Integrated: JDK-8278795: Create test library and tests for langtools snippets

[Jonathan Gibbons]

On Tue, 14 Dec 2021 19:58:47 GMT, Jonathan Gibbons <jjg at openjdk.org> wrote:

> Please review a test-only fix to provide a new test library for analyzing snippets, and two tests that use that library to test snippets in the `jdk.javadoc` and `jdk.compiler` modules.
> 
> It is expected that the library may evolve in future updates as we explore additional ways to analyze snippets.

This pull request has now been integrated.

Changeset: 9df200f7
Author:    Jonathan Gibbons <jjg at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/9df200f749e6326f1d4a22cca770284f38c2de8c
Stats:     804 lines in 3 files changed: 804 ins; 0 del; 0 mod

8278795: Create test library and tests for langtools snippets

Reviewed-by: hannesw

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PR: https://git.openjdk.java.net/jdk/pull/6839