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72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
#include "main.h"
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#include <array>
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#include <cstdlib>
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#include "internal.h"
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TEST_CASE("Scrolling") {
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if(getenv("TERM") == nullptr){
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return;
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}
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notcurses_options nopts{};
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nopts.inhibit_alternate_screen = true;
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nopts.suppress_banner = true;
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FILE* outfp_ = fopen("/dev/tty", "wb");
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REQUIRE(outfp_);
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struct notcurses* nc_ = notcurses_init(&nopts, outfp_);
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REQUIRE(nc_);
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struct ncplane* n_ = notcurses_stdplane(nc_);
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REQUIRE(n_);
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// verify that the standard plane has scrolling disabled initially, and that
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// we can enable it at runtime.
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SUBCASE("ScollingDisabledStdplane"){
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CHECK(!ncplane_set_scrolling(n_, true));
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CHECK(ncplane_set_scrolling(n_, false));
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}
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SUBCASE("ScrollingStr"){
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struct ncplane* n = ncplane_new(nc_, 2, 20, 1, 1, nullptr);
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REQUIRE(n);
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// verify that the new plane was started without scrolling
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CHECK(!ncplane_set_scrolling(n, false));
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// try to write 40 EGCs; it ought fail
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CHECK(0 > ncplane_putstr(n, "01234567890123456789012345678901234567689"));
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CHECK(0 == ncplane_cursor_move_yx(n, 0, 0));
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CHECK(!ncplane_set_scrolling(n, true)); // enable scrolling
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// try to write 40 EGCs; it ought succeed
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CHECK(40 == ncplane_putstr(n, "01234567890123456789012345678901234567689"));
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CHECK(0 == notcurses_render(nc_));
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}
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SUBCASE("ScrollingEGC"){
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const char* out = "01234567890123456789012345678901234567689";
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struct ncplane* n = ncplane_new(nc_, 2, 20, 1, 1, nullptr);
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REQUIRE(n);
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// verify that the new plane was started without scrolling
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CHECK(!ncplane_set_scrolling(n, false));
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// try to write 40 EGCs; the last 20 ought fail
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for(const char* c = out ; *c ; ++c){
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int ret = ncplane_putsimple(n, *c);
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if(c - out < 20){
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CHECK(1 == ret);
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}else{
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CHECK(0 > ret);
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}
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}
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CHECK(0 == ncplane_cursor_move_yx(n, 0, 0));
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CHECK(!ncplane_set_scrolling(n, true)); // enable scrolling
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// try to write 40 EGCs; all ought succeed
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for(const char* c = out ; *c ; ++c){
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CHECK(1 == ncplane_putsimple(n, *c));
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}
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CHECK(0 == notcurses_render(nc_));
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}
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// FIXME add one verifying boxes don't exceed the right side
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// FIXME add one where we go past the end of the plane
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CHECK(0 == notcurses_stop(nc_));
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CHECK(0 == fclose(outfp_));
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}
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