Re: [JGIT PATCH 8/8] Define a basic merge API, and a two-way tree merge strategy

> Hi, Shawn
> 
> Shouldn't testTrivialTwoWay_disjointhistories()  work?
> 
> The two trees have nothing in common and so should be trivially mergeable.
> 
> -- robin
> 
> From cef2695431e368da616a1e9c8de3e5e419854a4c Mon Sep 17 00:00:00 2001
> From: Robin Rosenberg <robin.rosenberg@dewire.com>
> Date: Thu, 23 Oct 2008 23:09:10 +0200
> Subject: [EGIT PATCH] Simple merge test
> 
> ---
>  .../org/spearce/jgit/merge/SimpleMergeTest.java    |   28 ++++++++++++++++++++
>  1 files changed, 28 insertions(+), 0 deletions(-)
>  create mode 100644 org.spearce.jgit.test/tst/org/spearce/jgit/merge/SimpleMergeTest.java
> 
> diff --git a/org.spearce.jgit.test/tst/org/spearce/jgit/merge/SimpleMergeTest.java b/org.spearce.jgit.test/tst/org/spearce/jgit/merge/SimpleMergeTest.java
> new file mode 100644
> index 0000000..8ec1c7f
> --- /dev/null
> +++ b/org.spearce.jgit.test/tst/org/spearce/jgit/merge/SimpleMergeTest.java
> @@ -0,0 +1,28 @@
> +package org.spearce.jgit.merge;
> +
> +import java.io.IOException;
> +
> +import org.spearce.jgit.lib.ObjectId;
> +import org.spearce.jgit.lib.RepositoryTestCase;
> +
> +public class SimpleMergeTest extends RepositoryTestCase {
> +
> +	public void testTrivialTwoWay_noway() throws IOException {
> +		Merger ourMerger = MergeStrategy.SIMPLE_TWO_WAY_IN_CORE.newMerger(db);
> +		boolean merge = ourMerger.merge(new ObjectId[] { db.resolve("a"), db.resolve("c") });
> +		assertFalse(merge);
> +	}
> +
> +	public void testTrivialTwoWay_disjointhistories() throws IOException {
> +		Merger ourMerger = MergeStrategy.SIMPLE_TWO_WAY_IN_CORE.newMerger(db);
> +		boolean merge = ourMerger.merge(new ObjectId[] { db.resolve("a"), db.resolve("c~4") });
> +		assertTrue(merge); 
> +	}
> +
> +	public void testTrivialTwoWay_ok() throws IOException {
> +		Merger ourMerger = MergeStrategy.SIMPLE_TWO_WAY_IN_CORE.newMerger(db);
> +		boolean merge = ourMerger.merge(new ObjectId[] { db.resolve("a^0^0^0"), db.resolve("a^0^0^1") });
> +		assertTrue(merge);
> +		assertEquals(db.mapTree("a^0^0").getId(), ourMerger.getResultTreeId());
> +	}
> +}