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test: check that size argument errors are emitted at call site
Add tests for the "negative size argument in make.*" and "size argument too large in make.*" error messages to appear at call sites in case the size is a const defined on another line. As suggested by Matthew in a comment on CL 69910. Change-Id: I5c33d4bec4e3d20bb21fe8019df27999997ddff3 Reviewed-on: https://go-review.googlesource.com/100395 Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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@ -18,6 +18,12 @@ func main() {
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sink = make(T, -1) // ERROR "negative size argument in make.*"
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sink = make(T, uint64(1<<63)) // ERROR "size argument too large in make.*"
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// Test that errors are emitted at call sites, not const declarations
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const x = -1
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sink = make(T, x) // ERROR "negative size argument in make.*"
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const y = uint64(1 << 63)
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sink = make(T, y) // ERROR "size argument too large in make.*"
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sink = make(T, 0.5) // ERROR "constant 0.5 truncated to integer"
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sink = make(T, 1.0)
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sink = make(T, float32(1.0)) // ERROR "non-integer size argument in make.*"
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