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modulemanager: Add plugin load filter that reads module metadata from source Metadata in modules is added using lines formatted as: --% key: value Where key is a valid identifier string, and value is also a string (leading and trailing whitespace are trimmed during parsing). The initial supported keys are: --% requires_core_features: feature1, feature2, ... --% conflicts_core_features: feature1, feature2. ... These 'features' map to features reported by the new core.features module. A benefit of this load-time metadata approach compared to e.g. something like module:requires()/module:conflicts() is that we can continue to look in module search paths for a suitable module. Aborting an already-loaded module due to a version conflict would be too late.

local units = require "util.human.units";

describe("util.human.units", function ()
	describe("format", function ()
		it("formats numbers with SI units", function ()
			assert.equal("1 km", units.format(1000, "m"));
			assert.equal("1 GJ", units.format(1000000000, "J"));
			assert.equal("1 ms", units.format(1/1000, "s"));
			assert.equal("10 ms", units.format(10/1000, "s"));
			assert.equal("1 ns", units.format(1/1000000000, "s"));
			assert.equal("1 KiB", units.format(1024, "B", 'b'));
			assert.equal("1 MiB", units.format(1024*1024, "B", 'b'));
		end);
	end);
end);