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-rw-r--r--test/unit/util-test.js41
1 files changed, 41 insertions, 0 deletions
diff --git a/test/unit/util-test.js b/test/unit/util-test.js
new file mode 100644
index 000000000..7716e4872
--- /dev/null
+++ b/test/unit/util-test.js
@@ -0,0 +1,41 @@
+const assert = require('assert')
+const { sufficientBalance } = require('../../app/scripts/lib/util')
+
+
+describe.only('SufficientBalance', function () {
+ it('returns true if max tx cost is equal to balance.', function () {
+ const tx = {
+ 'value': '0x1',
+ 'gas': '0x2',
+ 'gasPrice': '0x3',
+ }
+ const balance = '0x8'
+
+ const result = sufficientBalance(tx, balance)
+ assert.ok(result, 'sufficient balance found.')
+ })
+
+ it('returns true if max tx cost is less than balance.', function () {
+ const tx = {
+ 'value': '0x1',
+ 'gas': '0x2',
+ 'gasPrice': '0x3',
+ }
+ const balance = '0x9'
+
+ const result = sufficientBalance(tx, balance)
+ assert.ok(result, 'sufficient balance found.')
+ })
+
+ it('returns false if max tx cost is more than balance.', function () {
+ const tx = {
+ 'value': '0x1',
+ 'gas': '0x2',
+ 'gasPrice': '0x3',
+ }
+ const balance = '0x6'
+
+ const result = sufficientBalance(tx, balance)
+ assert.ok(!result, 'insufficient balance found.')
+ })
+}) \ No newline at end of file