IntelliJ IDEA 2017.3 Help

Viewing Code Coverage Results

Viewing code coverage helps you detect pieces of your source code that are not affected by simulation.

To view code coverage results

  1. Do one of the following:
  2. View coverage results:
  3. Open in the editor the files you want to explore.
  4. Use the color indicators in the left gutter to detect the uncovered lines of code.
  5. To find out how many times a line has been hit, click the line in the gutter area.

    The pop-up window that opens shows the statistic for the line at caret. For lines with conditions, the pop-up window also provides statistic:

    py branch coverage

    Use the following toolbar buttons:

    • arrowUparrowDown: jump to the next/previous groups of covered or uncovered lines.
    • junitIcon: view JUnit tests that cover the line at caret.

      The test that covers the line at caret, is shown in a pop-up window:

      codeCoverage popup
    • show byte code: show byte code of the current class in a pop-up window:
      byte code
      • This button is only available, when Byte Code Viewer plugin that comes bundled with the product, is enabled.
      • When pinned, this pop-up window converts into the Byte Code Viewer.
    • settingsCoverage: open the Color Scheme settings, where you have to choose the node Line Coverage.
    • close: hide coverage information.
  6. Create missing tests, as described in the section Creating Tests.
Last modified: 6 March 2018

See Also