Test invalid format detection.

d3 · Jun 15, 2015 · d63c35a · d63c35a
1 parent 61fe9a4
commit d63c35a
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Showing 2 changed files with 14 additions and 0 deletions.
diff --git a/test/format-test.js b/test/format-test.js
@@ -6,6 +6,13 @@ tape("format(specifier)(number) returns a string", function(test) {
   test.end();
 });
 
+tape("format(specifier) throws an error for invalid formats", function(test) {
+  test.throws(function() { format.format("foo"); }, /invalid format: foo/);
+  test.throws(function() { format.format(".-2s"); }, /invalid format: \.-2s/);
+  test.throws(function() { format.format(".f"); }, /invalid format: \.f/);
+  test.end();
+});
+
 tape("format(\",.\") unreasonable precision values are clamped to reasonable values", function(test) {
   test.equal(format.format(".30f")(0), "0.00000000000000000000");
   test.equal(format.format(".0g")(1), "1");

diff --git a/test/formatSpecifier-test.js b/test/formatSpecifier-test.js
@@ -1,6 +1,13 @@
 var tape = require("tape"),
     format = require("../");
 
+tape("formatSpecifier(specifier) throws an error for invalid formats", function(test) {
+  test.throws(function() { format.formatSpecifier("foo"); }, /invalid format: foo/);
+  test.throws(function() { format.formatSpecifier(".-2s"); }, /invalid format: \.-2s/);
+  test.throws(function() { format.formatSpecifier(".f"); }, /invalid format: \.f/);
+  test.end();
+});
+
 tape("formatSpecifier(\"\") has the expected defaults", function(test) {
   var s = format.formatSpecifier("");
   test.equal(s.fill, " ");