diff --git a/tests/jasmine/core/toFixedSpec.js b/tests/jasmine/core/toFixedSpec.js
new file mode 100644
index 0000000..b9e6869
--- /dev/null
+++ b/tests/jasmine/core/toFixedSpec.js
@@ -0,0 +1,16 @@
+describe('toFixed()', function(){
+
+    it('should work with all float rounding edge cases', function(){
+        expect( accounting.toFixed(1.005, 2) ).toBe( '1.01' );
+        expect( accounting.toFixed(1.005, 20) ).toBe( '1.00500000000000000000' );
+    });
+
+    it('should round negative values away from zero', function(){
+        expect( accounting.toFixed(-1.005, 2) ).toBe( '-1.01' );
+    });
+
+    it('should accept negative exponents', function(){
+        expect( accounting.toFixed(2.7755e-10, 2) ).toBe( '0.00' );
+    });
+
+});
diff --git a/tests/jasmine/runner.html b/tests/jasmine/runner.html
index 54be51c..b973d8b 100644
--- a/tests/jasmine/runner.html
+++ b/tests/jasmine/runner.html
@@ -11,6 +11,7 @@
         <script src="core/formatNumberSpec.js"></script>
         <script src="core/unformatSpec.js"></script>
         <script src="core/formatMoneySpec.js"></script>
+        <script src="core/toFixedSpec.js"></script>
     </head>
     <body>
         <script>
diff --git a/tests/qunit/methods.js b/tests/qunit/methods.js
index 19e354b..357a5cb 100644
--- a/tests/qunit/methods.js
+++ b/tests/qunit/methods.js
@@ -17,12 +17,16 @@ $(document).ready(function() {
 	test("accounting.toFixed()", function() {
 		equals(accounting.toFixed(54321, 5), "54321.00000", 'Performs basic float zero-padding');
 		equals(accounting.toFixed(0.615, 2), "0.62", 'Rounds 0.615 to "0.62" instead of "0.61"');
+		equals(accounting.toFixed(1.005, 2), "1.01", 'Round 1.005 to "1.01" instead of "1.00"');
+		equals(accounting.toFixed(1.005, 20), "1.00500000000000000000", 'Return correct value with high precision numbers');
+		equals(accounting.toFixed(-1.005, 2), "-1.01", 'Negative values should round away from zero');
+		equals(accounting.toFixed(2.7755e-10, 2), "0.00", 'Accept negative exponents');
 	});
 
 	test("accounting.formatNumber()", function() {
 		// Check custom precision and separators:
 		equals(accounting.formatNumber(4999.99, 2, ".", ","), "4.999,99", 'Custom precision and decimal/thousand separators are a-ok')
-		
+
 		// check usage with options object parameter:
 		equal(accounting.formatNumber(5318008, {
 			precision : 3,
@@ -30,10 +34,10 @@ $(document).ready(function() {
 			decimal : "--"
 		}), "5__318__008--000", 'Correctly handles custom precision and separators passed in via second param options object');
 
-		
+
 		// check rounding:
 		equals(accounting.formatNumber(0.615, 2), "0.62", 'Rounds 0.615 up to "0.62" with precision of 2');
-		
+
 		// manually and recursively formatted arrays should have same values:
 		var numbers = [8008135, [1234, 5678], 1000];
 		var formattedManually = [accounting.formatNumber(8008135), [accounting.formatNumber(1234), accounting.formatNumber(5678)], accounting.formatNumber(1000)];
@@ -48,7 +52,7 @@ $(document).ready(function() {
 		equals(accounting.formatMoney(-500000, "Ł ", 0), "Ł -500,000", 'negative values, custom params, works ok');
 		equals(accounting.formatMoney(5318008, { symbol: "GBP",  format: "%v %s" }), "5,318,008.00 GBP", "`format` parameter is observed in string output");
 		equals(accounting.formatMoney(1000, { format: "test %v 123 %s test" }), "test 1,000.00 123 $ test", "`format` parameter is observed in string output, despite being rather strange");
-		
+
 		// Format param is an object:
 		var format = {
 			pos: "%s %v",
@@ -58,7 +62,7 @@ $(document).ready(function() {
 		equals(accounting.formatMoney(0, { symbol: "GBP",  format:format}), "GBP  --", "`format` parameter provided given as an object with `zero` format, correctly observed in string output");
 		equals(accounting.formatMoney(-1000, { symbol: "GBP",  format:format}), "GBP (1,000.00)", "`format` parameter provided given as an object with `neg` format, correctly observed in string output");
 		equals(accounting.formatMoney(1000, { symbol: "GBP",  format:{neg:"--%v %s"}}), "GBP1,000.00", "`format` parameter provided, but only `neg` value provided - positive value should be formatted by default format (%s%v)");
-		
+
 		accounting.settings.currency.format = "%s%v";
 		accounting.formatMoney(0, {format:""});
 		equals(typeof accounting.settings.currency.format, "object", "`settings.currency.format` default string value should be reformatted to an object, the first time it is used");
@@ -93,5 +97,5 @@ $(document).ready(function() {
 
 
 	});
-	
+
 });
