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wren/test/or.wren
2013-11-19 18:24:58 -08:00

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// Note: These tests implicitly depend on ints being truthy.
// Also rely on io.write() returning its argument.
// Return the first true argument.
io.write(1 || true) // expect: 1
io.write(false || 1) // expect: 1
io.write(false || false || true) // expect: true
// Return the last argument if all are false.
io.write(false || false) // expect: false
io.write(false || false || false) // expect: false
// Short-circuit at the first true argument.
io.write(false) || // expect: false
io.write(true) || // expect: true
io.write(true) // should not print
// Swallow a trailing newline.
io.write(true ||
true) // expect: true
// Only false is falsy.
io.write(0 || true) // expect: 0
io.write(null || true) // expect: null
io.write(("" || true) == "") // expect: true
io.write(false || true) // expect: true