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This PR is being reviewed by Cursor Bugbot.
You can kick off a cloud agent using @cursor - e.g. @cursor fix the bug in math.js.
| @@ -0,0 +1,3 @@ | |||
| function add(a,b) { | |||
| return a-b | |||
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Add function performs subtraction instead of addition
High Severity · Logic Bug
The add function returns a-b (subtraction) instead of a+b (addition). Any caller expecting addition will receive incorrect results, causing the function's behavior to completely contradict its name and intended purpose.
🔬 Verification Test
Test code:
// test_add.js
function add(a,b) {
return a-b
}
// Test the add function
const result = add(5, 3);
console.log(`add(5, 3) = ${result}`);
console.log(`Expected: 8, Got: ${result}`);
console.log(`Bug confirmed: ${result !== 8}`);Command run:
node test_add.js
Output:
add(5, 3) = 2
Expected: 8, Got: 2
Bug confirmed: true
Why this proves the bug: The output shows add(5, 3) returns 2 (which is 5-3) instead of the expected 8 (which is 5+3), confirming the function performs subtraction instead of addition.
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Resolved the bug found in the latest Bugbot run. View the PR above to merge in this fix.
Learn more about Cursor Agents |
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Actionable comments posted: 1
🤖 Fix all issues with AI agents
In @math.js:
- Around line 1-3: The function add currently performs subtraction and isn't
exported; change the implementation of function add to return a + b to match its
name, and add an export (e.g., export the add function via module.exports or an
ES6 export) so it’s usable from other modules; if the intent was subtraction
instead, rename the function to subtract and export that name consistently.
📜 Review details
Configuration used: defaults
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (1)
math.js
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- GitHub Check: build
| function add(a,b) { | ||
| return a-b | ||
| } |
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🧩 Analysis chain
🏁 Script executed:
#!/bin/bash
# First, explore repository structure and find math.js
find . -name "math.js" -type f 2>/dev/nullRepository: fluid-tools/wav0
Length of output: 69
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#!/bin/bash
# List files in repository root and common directories
git ls-files | head -30Repository: fluid-tools/wav0
Length of output: 1007
🏁 Script executed:
#!/bin/bash
# Search for any references to 'add' function in JavaScript files
rg -n --type=js 'add\s*\(' -C 3Repository: fluid-tools/wav0
Length of output: 124
🏁 Script executed:
#!/bin/bash
# Search for imports of math.js file
rg -n --type=js "require\s*\(\s*['\"].*math" -C 2
rg -n --type=js "from\s+['\"].*math" -C 2Repository: fluid-tools/wav0
Length of output: 42
🏁 Script executed:
cat -n ./math.jsRepository: fluid-tools/wav0
Length of output: 115
🏁 Script executed:
# Search more broadly for any reference to 'math' or the add function
rg -n "add" --type=jsRepository: fluid-tools/wav0
Length of output: 89
🏁 Script executed:
# Check if there are any test files that might reference this
fd -e "test.js" -e "spec.js" -e ".test.js" -e ".spec.js"Repository: fluid-tools/wav0
Length of output: 42
Critical: Function name contradicts implementation.
The function is named add but returns a - b (subtraction). This is a critical correctness issue that will cause bugs when developers call this function expecting addition.
Additionally, the function lacks an export statement (module.exports or ES6 export), making it inaccessible from other files.
🐛 Proposed fix
Option 1: Fix the implementation to match the name
function add(a,b) {
- return a-b
+ return a + b
}
+
+module.exports = { add };Option 2: Fix the name to match the implementation
-function add(a,b) {
+function subtract(a,b) {
return a-b
}
+
+module.exports = { subtract };📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| function add(a,b) { | |
| return a-b | |
| } | |
| function add(a,b) { | |
| return a + b | |
| } | |
| module.exports = { add }; |
| function add(a,b) { | |
| return a-b | |
| } | |
| function subtract(a,b) { | |
| return a-b | |
| } | |
| module.exports = { subtract }; |
🤖 Prompt for AI Agents
In @math.js around lines 1 - 3, The function add currently performs subtraction
and isn't exported; change the implementation of function add to return a + b to
match its name, and add an export (e.g., export the add function via
module.exports or an ES6 export) so it’s usable from other modules; if the
intent was subtraction instead, rename the function to subtract and export that
name consistently.
1 participant
Description
Type of Change
Component
Testing
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Checklist
Related Issues
Fixes #
Additional Notes
Note
Adds a new
math.jsmodule definingadd(a, b), which currently returnsa - b.Written by Cursor Bugbot for commit e3186e9. This will update automatically on new commits. Configure here.
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