test compatibility

Author: scivision

Readme.md

@@ -15,10 +15,16 @@ Matlab R2019b is the minimum required due to use of
 syntax.
 URLs (e.g. https://, s3:// and similar) are treated as not existing.
 
-Self-tests can be run from the matlab-stdlib/ directory with Matlab R2023a or newer:
+Self-tests can be run from the matlab-stdlib/ directory:
 
 ```matlab
+%% Matlab R2023a or newer
 buildtool test
+
+
+%% Matlab R2021a or newer
+addpath .
+runtests("test")
 ```
 
 Functions requiring or optionally benefiting from MEX are indicated in the

test/TestHDF5.m

@@ -13,7 +13,8 @@
 
 methods(TestClassSetup)
 function setup_file(tc)
-import matlab.unittest.constraints.IsFile
+
+tc.assumeFalse(isMATLABReleaseOlderThan("R2022a"))
 
 td = tc.createTemporaryFolder();
 
@@ -53,7 +54,7 @@ function setup_file(tc)
 stdlib.h5save(bf, '/t/y', 13)
 stdlib.h5save(bf, '/j/a/b', 6)
 
-tc.assumeThat(bf, IsFile)
+tc.assumeThat(bf, matlab.unittest.constraints.IsFile)
 end
 end
 
@@ -214,12 +215,10 @@ function test_coerce(tc, type)
 
 
 function test_rewrite(tc)
-import matlab.unittest.constraints.IsFile
 basic = tc.TestData.basic;
 
 stdlib.h5save(basic, '/A2', 3*magic(4))
 
-tc.assumeThat(basic, IsFile)
 tc.verifyEqual(h5read(basic, '/A2'), 3*magic(4))
 end
 

test/TestHash.m

@@ -16,7 +16,7 @@ function java_required(tc)
 
 
 function test_hash_text(tc, Ph)
-import matlab.unittest.constraints.IsFile
+tc.assumeFalse(isMATLABReleaseOlderThan("R2022a"))
 
 td = tc.createTemporaryFolder();
 
@@ -27,7 +27,7 @@ function test_hash_text(tc, Ph)
 fprintf(fid, "hello");
 fclose(fid);
 
-tc.assumeThat(fn, IsFile)
+tc.assumeThat(fn, matlab.unittest.constraints.IsFile)
 
 tc.verifyEqual(stdlib.file_checksum(fn, Ph{1}), Ph{2})
 

test/TestJava.m

@@ -124,6 +124,7 @@ function test_is_regular_file(tc)
 
 
 function test_touch_modtime(tc)
+tc.assumeFalse(isMATLABReleaseOlderThan("R2022a"))
 
 tf = tc.createTemporaryFolder();
 

test/TestMex.m

@@ -27,6 +27,7 @@ function test_is_admin(tc)
 
 
 function test_unlink_file(tc)
+tc.assumeFalse(isMATLABReleaseOlderThan("R2022a"))
 tc.applyFixture(matlab.unittest.fixtures.CurrentFolderFixture(".."))
 tc.assumeEqual(exist("+stdlib/unlink", "file"), 3)
 
@@ -42,6 +43,7 @@ function test_unlink_file(tc)
 
 
 function test_unlink_empty_dir(tc)
+tc.assumeFalse(isMATLABReleaseOlderThan("R2022a"))
 tc.applyFixture(matlab.unittest.fixtures.CurrentFolderFixture(".."))
 tc.assumeEqual(exist("+stdlib/unlink", "file"), 3)
 
@@ -52,6 +54,7 @@ function test_unlink_empty_dir(tc)
 
 
 function test_unlink_recursive(tc)
+tc.assumeFalse(isMATLABReleaseOlderThan("R2022a"))
 tc.applyFixture(matlab.unittest.fixtures.CurrentFolderFixture(".."))
 tc.assumeEqual(exist("+stdlib/unlink", "file"), 3)
 

test/TestNetCDF.m

@@ -7,7 +7,8 @@
 methods (TestClassSetup)
 
 function setup_file(tc)
-import matlab.unittest.constraints.IsFile
+
+tc.assumeFalse(isMATLABReleaseOlderThan("R2022a"))
 
 td = tc.createTemporaryFolder();
 
@@ -50,7 +51,7 @@ function setup_file(tc)
 stdlib.ncsave(basic, '/t/y', 13)
 stdlib.ncsave(basic, '/j/a/b', 6)
 
-tc.assumeThat(basic, IsFile)
+tc.assumeThat(basic, matlab.unittest.constraints.IsFile)
 end
 end
 
@@ -194,13 +195,11 @@ function test_coerce(tc)
 
 
 function test_rewrite(tc)
-import matlab.unittest.constraints.IsFile
 basic = tc.TestData.basic;
 
 A2 = 3*magic(4);
 stdlib.ncsave(basic, "A2", A2, "dims", {'x2', size(A2,1), 'y2', size(A2,2)})
 
-tc.assumeThat(basic, IsFile)
 tc.verifyEqual(ncread(basic, 'A2'), 3*magic(4))
 end
 

test/TestPermissions.m

@@ -27,6 +27,8 @@ function test_set_permissions(tc)
 import matlab.unittest.constraints.StartsWithSubstring
 import matlab.unittest.fixtures.CurrentFolderFixture
 
+tc.assumeFalse(isMATLABReleaseOlderThan("R2022a"))
+
 tc.applyFixture(CurrentFolderFixture(".."))
 % matlab exist() doesn't work for MEX detection with ".." leading path
 

test/TestSubprocess.m

@@ -26,6 +26,7 @@ function test_simple_run(tc)
 
 
 function test_cwd(tc)
+tc.assumeFalse(isMATLABReleaseOlderThan("R2022a"))
 
 if ispc
   c = ["cmd", "/c", "dir"];

test/TestSymlink.m

@@ -13,6 +13,8 @@
 
 methods(TestClassSetup)
 function setup_symlink(tc)
+tc.assumeFalse(isMATLABReleaseOlderThan("R2022a"))
+
 tc.tempDir = tc.createTemporaryFolder();
 
 tc.link = tc.tempDir + "/my.lnk";