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Add test for FS::open("w+") #7241

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Merged
merged 2 commits into from
Apr 23, 2020
Merged

Add test for FS::open("w+") #7241

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ba3d5ca
Add test for FS::open("w+")
earlephilhower Apr 22, 2020
4c8b1a5
Merge branch 'master' into w+
devyte Apr 22, 2020
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Add test for FS::open("w+") 
Verify that a file is truncated on opening with w+ even if no data is
written to it, for all FSes.
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@earlephilhower
earlephilhower committed Apr 22, 2020
commit ba3d5ca6a002a32086dea33a367cf7d9c11abda6
13 changes: 13 additions & 0 deletions tests/host/fs/test_fs.inc
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Expand Up @@ -161,6 +161,19 @@ TEST_CASE(TESTPRE "truncate", TESTPAT)
REQUIRE( s == "some" );
}

TEST_CASE(TESTPRE "open(w+) truncates file", TESTPAT)
{
FS_MOCK_DECLARE(64, 8, 512, "");
REQUIRE(FSTYPE.begin());
createFile("/file1", "some text");
String s = readFile("/file1");
REQUIRE( s == "some text");
auto f = FSTYPE.open("/file1", "w+");
f.close();
String t = readFile("/file1");
REQUIRE( t == "");
}

#ifdef FS_HAS_DIRS

#if FSTYPE != SDFS
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