@Test void testResolve() throws IOException { Properties p = PropertiesUtil.createFromString( "foo=foo\n" + "boo.foo=*${foo}*\n" + "zoo=${boo.${foo}}"); assertEquals(3, p.size()); assertNull(p.getProperty("xxx")); assertEquals("foo", p.getProperty("foo")); assertEquals("*${foo}*", p.getProperty("boo.foo")); assertNull(resolveProperty(p, "xxx")); assertEquals("foo", resolveProperty(p, "foo")); assertEquals("*foo*", resolveProperty(p, "boo.foo")); assertEquals("*foo*", resolveProperty(p, "zoo")); PropertiesUtil.resolveAllVariables(p); assertEquals(3, p.size()); assertEquals("foo", p.getProperty("foo")); assertEquals("*foo*", p.getProperty("boo.foo")); assertEquals("*foo*", p.getProperty("zoo")); }