forked from qt-creator/qt-creator
89ff3cebe6
To distinguish known-to-be-undefined from a genuinely unknown value. Change-Id: I606b4ea4d726f94553400b8950d3c0a4e76564a8 Reviewed-by: Fawzi Mohamed <fawzi.mohamed@nokia.com>
72 lines
2.3 KiB
QML
72 lines
2.3 KiB
QML
import Qt 4.7
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Rectangle {
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function foo(k) {
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// k is a unknown value
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var s = ""
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var n = 0
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var N = null
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var u = undefined
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var b = true
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var o = {}
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if (s == s) {}
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if (s == n) {} // 126 15 16
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if (s == N) {} // ### should warn: always false
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if (s == u) {} // ### should warn: always false
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if (s == b) {} // 126 15 16
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if (s == o) {} // 126 15 16
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if (s == k) {} // 126 15 16
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if (n == s) {} // 126 15 16
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if (n == n) {}
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if (n == N) {} // ### should warn: always false
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if (n == u) {} // ### should warn: always false
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if (n == b) {} // 126 15 16
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if (n == o) {} // 126 15 16
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if (n == k) {} // 126 15 16
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if (N == s) {} // ### should warn: always false
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if (N == n) {} // ### should warn: always false
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if (N == N) {}
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if (N == u) {} // ### should warn: always true
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// ### should warn: always false
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if (N == b) {} // 126 15 16
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if (N == o) {} // ### should warn: always false
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if (N == k) {} // 126 15 16
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if (u == s) {} // ### should warn: always false
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if (u == n) {} // ### should warn: always false
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if (u == N) {} // ### should warn: always true
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if (u == u) {} // ### should warn: always true
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if (u == b) {} // ### should warn: always false
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if (u == o) {} // ### should warn: always false
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if (u == k) {} // 126 15 16
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if (b == s) {} // 126 15 16
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if (b == n) {} // 126 15 16
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// ### should warn: always false
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if (b == N) {} // 126 15 16
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if (b == u) {} // ### should warn: always false
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if (b == b) {}
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if (b == o) {} // 126 15 16
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if (b == k) {} // 126 15 16
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if (o == s) {} // 126 15 16
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if (o == n) {} // 126 15 16
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if (o == N) {} // ### should warn: always false
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if (o == u) {} // ### should warn: always false
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if (o == b) {} // 126 15 16
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if (o == o) {}
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if (o == k) {} // 126 15 16
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if (k == s) {} // 126 15 16
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if (k == n) {} // 126 15 16
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if (k == N) {} // 126 15 16
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if (k == u) {} // 126 15 16
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if (k == b) {} // 126 15 16
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if (k == o) {} // 126 15 16
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if (k == k) {} // 126 15 16
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}
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}
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