	{0x 5}
+	{0o8 + 1}
+}
+
+set i 0
+foreach str $bad_testcases {
+	test expr-base-2.[incr i] "expr conversion failure" -returnCodes error -body [list expr $str] -match glob -result "*"
+}
+testreport